Quick view Details Holley Holley Terminator X Max EFI 550-927 for 1999-2006 LS Truck 4.8L 5.3L 6.0L Engines - 24x LS with Multec 2 Injectors, 8-Pin DBW Harness, 4L60/4L80 Trans, 3.5" Screen Included - LM7 LQ4 LQ9 LR4 L33 MSRP: Now: $2,099.95 Add to Cart Compare Quick view Details Holley Holley 558-443 CAN to USB Cable for Terminator X, Dominator, HP and Sniper 1 EFI Systems MSRP: Now: $82.49 Add to Cart Compare Quick view Details Holley Holley Main Power Harness for Dominator, HP and Terminator X EFI 558-308 MSRP: Now: $106.95 Add to Cart Compare Quick view Details Holley Holley 558-483 Terminator X Bluetooth Module MSRP: Now: $229.95 Out of stock Compare Quick view Details Holley Holley 558-465 CAN Splitter Harness for Terminator X, Dominator, HP and Sniper EFI MSRP: Now: $47.13 Add to Cart Compare Quick view Details Holley Holley 558-200 EV1 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines Jetronic MSRP: Now: $204.95 Add to Cart Compare Quick view Details Holley Holley 558-201 EV6 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines USCAR MSRP: Now: $182.95 Add to Cart Compare Quick view Details Holley Holley 558-214 Multec 2 Fuel Injector Harness for 1999-2006 LS Truck & SUV 4.8L 5.3L 6.0L Multec MSRP: Now: $280.95 Add to Cart Compare Quick view Details Holley Holley 558-321 Coil Harness Pair for LS Engines 4.8L 5.3L 6.0L 6.2L 7.0L MSRP: Now: $199.95 Add to Cart Compare Quick view Details Holley Holley 558-416 LS1 Harness to LS3 MAP Sensor Adapter MSRP: Now: $41.99 Add to Cart Compare Quick view Details Holley Holley 558-406 GM LS Drive-By-Wire Harness for 6-Pin Throttle Body and Pedal 2005+ Car 2007+ Truck/SUV 4.8L 5.3L 6.0L 6.2L MSRP: Now: $249.95 Add to Cart Compare Quick view Details Holley Holley J4 Auxiliary Harness for Dominator EFI 558-404 MSRP: Now: $229.95 Add to Cart Compare Quick view Holley Holley Terminator X Max EFI 550-927 for 1999-2006 LS Truck 4.8L 5.3L 6.0L Engines - 24x LS with Multec 2 Injectors, 8-Pin DBW Harness, 4L60/4L80 Trans, 3.5" Screen Included - LM7 LQ4 LQ9 LR4 L33 Holley 550-927 Terminator X Max Engine Management System Commonly used for 1999-2006 Truck/SUV 4.8L 5.3L 6.0L Engines with stock Multec Injectors, Electronic Throttle (8 Pin Pedal and Throttle... MSRP: Now: $2,099.95 Add to Cart Compare Quick view Holley Holley 558-443 CAN to USB Cable for Terminator X, Dominator, HP and Sniper 1 EFI Systems Holley CAN to USB Adapter Cable 558-443 CAN Bus to USB-A Tuning Cable for Holley EFI Systems The Holley 558-443 CAN to USB Adapter Cable allows direct communication between your Holley EFI... MSRP: Now: $82.49 Add to Cart Compare Quick view Holley Holley Main Power Harness for Dominator, HP and Terminator X EFI 558-308 Holley EFI 558-308 Main Power Harness Works with Dominator, HP and Terminator X ECU's This Power Harness is required with HP or Dominator ECUs, and is also the correct replacement for Terminator X... MSRP: Now: $106.95 Add to Cart Compare Quick view Holley Holley 558-483 Terminator X Bluetooth Module Holley Bluetooth Module for Terminator X EFI 558-483 For use within the USA and Canada only Unlock the full potential of your Terminator X EFI system with the Terminator X EFI Bluetooth Module -... MSRP: Now: $229.95 Out of stock Compare Quick view Holley Holley 558-465 CAN Splitter Harness for Terminator X, Dominator, HP and Sniper EFI Holley 558-465 EFI CAN Splitter Harness Compatible with Dominator, HP, Terminator X and Sniper 1 EFI Systems The Holley EFI CAN splitter allows you to add an additional CAN device to your HP,... MSRP: Now: $47.13 Add to Cart Compare Quick view Holley Holley 558-200 EV1 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines Jetronic Holley EV1 Fuel Injector Harness 558-200 For LS, Small Block and Big Block Chevrolet Engines and Chrysler V8 This EV1 (also known as Jetronic) Injector harness is compatible with the main harnesses... MSRP: Now: $204.95 Add to Cart Compare Quick view Holley Holley 558-201 EV6 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines USCAR Holley EV6 Fuel Injector Harness 558-201 For LS, Small Block and Big Block Chevrolet Engines and Chrysler V8 This EV6 (also known as USCAR) Injector harness is compatible with the main harnesses... MSRP: Now: $182.95 Add to Cart Compare Quick view Holley Holley 558-214 Multec 2 Fuel Injector Harness for 1999-2006 LS Truck & SUV 4.8L 5.3L 6.0L Multec Holley Multec 2 Fuel Injector Harness 558-214 For use with Multec 2 Injectors, used on many 1999-2006 GM Truck/SUV 4.8L 5.3L 6.0L Engines This Multec 2 (also known as Delphi or Multec) Injector... MSRP: Now: $280.95 Add to Cart Compare Quick view Holley Holley 558-321 Coil Harness Pair for LS Engines 4.8L 5.3L 6.0L 6.2L 7.0L Holley 558-321 LS Coil Harness Pair Fits all LS Based 4.8L 5.3L 6.0L 6.2L 7.0L Engines Except LS1 and LS6 Are you tired of scouring the junkyard for stock ls coil sub harnesses? Introducing the new... MSRP: Now: $199.95 Add to Cart Compare Quick view Holley Holley 558-416 LS1 Harness to LS3 MAP Sensor Adapter Holley 558-416 MAP Sensor Adapter Harness Adapts LS1/LS2 and Early LS Truck Harness to LS3/LS9/Late LS Truck MAP Sensor Holley EFI LS main harnesses have a MAP sensor connecter designed for use... MSRP: Now: $41.99 Add to Cart Compare Quick view Holley Holley 558-406 GM LS Drive-By-Wire Harness for 6-Pin Throttle Body and Pedal 2005+ Car 2007+ Truck/SUV 4.8L 5.3L 6.0L 6.2L Holley 558-406 GM LS Drive-By-Wire DBW Throttle Harness For use with Dominator and Terminator X Max EFI Systems Fits 6-Pin Throttle Body and 6-Pin Pedal found in 2005-2013 Car and 2007-2013... MSRP: Now: $249.95 Add to Cart Compare Quick view Holley Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley part number 558-404 includes a J4 connector for Dominator ECU, along with 26 generous length wires with ECU terminal pins pre-crimped... MSRP: Now: $229.95 Add to Cart Compare Previous 1 2 3 4 5 Next Previous 1 2 3 4 5 Next Compare Selected × OK
Quick view Details Holley Holley 558-443 CAN to USB Cable for Terminator X, Dominator, HP and Sniper 1 EFI Systems MSRP: Now: $82.49 Add to Cart Compare Quick view Details Holley Holley Main Power Harness for Dominator, HP and Terminator X EFI 558-308 MSRP: Now: $106.95 Add to Cart Compare Quick view Details Holley Holley 558-483 Terminator X Bluetooth Module MSRP: Now: $229.95 Out of stock Compare Quick view Details Holley Holley 558-465 CAN Splitter Harness for Terminator X, Dominator, HP and Sniper EFI MSRP: Now: $47.13 Add to Cart Compare Quick view Details Holley Holley 558-200 EV1 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines Jetronic MSRP: Now: $204.95 Add to Cart Compare Quick view Details Holley Holley 558-201 EV6 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines USCAR MSRP: Now: $182.95 Add to Cart Compare Quick view Details Holley Holley 558-214 Multec 2 Fuel Injector Harness for 1999-2006 LS Truck & SUV 4.8L 5.3L 6.0L Multec MSRP: Now: $280.95 Add to Cart Compare Quick view Details Holley Holley 558-321 Coil Harness Pair for LS Engines 4.8L 5.3L 6.0L 6.2L 7.0L MSRP: Now: $199.95 Add to Cart Compare Quick view Details Holley Holley 558-416 LS1 Harness to LS3 MAP Sensor Adapter MSRP: Now: $41.99 Add to Cart Compare Quick view Details Holley Holley 558-406 GM LS Drive-By-Wire Harness for 6-Pin Throttle Body and Pedal 2005+ Car 2007+ Truck/SUV 4.8L 5.3L 6.0L 6.2L MSRP: Now: $249.95 Add to Cart Compare Quick view Details Holley Holley J4 Auxiliary Harness for Dominator EFI 558-404 MSRP: Now: $229.95 Add to Cart Compare Quick view Holley Holley Terminator X Max EFI 550-927 for 1999-2006 LS Truck 4.8L 5.3L 6.0L Engines - 24x LS with Multec 2 Injectors, 8-Pin DBW Harness, 4L60/4L80 Trans, 3.5" Screen Included - LM7 LQ4 LQ9 LR4 L33 Holley 550-927 Terminator X Max Engine Management System Commonly used for 1999-2006 Truck/SUV 4.8L 5.3L 6.0L Engines with stock Multec Injectors, Electronic Throttle (8 Pin Pedal and Throttle... MSRP: Now: $2,099.95 Add to Cart Compare Quick view Holley Holley 558-443 CAN to USB Cable for Terminator X, Dominator, HP and Sniper 1 EFI Systems Holley CAN to USB Adapter Cable 558-443 CAN Bus to USB-A Tuning Cable for Holley EFI Systems The Holley 558-443 CAN to USB Adapter Cable allows direct communication between your Holley EFI... MSRP: Now: $82.49 Add to Cart Compare Quick view Holley Holley Main Power Harness for Dominator, HP and Terminator X EFI 558-308 Holley EFI 558-308 Main Power Harness Works with Dominator, HP and Terminator X ECU's This Power Harness is required with HP or Dominator ECUs, and is also the correct replacement for Terminator X... MSRP: Now: $106.95 Add to Cart Compare Quick view Holley Holley 558-483 Terminator X Bluetooth Module Holley Bluetooth Module for Terminator X EFI 558-483 For use within the USA and Canada only Unlock the full potential of your Terminator X EFI system with the Terminator X EFI Bluetooth Module -... MSRP: Now: $229.95 Out of stock Compare Quick view Holley Holley 558-465 CAN Splitter Harness for Terminator X, Dominator, HP and Sniper EFI Holley 558-465 EFI CAN Splitter Harness Compatible with Dominator, HP, Terminator X and Sniper 1 EFI Systems The Holley EFI CAN splitter allows you to add an additional CAN device to your HP,... MSRP: Now: $47.13 Add to Cart Compare Quick view Holley Holley 558-200 EV1 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines Jetronic Holley EV1 Fuel Injector Harness 558-200 For LS, Small Block and Big Block Chevrolet Engines and Chrysler V8 This EV1 (also known as Jetronic) Injector harness is compatible with the main harnesses... MSRP: Now: $204.95 Add to Cart Compare Quick view Holley Holley 558-201 EV6 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines USCAR Holley EV6 Fuel Injector Harness 558-201 For LS, Small Block and Big Block Chevrolet Engines and Chrysler V8 This EV6 (also known as USCAR) Injector harness is compatible with the main harnesses... MSRP: Now: $182.95 Add to Cart Compare Quick view Holley Holley 558-214 Multec 2 Fuel Injector Harness for 1999-2006 LS Truck & SUV 4.8L 5.3L 6.0L Multec Holley Multec 2 Fuel Injector Harness 558-214 For use with Multec 2 Injectors, used on many 1999-2006 GM Truck/SUV 4.8L 5.3L 6.0L Engines This Multec 2 (also known as Delphi or Multec) Injector... MSRP: Now: $280.95 Add to Cart Compare Quick view Holley Holley 558-321 Coil Harness Pair for LS Engines 4.8L 5.3L 6.0L 6.2L 7.0L Holley 558-321 LS Coil Harness Pair Fits all LS Based 4.8L 5.3L 6.0L 6.2L 7.0L Engines Except LS1 and LS6 Are you tired of scouring the junkyard for stock ls coil sub harnesses? Introducing the new... MSRP: Now: $199.95 Add to Cart Compare Quick view Holley Holley 558-416 LS1 Harness to LS3 MAP Sensor Adapter Holley 558-416 MAP Sensor Adapter Harness Adapts LS1/LS2 and Early LS Truck Harness to LS3/LS9/Late LS Truck MAP Sensor Holley EFI LS main harnesses have a MAP sensor connecter designed for use... MSRP: Now: $41.99 Add to Cart Compare Quick view Holley Holley 558-406 GM LS Drive-By-Wire Harness for 6-Pin Throttle Body and Pedal 2005+ Car 2007+ Truck/SUV 4.8L 5.3L 6.0L 6.2L Holley 558-406 GM LS Drive-By-Wire DBW Throttle Harness For use with Dominator and Terminator X Max EFI Systems Fits 6-Pin Throttle Body and 6-Pin Pedal found in 2005-2013 Car and 2007-2013... MSRP: Now: $249.95 Add to Cart Compare Quick view Holley Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley part number 558-404 includes a J4 connector for Dominator ECU, along with 26 generous length wires with ECU terminal pins pre-crimped... MSRP: Now: $229.95 Add to Cart Compare Previous 1 2 3 4 5 Next Previous 1 2 3 4 5 Next Compare Selected × OK
Quick view Details Holley Holley Main Power Harness for Dominator, HP and Terminator X EFI 558-308 MSRP: Now: $106.95 Add to Cart Compare Quick view Details Holley Holley 558-483 Terminator X Bluetooth Module MSRP: Now: $229.95 Out of stock Compare Quick view Details Holley Holley 558-465 CAN Splitter Harness for Terminator X, Dominator, HP and Sniper EFI MSRP: Now: $47.13 Add to Cart Compare Quick view Details Holley Holley 558-200 EV1 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines Jetronic MSRP: Now: $204.95 Add to Cart Compare Quick view Details Holley Holley 558-201 EV6 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines USCAR MSRP: Now: $182.95 Add to Cart Compare Quick view Details Holley Holley 558-214 Multec 2 Fuel Injector Harness for 1999-2006 LS Truck & SUV 4.8L 5.3L 6.0L Multec MSRP: Now: $280.95 Add to Cart Compare Quick view Details Holley Holley 558-321 Coil Harness Pair for LS Engines 4.8L 5.3L 6.0L 6.2L 7.0L MSRP: Now: $199.95 Add to Cart Compare Quick view Details Holley Holley 558-416 LS1 Harness to LS3 MAP Sensor Adapter MSRP: Now: $41.99 Add to Cart Compare Quick view Details Holley Holley 558-406 GM LS Drive-By-Wire Harness for 6-Pin Throttle Body and Pedal 2005+ Car 2007+ Truck/SUV 4.8L 5.3L 6.0L 6.2L MSRP: Now: $249.95 Add to Cart Compare Quick view Details Holley Holley J4 Auxiliary Harness for Dominator EFI 558-404 MSRP: Now: $229.95 Add to Cart Compare Quick view Holley Holley Terminator X Max EFI 550-927 for 1999-2006 LS Truck 4.8L 5.3L 6.0L Engines - 24x LS with Multec 2 Injectors, 8-Pin DBW Harness, 4L60/4L80 Trans, 3.5" Screen Included - LM7 LQ4 LQ9 LR4 L33 Holley 550-927 Terminator X Max Engine Management System Commonly used for 1999-2006 Truck/SUV 4.8L 5.3L 6.0L Engines with stock Multec Injectors, Electronic Throttle (8 Pin Pedal and Throttle... MSRP: Now: $2,099.95 Add to Cart Compare Quick view Holley Holley 558-443 CAN to USB Cable for Terminator X, Dominator, HP and Sniper 1 EFI Systems Holley CAN to USB Adapter Cable 558-443 CAN Bus to USB-A Tuning Cable for Holley EFI Systems The Holley 558-443 CAN to USB Adapter Cable allows direct communication between your Holley EFI... MSRP: Now: $82.49 Add to Cart Compare Quick view Holley Holley Main Power Harness for Dominator, HP and Terminator X EFI 558-308 Holley EFI 558-308 Main Power Harness Works with Dominator, HP and Terminator X ECU's This Power Harness is required with HP or Dominator ECUs, and is also the correct replacement for Terminator X... MSRP: Now: $106.95 Add to Cart Compare Quick view Holley Holley 558-483 Terminator X Bluetooth Module Holley Bluetooth Module for Terminator X EFI 558-483 For use within the USA and Canada only Unlock the full potential of your Terminator X EFI system with the Terminator X EFI Bluetooth Module -... MSRP: Now: $229.95 Out of stock Compare Quick view Holley Holley 558-465 CAN Splitter Harness for Terminator X, Dominator, HP and Sniper EFI Holley 558-465 EFI CAN Splitter Harness Compatible with Dominator, HP, Terminator X and Sniper 1 EFI Systems The Holley EFI CAN splitter allows you to add an additional CAN device to your HP,... MSRP: Now: $47.13 Add to Cart Compare Quick view Holley Holley 558-200 EV1 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines Jetronic Holley EV1 Fuel Injector Harness 558-200 For LS, Small Block and Big Block Chevrolet Engines and Chrysler V8 This EV1 (also known as Jetronic) Injector harness is compatible with the main harnesses... MSRP: Now: $204.95 Add to Cart Compare Quick view Holley Holley 558-201 EV6 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines USCAR Holley EV6 Fuel Injector Harness 558-201 For LS, Small Block and Big Block Chevrolet Engines and Chrysler V8 This EV6 (also known as USCAR) Injector harness is compatible with the main harnesses... MSRP: Now: $182.95 Add to Cart Compare Quick view Holley Holley 558-214 Multec 2 Fuel Injector Harness for 1999-2006 LS Truck & SUV 4.8L 5.3L 6.0L Multec Holley Multec 2 Fuel Injector Harness 558-214 For use with Multec 2 Injectors, used on many 1999-2006 GM Truck/SUV 4.8L 5.3L 6.0L Engines This Multec 2 (also known as Delphi or Multec) Injector... MSRP: Now: $280.95 Add to Cart Compare Quick view Holley Holley 558-321 Coil Harness Pair for LS Engines 4.8L 5.3L 6.0L 6.2L 7.0L Holley 558-321 LS Coil Harness Pair Fits all LS Based 4.8L 5.3L 6.0L 6.2L 7.0L Engines Except LS1 and LS6 Are you tired of scouring the junkyard for stock ls coil sub harnesses? Introducing the new... MSRP: Now: $199.95 Add to Cart Compare Quick view Holley Holley 558-416 LS1 Harness to LS3 MAP Sensor Adapter Holley 558-416 MAP Sensor Adapter Harness Adapts LS1/LS2 and Early LS Truck Harness to LS3/LS9/Late LS Truck MAP Sensor Holley EFI LS main harnesses have a MAP sensor connecter designed for use... MSRP: Now: $41.99 Add to Cart Compare Quick view Holley Holley 558-406 GM LS Drive-By-Wire Harness for 6-Pin Throttle Body and Pedal 2005+ Car 2007+ Truck/SUV 4.8L 5.3L 6.0L 6.2L Holley 558-406 GM LS Drive-By-Wire DBW Throttle Harness For use with Dominator and Terminator X Max EFI Systems Fits 6-Pin Throttle Body and 6-Pin Pedal found in 2005-2013 Car and 2007-2013... MSRP: Now: $249.95 Add to Cart Compare Quick view Holley Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley part number 558-404 includes a J4 connector for Dominator ECU, along with 26 generous length wires with ECU terminal pins pre-crimped... MSRP: Now: $229.95 Add to Cart Compare Previous 1 2 3 4 5 Next Previous 1 2 3 4 5 Next Compare Selected × OK
Quick view Details Holley Holley 558-483 Terminator X Bluetooth Module MSRP: Now: $229.95 Out of stock Compare Quick view Details Holley Holley 558-465 CAN Splitter Harness for Terminator X, Dominator, HP and Sniper EFI MSRP: Now: $47.13 Add to Cart Compare Quick view Details Holley Holley 558-200 EV1 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines Jetronic MSRP: Now: $204.95 Add to Cart Compare Quick view Details Holley Holley 558-201 EV6 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines USCAR MSRP: Now: $182.95 Add to Cart Compare Quick view Details Holley Holley 558-214 Multec 2 Fuel Injector Harness for 1999-2006 LS Truck & SUV 4.8L 5.3L 6.0L Multec MSRP: Now: $280.95 Add to Cart Compare Quick view Details Holley Holley 558-321 Coil Harness Pair for LS Engines 4.8L 5.3L 6.0L 6.2L 7.0L MSRP: Now: $199.95 Add to Cart Compare Quick view Details Holley Holley 558-416 LS1 Harness to LS3 MAP Sensor Adapter MSRP: Now: $41.99 Add to Cart Compare Quick view Details Holley Holley 558-406 GM LS Drive-By-Wire Harness for 6-Pin Throttle Body and Pedal 2005+ Car 2007+ Truck/SUV 4.8L 5.3L 6.0L 6.2L MSRP: Now: $249.95 Add to Cart Compare Quick view Details Holley Holley J4 Auxiliary Harness for Dominator EFI 558-404 MSRP: Now: $229.95 Add to Cart Compare Quick view Holley Holley Terminator X Max EFI 550-927 for 1999-2006 LS Truck 4.8L 5.3L 6.0L Engines - 24x LS with Multec 2 Injectors, 8-Pin DBW Harness, 4L60/4L80 Trans, 3.5" Screen Included - LM7 LQ4 LQ9 LR4 L33 Holley 550-927 Terminator X Max Engine Management System Commonly used for 1999-2006 Truck/SUV 4.8L 5.3L 6.0L Engines with stock Multec Injectors, Electronic Throttle (8 Pin Pedal and Throttle... MSRP: Now: $2,099.95 Add to Cart Compare Quick view Holley Holley 558-443 CAN to USB Cable for Terminator X, Dominator, HP and Sniper 1 EFI Systems Holley CAN to USB Adapter Cable 558-443 CAN Bus to USB-A Tuning Cable for Holley EFI Systems The Holley 558-443 CAN to USB Adapter Cable allows direct communication between your Holley EFI... MSRP: Now: $82.49 Add to Cart Compare Quick view Holley Holley Main Power Harness for Dominator, HP and Terminator X EFI 558-308 Holley EFI 558-308 Main Power Harness Works with Dominator, HP and Terminator X ECU's This Power Harness is required with HP or Dominator ECUs, and is also the correct replacement for Terminator X... MSRP: Now: $106.95 Add to Cart Compare Quick view Holley Holley 558-483 Terminator X Bluetooth Module Holley Bluetooth Module for Terminator X EFI 558-483 For use within the USA and Canada only Unlock the full potential of your Terminator X EFI system with the Terminator X EFI Bluetooth Module -... MSRP: Now: $229.95 Out of stock Compare Quick view Holley Holley 558-465 CAN Splitter Harness for Terminator X, Dominator, HP and Sniper EFI Holley 558-465 EFI CAN Splitter Harness Compatible with Dominator, HP, Terminator X and Sniper 1 EFI Systems The Holley EFI CAN splitter allows you to add an additional CAN device to your HP,... MSRP: Now: $47.13 Add to Cart Compare Quick view Holley Holley 558-200 EV1 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines Jetronic Holley EV1 Fuel Injector Harness 558-200 For LS, Small Block and Big Block Chevrolet Engines and Chrysler V8 This EV1 (also known as Jetronic) Injector harness is compatible with the main harnesses... MSRP: Now: $204.95 Add to Cart Compare Quick view Holley Holley 558-201 EV6 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines USCAR Holley EV6 Fuel Injector Harness 558-201 For LS, Small Block and Big Block Chevrolet Engines and Chrysler V8 This EV6 (also known as USCAR) Injector harness is compatible with the main harnesses... MSRP: Now: $182.95 Add to Cart Compare Quick view Holley Holley 558-214 Multec 2 Fuel Injector Harness for 1999-2006 LS Truck & SUV 4.8L 5.3L 6.0L Multec Holley Multec 2 Fuel Injector Harness 558-214 For use with Multec 2 Injectors, used on many 1999-2006 GM Truck/SUV 4.8L 5.3L 6.0L Engines This Multec 2 (also known as Delphi or Multec) Injector... MSRP: Now: $280.95 Add to Cart Compare Quick view Holley Holley 558-321 Coil Harness Pair for LS Engines 4.8L 5.3L 6.0L 6.2L 7.0L Holley 558-321 LS Coil Harness Pair Fits all LS Based 4.8L 5.3L 6.0L 6.2L 7.0L Engines Except LS1 and LS6 Are you tired of scouring the junkyard for stock ls coil sub harnesses? Introducing the new... MSRP: Now: $199.95 Add to Cart Compare Quick view Holley Holley 558-416 LS1 Harness to LS3 MAP Sensor Adapter Holley 558-416 MAP Sensor Adapter Harness Adapts LS1/LS2 and Early LS Truck Harness to LS3/LS9/Late LS Truck MAP Sensor Holley EFI LS main harnesses have a MAP sensor connecter designed for use... MSRP: Now: $41.99 Add to Cart Compare Quick view Holley Holley 558-406 GM LS Drive-By-Wire Harness for 6-Pin Throttle Body and Pedal 2005+ Car 2007+ Truck/SUV 4.8L 5.3L 6.0L 6.2L Holley 558-406 GM LS Drive-By-Wire DBW Throttle Harness For use with Dominator and Terminator X Max EFI Systems Fits 6-Pin Throttle Body and 6-Pin Pedal found in 2005-2013 Car and 2007-2013... MSRP: Now: $249.95 Add to Cart Compare Quick view Holley Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley part number 558-404 includes a J4 connector for Dominator ECU, along with 26 generous length wires with ECU terminal pins pre-crimped... MSRP: Now: $229.95 Add to Cart Compare Previous 1 2 3 4 5 Next Previous 1 2 3 4 5 Next Compare Selected × OK
Quick view Details Holley Holley 558-465 CAN Splitter Harness for Terminator X, Dominator, HP and Sniper EFI MSRP: Now: $47.13 Add to Cart Compare Quick view Details Holley Holley 558-200 EV1 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines Jetronic MSRP: Now: $204.95 Add to Cart Compare Quick view Details Holley Holley 558-201 EV6 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines USCAR MSRP: Now: $182.95 Add to Cart Compare Quick view Details Holley Holley 558-214 Multec 2 Fuel Injector Harness for 1999-2006 LS Truck & SUV 4.8L 5.3L 6.0L Multec MSRP: Now: $280.95 Add to Cart Compare Quick view Details Holley Holley 558-321 Coil Harness Pair for LS Engines 4.8L 5.3L 6.0L 6.2L 7.0L MSRP: Now: $199.95 Add to Cart Compare Quick view Details Holley Holley 558-416 LS1 Harness to LS3 MAP Sensor Adapter MSRP: Now: $41.99 Add to Cart Compare Quick view Details Holley Holley 558-406 GM LS Drive-By-Wire Harness for 6-Pin Throttle Body and Pedal 2005+ Car 2007+ Truck/SUV 4.8L 5.3L 6.0L 6.2L MSRP: Now: $249.95 Add to Cart Compare Quick view Details Holley Holley J4 Auxiliary Harness for Dominator EFI 558-404 MSRP: Now: $229.95 Add to Cart Compare Quick view Holley Holley Terminator X Max EFI 550-927 for 1999-2006 LS Truck 4.8L 5.3L 6.0L Engines - 24x LS with Multec 2 Injectors, 8-Pin DBW Harness, 4L60/4L80 Trans, 3.5" Screen Included - LM7 LQ4 LQ9 LR4 L33 Holley 550-927 Terminator X Max Engine Management System Commonly used for 1999-2006 Truck/SUV 4.8L 5.3L 6.0L Engines with stock Multec Injectors, Electronic Throttle (8 Pin Pedal and Throttle... MSRP: Now: $2,099.95 Add to Cart Compare Quick view Holley Holley 558-443 CAN to USB Cable for Terminator X, Dominator, HP and Sniper 1 EFI Systems Holley CAN to USB Adapter Cable 558-443 CAN Bus to USB-A Tuning Cable for Holley EFI Systems The Holley 558-443 CAN to USB Adapter Cable allows direct communication between your Holley EFI... MSRP: Now: $82.49 Add to Cart Compare Quick view Holley Holley Main Power Harness for Dominator, HP and Terminator X EFI 558-308 Holley EFI 558-308 Main Power Harness Works with Dominator, HP and Terminator X ECU's This Power Harness is required with HP or Dominator ECUs, and is also the correct replacement for Terminator X... MSRP: Now: $106.95 Add to Cart Compare Quick view Holley Holley 558-483 Terminator X Bluetooth Module Holley Bluetooth Module for Terminator X EFI 558-483 For use within the USA and Canada only Unlock the full potential of your Terminator X EFI system with the Terminator X EFI Bluetooth Module -... MSRP: Now: $229.95 Out of stock Compare Quick view Holley Holley 558-465 CAN Splitter Harness for Terminator X, Dominator, HP and Sniper EFI Holley 558-465 EFI CAN Splitter Harness Compatible with Dominator, HP, Terminator X and Sniper 1 EFI Systems The Holley EFI CAN splitter allows you to add an additional CAN device to your HP,... MSRP: Now: $47.13 Add to Cart Compare Quick view Holley Holley 558-200 EV1 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines Jetronic Holley EV1 Fuel Injector Harness 558-200 For LS, Small Block and Big Block Chevrolet Engines and Chrysler V8 This EV1 (also known as Jetronic) Injector harness is compatible with the main harnesses... MSRP: Now: $204.95 Add to Cart Compare Quick view Holley Holley 558-201 EV6 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines USCAR Holley EV6 Fuel Injector Harness 558-201 For LS, Small Block and Big Block Chevrolet Engines and Chrysler V8 This EV6 (also known as USCAR) Injector harness is compatible with the main harnesses... MSRP: Now: $182.95 Add to Cart Compare Quick view Holley Holley 558-214 Multec 2 Fuel Injector Harness for 1999-2006 LS Truck & SUV 4.8L 5.3L 6.0L Multec Holley Multec 2 Fuel Injector Harness 558-214 For use with Multec 2 Injectors, used on many 1999-2006 GM Truck/SUV 4.8L 5.3L 6.0L Engines This Multec 2 (also known as Delphi or Multec) Injector... MSRP: Now: $280.95 Add to Cart Compare Quick view Holley Holley 558-321 Coil Harness Pair for LS Engines 4.8L 5.3L 6.0L 6.2L 7.0L Holley 558-321 LS Coil Harness Pair Fits all LS Based 4.8L 5.3L 6.0L 6.2L 7.0L Engines Except LS1 and LS6 Are you tired of scouring the junkyard for stock ls coil sub harnesses? Introducing the new... MSRP: Now: $199.95 Add to Cart Compare Quick view Holley Holley 558-416 LS1 Harness to LS3 MAP Sensor Adapter Holley 558-416 MAP Sensor Adapter Harness Adapts LS1/LS2 and Early LS Truck Harness to LS3/LS9/Late LS Truck MAP Sensor Holley EFI LS main harnesses have a MAP sensor connecter designed for use... MSRP: Now: $41.99 Add to Cart Compare Quick view Holley Holley 558-406 GM LS Drive-By-Wire Harness for 6-Pin Throttle Body and Pedal 2005+ Car 2007+ Truck/SUV 4.8L 5.3L 6.0L 6.2L Holley 558-406 GM LS Drive-By-Wire DBW Throttle Harness For use with Dominator and Terminator X Max EFI Systems Fits 6-Pin Throttle Body and 6-Pin Pedal found in 2005-2013 Car and 2007-2013... MSRP: Now: $249.95 Add to Cart Compare Quick view Holley Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley part number 558-404 includes a J4 connector for Dominator ECU, along with 26 generous length wires with ECU terminal pins pre-crimped... MSRP: Now: $229.95 Add to Cart Compare Previous 1 2 3 4 5 Next Previous 1 2 3 4 5 Next Compare Selected × OK
Quick view Details Holley Holley 558-200 EV1 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines Jetronic MSRP: Now: $204.95 Add to Cart Compare Quick view Details Holley Holley 558-201 EV6 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines USCAR MSRP: Now: $182.95 Add to Cart Compare Quick view Details Holley Holley 558-214 Multec 2 Fuel Injector Harness for 1999-2006 LS Truck & SUV 4.8L 5.3L 6.0L Multec MSRP: Now: $280.95 Add to Cart Compare Quick view Details Holley Holley 558-321 Coil Harness Pair for LS Engines 4.8L 5.3L 6.0L 6.2L 7.0L MSRP: Now: $199.95 Add to Cart Compare Quick view Details Holley Holley 558-416 LS1 Harness to LS3 MAP Sensor Adapter MSRP: Now: $41.99 Add to Cart Compare Quick view Details Holley Holley 558-406 GM LS Drive-By-Wire Harness for 6-Pin Throttle Body and Pedal 2005+ Car 2007+ Truck/SUV 4.8L 5.3L 6.0L 6.2L MSRP: Now: $249.95 Add to Cart Compare Quick view Details Holley Holley J4 Auxiliary Harness for Dominator EFI 558-404 MSRP: Now: $229.95 Add to Cart Compare Quick view Holley Holley Terminator X Max EFI 550-927 for 1999-2006 LS Truck 4.8L 5.3L 6.0L Engines - 24x LS with Multec 2 Injectors, 8-Pin DBW Harness, 4L60/4L80 Trans, 3.5" Screen Included - LM7 LQ4 LQ9 LR4 L33 Holley 550-927 Terminator X Max Engine Management System Commonly used for 1999-2006 Truck/SUV 4.8L 5.3L 6.0L Engines with stock Multec Injectors, Electronic Throttle (8 Pin Pedal and Throttle... MSRP: Now: $2,099.95 Add to Cart Compare Quick view Holley Holley 558-443 CAN to USB Cable for Terminator X, Dominator, HP and Sniper 1 EFI Systems Holley CAN to USB Adapter Cable 558-443 CAN Bus to USB-A Tuning Cable for Holley EFI Systems The Holley 558-443 CAN to USB Adapter Cable allows direct communication between your Holley EFI... MSRP: Now: $82.49 Add to Cart Compare Quick view Holley Holley Main Power Harness for Dominator, HP and Terminator X EFI 558-308 Holley EFI 558-308 Main Power Harness Works with Dominator, HP and Terminator X ECU's This Power Harness is required with HP or Dominator ECUs, and is also the correct replacement for Terminator X... MSRP: Now: $106.95 Add to Cart Compare Quick view Holley Holley 558-483 Terminator X Bluetooth Module Holley Bluetooth Module for Terminator X EFI 558-483 For use within the USA and Canada only Unlock the full potential of your Terminator X EFI system with the Terminator X EFI Bluetooth Module -... MSRP: Now: $229.95 Out of stock Compare Quick view Holley Holley 558-465 CAN Splitter Harness for Terminator X, Dominator, HP and Sniper EFI Holley 558-465 EFI CAN Splitter Harness Compatible with Dominator, HP, Terminator X and Sniper 1 EFI Systems The Holley EFI CAN splitter allows you to add an additional CAN device to your HP,... MSRP: Now: $47.13 Add to Cart Compare Quick view Holley Holley 558-200 EV1 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines Jetronic Holley EV1 Fuel Injector Harness 558-200 For LS, Small Block and Big Block Chevrolet Engines and Chrysler V8 This EV1 (also known as Jetronic) Injector harness is compatible with the main harnesses... MSRP: Now: $204.95 Add to Cart Compare Quick view Holley Holley 558-201 EV6 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines USCAR Holley EV6 Fuel Injector Harness 558-201 For LS, Small Block and Big Block Chevrolet Engines and Chrysler V8 This EV6 (also known as USCAR) Injector harness is compatible with the main harnesses... MSRP: Now: $182.95 Add to Cart Compare Quick view Holley Holley 558-214 Multec 2 Fuel Injector Harness for 1999-2006 LS Truck & SUV 4.8L 5.3L 6.0L Multec Holley Multec 2 Fuel Injector Harness 558-214 For use with Multec 2 Injectors, used on many 1999-2006 GM Truck/SUV 4.8L 5.3L 6.0L Engines This Multec 2 (also known as Delphi or Multec) Injector... MSRP: Now: $280.95 Add to Cart Compare Quick view Holley Holley 558-321 Coil Harness Pair for LS Engines 4.8L 5.3L 6.0L 6.2L 7.0L Holley 558-321 LS Coil Harness Pair Fits all LS Based 4.8L 5.3L 6.0L 6.2L 7.0L Engines Except LS1 and LS6 Are you tired of scouring the junkyard for stock ls coil sub harnesses? Introducing the new... MSRP: Now: $199.95 Add to Cart Compare Quick view Holley Holley 558-416 LS1 Harness to LS3 MAP Sensor Adapter Holley 558-416 MAP Sensor Adapter Harness Adapts LS1/LS2 and Early LS Truck Harness to LS3/LS9/Late LS Truck MAP Sensor Holley EFI LS main harnesses have a MAP sensor connecter designed for use... MSRP: Now: $41.99 Add to Cart Compare Quick view Holley Holley 558-406 GM LS Drive-By-Wire Harness for 6-Pin Throttle Body and Pedal 2005+ Car 2007+ Truck/SUV 4.8L 5.3L 6.0L 6.2L Holley 558-406 GM LS Drive-By-Wire DBW Throttle Harness For use with Dominator and Terminator X Max EFI Systems Fits 6-Pin Throttle Body and 6-Pin Pedal found in 2005-2013 Car and 2007-2013... MSRP: Now: $249.95 Add to Cart Compare Quick view Holley Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley part number 558-404 includes a J4 connector for Dominator ECU, along with 26 generous length wires with ECU terminal pins pre-crimped... MSRP: Now: $229.95 Add to Cart Compare Previous 1 2 3 4 5 Next Previous 1 2 3 4 5 Next Compare Selected × OK
Quick view Details Holley Holley 558-201 EV6 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines USCAR MSRP: Now: $182.95 Add to Cart Compare Quick view Details Holley Holley 558-214 Multec 2 Fuel Injector Harness for 1999-2006 LS Truck & SUV 4.8L 5.3L 6.0L Multec MSRP: Now: $280.95 Add to Cart Compare Quick view Details Holley Holley 558-321 Coil Harness Pair for LS Engines 4.8L 5.3L 6.0L 6.2L 7.0L MSRP: Now: $199.95 Add to Cart Compare Quick view Details Holley Holley 558-416 LS1 Harness to LS3 MAP Sensor Adapter MSRP: Now: $41.99 Add to Cart Compare Quick view Details Holley Holley 558-406 GM LS Drive-By-Wire Harness for 6-Pin Throttle Body and Pedal 2005+ Car 2007+ Truck/SUV 4.8L 5.3L 6.0L 6.2L MSRP: Now: $249.95 Add to Cart Compare Quick view Details Holley Holley J4 Auxiliary Harness for Dominator EFI 558-404 MSRP: Now: $229.95 Add to Cart Compare Quick view Holley Holley Terminator X Max EFI 550-927 for 1999-2006 LS Truck 4.8L 5.3L 6.0L Engines - 24x LS with Multec 2 Injectors, 8-Pin DBW Harness, 4L60/4L80 Trans, 3.5" Screen Included - LM7 LQ4 LQ9 LR4 L33 Holley 550-927 Terminator X Max Engine Management System Commonly used for 1999-2006 Truck/SUV 4.8L 5.3L 6.0L Engines with stock Multec Injectors, Electronic Throttle (8 Pin Pedal and Throttle... MSRP: Now: $2,099.95 Add to Cart Compare Quick view Holley Holley 558-443 CAN to USB Cable for Terminator X, Dominator, HP and Sniper 1 EFI Systems Holley CAN to USB Adapter Cable 558-443 CAN Bus to USB-A Tuning Cable for Holley EFI Systems The Holley 558-443 CAN to USB Adapter Cable allows direct communication between your Holley EFI... MSRP: Now: $82.49 Add to Cart Compare Quick view Holley Holley Main Power Harness for Dominator, HP and Terminator X EFI 558-308 Holley EFI 558-308 Main Power Harness Works with Dominator, HP and Terminator X ECU's This Power Harness is required with HP or Dominator ECUs, and is also the correct replacement for Terminator X... MSRP: Now: $106.95 Add to Cart Compare Quick view Holley Holley 558-483 Terminator X Bluetooth Module Holley Bluetooth Module for Terminator X EFI 558-483 For use within the USA and Canada only Unlock the full potential of your Terminator X EFI system with the Terminator X EFI Bluetooth Module -... MSRP: Now: $229.95 Out of stock Compare Quick view Holley Holley 558-465 CAN Splitter Harness for Terminator X, Dominator, HP and Sniper EFI Holley 558-465 EFI CAN Splitter Harness Compatible with Dominator, HP, Terminator X and Sniper 1 EFI Systems The Holley EFI CAN splitter allows you to add an additional CAN device to your HP,... MSRP: Now: $47.13 Add to Cart Compare Quick view Holley Holley 558-200 EV1 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines Jetronic Holley EV1 Fuel Injector Harness 558-200 For LS, Small Block and Big Block Chevrolet Engines and Chrysler V8 This EV1 (also known as Jetronic) Injector harness is compatible with the main harnesses... MSRP: Now: $204.95 Add to Cart Compare Quick view Holley Holley 558-201 EV6 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines USCAR Holley EV6 Fuel Injector Harness 558-201 For LS, Small Block and Big Block Chevrolet Engines and Chrysler V8 This EV6 (also known as USCAR) Injector harness is compatible with the main harnesses... MSRP: Now: $182.95 Add to Cart Compare Quick view Holley Holley 558-214 Multec 2 Fuel Injector Harness for 1999-2006 LS Truck & SUV 4.8L 5.3L 6.0L Multec Holley Multec 2 Fuel Injector Harness 558-214 For use with Multec 2 Injectors, used on many 1999-2006 GM Truck/SUV 4.8L 5.3L 6.0L Engines This Multec 2 (also known as Delphi or Multec) Injector... MSRP: Now: $280.95 Add to Cart Compare Quick view Holley Holley 558-321 Coil Harness Pair for LS Engines 4.8L 5.3L 6.0L 6.2L 7.0L Holley 558-321 LS Coil Harness Pair Fits all LS Based 4.8L 5.3L 6.0L 6.2L 7.0L Engines Except LS1 and LS6 Are you tired of scouring the junkyard for stock ls coil sub harnesses? Introducing the new... MSRP: Now: $199.95 Add to Cart Compare Quick view Holley Holley 558-416 LS1 Harness to LS3 MAP Sensor Adapter Holley 558-416 MAP Sensor Adapter Harness Adapts LS1/LS2 and Early LS Truck Harness to LS3/LS9/Late LS Truck MAP Sensor Holley EFI LS main harnesses have a MAP sensor connecter designed for use... MSRP: Now: $41.99 Add to Cart Compare Quick view Holley Holley 558-406 GM LS Drive-By-Wire Harness for 6-Pin Throttle Body and Pedal 2005+ Car 2007+ Truck/SUV 4.8L 5.3L 6.0L 6.2L Holley 558-406 GM LS Drive-By-Wire DBW Throttle Harness For use with Dominator and Terminator X Max EFI Systems Fits 6-Pin Throttle Body and 6-Pin Pedal found in 2005-2013 Car and 2007-2013... MSRP: Now: $249.95 Add to Cart Compare Quick view Holley Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley part number 558-404 includes a J4 connector for Dominator ECU, along with 26 generous length wires with ECU terminal pins pre-crimped... MSRP: Now: $229.95 Add to Cart Compare Previous 1 2 3 4 5 Next Previous 1 2 3 4 5 Next Compare Selected × OK
Quick view Details Holley Holley 558-214 Multec 2 Fuel Injector Harness for 1999-2006 LS Truck & SUV 4.8L 5.3L 6.0L Multec MSRP: Now: $280.95 Add to Cart Compare Quick view Details Holley Holley 558-321 Coil Harness Pair for LS Engines 4.8L 5.3L 6.0L 6.2L 7.0L MSRP: Now: $199.95 Add to Cart Compare Quick view Details Holley Holley 558-416 LS1 Harness to LS3 MAP Sensor Adapter MSRP: Now: $41.99 Add to Cart Compare Quick view Details Holley Holley 558-406 GM LS Drive-By-Wire Harness for 6-Pin Throttle Body and Pedal 2005+ Car 2007+ Truck/SUV 4.8L 5.3L 6.0L 6.2L MSRP: Now: $249.95 Add to Cart Compare Quick view Details Holley Holley J4 Auxiliary Harness for Dominator EFI 558-404 MSRP: Now: $229.95 Add to Cart Compare Quick view Holley Holley Terminator X Max EFI 550-927 for 1999-2006 LS Truck 4.8L 5.3L 6.0L Engines - 24x LS with Multec 2 Injectors, 8-Pin DBW Harness, 4L60/4L80 Trans, 3.5" Screen Included - LM7 LQ4 LQ9 LR4 L33 Holley 550-927 Terminator X Max Engine Management System Commonly used for 1999-2006 Truck/SUV 4.8L 5.3L 6.0L Engines with stock Multec Injectors, Electronic Throttle (8 Pin Pedal and Throttle... MSRP: Now: $2,099.95 Add to Cart Compare Quick view Holley Holley 558-443 CAN to USB Cable for Terminator X, Dominator, HP and Sniper 1 EFI Systems Holley CAN to USB Adapter Cable 558-443 CAN Bus to USB-A Tuning Cable for Holley EFI Systems The Holley 558-443 CAN to USB Adapter Cable allows direct communication between your Holley EFI... MSRP: Now: $82.49 Add to Cart Compare Quick view Holley Holley Main Power Harness for Dominator, HP and Terminator X EFI 558-308 Holley EFI 558-308 Main Power Harness Works with Dominator, HP and Terminator X ECU's This Power Harness is required with HP or Dominator ECUs, and is also the correct replacement for Terminator X... MSRP: Now: $106.95 Add to Cart Compare Quick view Holley Holley 558-483 Terminator X Bluetooth Module Holley Bluetooth Module for Terminator X EFI 558-483 For use within the USA and Canada only Unlock the full potential of your Terminator X EFI system with the Terminator X EFI Bluetooth Module -... MSRP: Now: $229.95 Out of stock Compare Quick view Holley Holley 558-465 CAN Splitter Harness for Terminator X, Dominator, HP and Sniper EFI Holley 558-465 EFI CAN Splitter Harness Compatible with Dominator, HP, Terminator X and Sniper 1 EFI Systems The Holley EFI CAN splitter allows you to add an additional CAN device to your HP,... MSRP: Now: $47.13 Add to Cart Compare Quick view Holley Holley 558-200 EV1 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines Jetronic Holley EV1 Fuel Injector Harness 558-200 For LS, Small Block and Big Block Chevrolet Engines and Chrysler V8 This EV1 (also known as Jetronic) Injector harness is compatible with the main harnesses... MSRP: Now: $204.95 Add to Cart Compare Quick view Holley Holley 558-201 EV6 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines USCAR Holley EV6 Fuel Injector Harness 558-201 For LS, Small Block and Big Block Chevrolet Engines and Chrysler V8 This EV6 (also known as USCAR) Injector harness is compatible with the main harnesses... MSRP: Now: $182.95 Add to Cart Compare Quick view Holley Holley 558-214 Multec 2 Fuel Injector Harness for 1999-2006 LS Truck & SUV 4.8L 5.3L 6.0L Multec Holley Multec 2 Fuel Injector Harness 558-214 For use with Multec 2 Injectors, used on many 1999-2006 GM Truck/SUV 4.8L 5.3L 6.0L Engines This Multec 2 (also known as Delphi or Multec) Injector... MSRP: Now: $280.95 Add to Cart Compare Quick view Holley Holley 558-321 Coil Harness Pair for LS Engines 4.8L 5.3L 6.0L 6.2L 7.0L Holley 558-321 LS Coil Harness Pair Fits all LS Based 4.8L 5.3L 6.0L 6.2L 7.0L Engines Except LS1 and LS6 Are you tired of scouring the junkyard for stock ls coil sub harnesses? Introducing the new... MSRP: Now: $199.95 Add to Cart Compare Quick view Holley Holley 558-416 LS1 Harness to LS3 MAP Sensor Adapter Holley 558-416 MAP Sensor Adapter Harness Adapts LS1/LS2 and Early LS Truck Harness to LS3/LS9/Late LS Truck MAP Sensor Holley EFI LS main harnesses have a MAP sensor connecter designed for use... MSRP: Now: $41.99 Add to Cart Compare Quick view Holley Holley 558-406 GM LS Drive-By-Wire Harness for 6-Pin Throttle Body and Pedal 2005+ Car 2007+ Truck/SUV 4.8L 5.3L 6.0L 6.2L Holley 558-406 GM LS Drive-By-Wire DBW Throttle Harness For use with Dominator and Terminator X Max EFI Systems Fits 6-Pin Throttle Body and 6-Pin Pedal found in 2005-2013 Car and 2007-2013... MSRP: Now: $249.95 Add to Cart Compare Quick view Holley Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley part number 558-404 includes a J4 connector for Dominator ECU, along with 26 generous length wires with ECU terminal pins pre-crimped... MSRP: Now: $229.95 Add to Cart Compare Previous 1 2 3 4 5 Next Previous 1 2 3 4 5 Next Compare Selected × OK
Quick view Details Holley Holley 558-321 Coil Harness Pair for LS Engines 4.8L 5.3L 6.0L 6.2L 7.0L MSRP: Now: $199.95 Add to Cart Compare Quick view Details Holley Holley 558-416 LS1 Harness to LS3 MAP Sensor Adapter MSRP: Now: $41.99 Add to Cart Compare Quick view Details Holley Holley 558-406 GM LS Drive-By-Wire Harness for 6-Pin Throttle Body and Pedal 2005+ Car 2007+ Truck/SUV 4.8L 5.3L 6.0L 6.2L MSRP: Now: $249.95 Add to Cart Compare Quick view Details Holley Holley J4 Auxiliary Harness for Dominator EFI 558-404 MSRP: Now: $229.95 Add to Cart Compare Quick view Holley Holley Terminator X Max EFI 550-927 for 1999-2006 LS Truck 4.8L 5.3L 6.0L Engines - 24x LS with Multec 2 Injectors, 8-Pin DBW Harness, 4L60/4L80 Trans, 3.5" Screen Included - LM7 LQ4 LQ9 LR4 L33 Holley 550-927 Terminator X Max Engine Management System Commonly used for 1999-2006 Truck/SUV 4.8L 5.3L 6.0L Engines with stock Multec Injectors, Electronic Throttle (8 Pin Pedal and Throttle... MSRP: Now: $2,099.95 Add to Cart Compare Quick view Holley Holley 558-443 CAN to USB Cable for Terminator X, Dominator, HP and Sniper 1 EFI Systems Holley CAN to USB Adapter Cable 558-443 CAN Bus to USB-A Tuning Cable for Holley EFI Systems The Holley 558-443 CAN to USB Adapter Cable allows direct communication between your Holley EFI... MSRP: Now: $82.49 Add to Cart Compare Quick view Holley Holley Main Power Harness for Dominator, HP and Terminator X EFI 558-308 Holley EFI 558-308 Main Power Harness Works with Dominator, HP and Terminator X ECU's This Power Harness is required with HP or Dominator ECUs, and is also the correct replacement for Terminator X... MSRP: Now: $106.95 Add to Cart Compare Quick view Holley Holley 558-483 Terminator X Bluetooth Module Holley Bluetooth Module for Terminator X EFI 558-483 For use within the USA and Canada only Unlock the full potential of your Terminator X EFI system with the Terminator X EFI Bluetooth Module -... MSRP: Now: $229.95 Out of stock Compare Quick view Holley Holley 558-465 CAN Splitter Harness for Terminator X, Dominator, HP and Sniper EFI Holley 558-465 EFI CAN Splitter Harness Compatible with Dominator, HP, Terminator X and Sniper 1 EFI Systems The Holley EFI CAN splitter allows you to add an additional CAN device to your HP,... MSRP: Now: $47.13 Add to Cart Compare Quick view Holley Holley 558-200 EV1 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines Jetronic Holley EV1 Fuel Injector Harness 558-200 For LS, Small Block and Big Block Chevrolet Engines and Chrysler V8 This EV1 (also known as Jetronic) Injector harness is compatible with the main harnesses... MSRP: Now: $204.95 Add to Cart Compare Quick view Holley Holley 558-201 EV6 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines USCAR Holley EV6 Fuel Injector Harness 558-201 For LS, Small Block and Big Block Chevrolet Engines and Chrysler V8 This EV6 (also known as USCAR) Injector harness is compatible with the main harnesses... MSRP: Now: $182.95 Add to Cart Compare Quick view Holley Holley 558-214 Multec 2 Fuel Injector Harness for 1999-2006 LS Truck & SUV 4.8L 5.3L 6.0L Multec Holley Multec 2 Fuel Injector Harness 558-214 For use with Multec 2 Injectors, used on many 1999-2006 GM Truck/SUV 4.8L 5.3L 6.0L Engines This Multec 2 (also known as Delphi or Multec) Injector... MSRP: Now: $280.95 Add to Cart Compare Quick view Holley Holley 558-321 Coil Harness Pair for LS Engines 4.8L 5.3L 6.0L 6.2L 7.0L Holley 558-321 LS Coil Harness Pair Fits all LS Based 4.8L 5.3L 6.0L 6.2L 7.0L Engines Except LS1 and LS6 Are you tired of scouring the junkyard for stock ls coil sub harnesses? Introducing the new... MSRP: Now: $199.95 Add to Cart Compare Quick view Holley Holley 558-416 LS1 Harness to LS3 MAP Sensor Adapter Holley 558-416 MAP Sensor Adapter Harness Adapts LS1/LS2 and Early LS Truck Harness to LS3/LS9/Late LS Truck MAP Sensor Holley EFI LS main harnesses have a MAP sensor connecter designed for use... MSRP: Now: $41.99 Add to Cart Compare Quick view Holley Holley 558-406 GM LS Drive-By-Wire Harness for 6-Pin Throttle Body and Pedal 2005+ Car 2007+ Truck/SUV 4.8L 5.3L 6.0L 6.2L Holley 558-406 GM LS Drive-By-Wire DBW Throttle Harness For use with Dominator and Terminator X Max EFI Systems Fits 6-Pin Throttle Body and 6-Pin Pedal found in 2005-2013 Car and 2007-2013... MSRP: Now: $249.95 Add to Cart Compare Quick view Holley Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley part number 558-404 includes a J4 connector for Dominator ECU, along with 26 generous length wires with ECU terminal pins pre-crimped... MSRP: Now: $229.95 Add to Cart Compare Previous 1 2 3 4 5 Next Previous 1 2 3 4 5 Next Compare Selected × OK
Quick view Details Holley Holley 558-416 LS1 Harness to LS3 MAP Sensor Adapter MSRP: Now: $41.99 Add to Cart Compare Quick view Details Holley Holley 558-406 GM LS Drive-By-Wire Harness for 6-Pin Throttle Body and Pedal 2005+ Car 2007+ Truck/SUV 4.8L 5.3L 6.0L 6.2L MSRP: Now: $249.95 Add to Cart Compare Quick view Details Holley Holley J4 Auxiliary Harness for Dominator EFI 558-404 MSRP: Now: $229.95 Add to Cart Compare Quick view Holley Holley Terminator X Max EFI 550-927 for 1999-2006 LS Truck 4.8L 5.3L 6.0L Engines - 24x LS with Multec 2 Injectors, 8-Pin DBW Harness, 4L60/4L80 Trans, 3.5" Screen Included - LM7 LQ4 LQ9 LR4 L33 Holley 550-927 Terminator X Max Engine Management System Commonly used for 1999-2006 Truck/SUV 4.8L 5.3L 6.0L Engines with stock Multec Injectors, Electronic Throttle (8 Pin Pedal and Throttle... MSRP: Now: $2,099.95 Add to Cart Compare Quick view Holley Holley 558-443 CAN to USB Cable for Terminator X, Dominator, HP and Sniper 1 EFI Systems Holley CAN to USB Adapter Cable 558-443 CAN Bus to USB-A Tuning Cable for Holley EFI Systems The Holley 558-443 CAN to USB Adapter Cable allows direct communication between your Holley EFI... MSRP: Now: $82.49 Add to Cart Compare Quick view Holley Holley Main Power Harness for Dominator, HP and Terminator X EFI 558-308 Holley EFI 558-308 Main Power Harness Works with Dominator, HP and Terminator X ECU's This Power Harness is required with HP or Dominator ECUs, and is also the correct replacement for Terminator X... MSRP: Now: $106.95 Add to Cart Compare Quick view Holley Holley 558-483 Terminator X Bluetooth Module Holley Bluetooth Module for Terminator X EFI 558-483 For use within the USA and Canada only Unlock the full potential of your Terminator X EFI system with the Terminator X EFI Bluetooth Module -... MSRP: Now: $229.95 Out of stock Compare Quick view Holley Holley 558-465 CAN Splitter Harness for Terminator X, Dominator, HP and Sniper EFI Holley 558-465 EFI CAN Splitter Harness Compatible with Dominator, HP, Terminator X and Sniper 1 EFI Systems The Holley EFI CAN splitter allows you to add an additional CAN device to your HP,... MSRP: Now: $47.13 Add to Cart Compare Quick view Holley Holley 558-200 EV1 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines Jetronic Holley EV1 Fuel Injector Harness 558-200 For LS, Small Block and Big Block Chevrolet Engines and Chrysler V8 This EV1 (also known as Jetronic) Injector harness is compatible with the main harnesses... MSRP: Now: $204.95 Add to Cart Compare Quick view Holley Holley 558-201 EV6 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines USCAR Holley EV6 Fuel Injector Harness 558-201 For LS, Small Block and Big Block Chevrolet Engines and Chrysler V8 This EV6 (also known as USCAR) Injector harness is compatible with the main harnesses... MSRP: Now: $182.95 Add to Cart Compare Quick view Holley Holley 558-214 Multec 2 Fuel Injector Harness for 1999-2006 LS Truck & SUV 4.8L 5.3L 6.0L Multec Holley Multec 2 Fuel Injector Harness 558-214 For use with Multec 2 Injectors, used on many 1999-2006 GM Truck/SUV 4.8L 5.3L 6.0L Engines This Multec 2 (also known as Delphi or Multec) Injector... MSRP: Now: $280.95 Add to Cart Compare Quick view Holley Holley 558-321 Coil Harness Pair for LS Engines 4.8L 5.3L 6.0L 6.2L 7.0L Holley 558-321 LS Coil Harness Pair Fits all LS Based 4.8L 5.3L 6.0L 6.2L 7.0L Engines Except LS1 and LS6 Are you tired of scouring the junkyard for stock ls coil sub harnesses? Introducing the new... MSRP: Now: $199.95 Add to Cart Compare Quick view Holley Holley 558-416 LS1 Harness to LS3 MAP Sensor Adapter Holley 558-416 MAP Sensor Adapter Harness Adapts LS1/LS2 and Early LS Truck Harness to LS3/LS9/Late LS Truck MAP Sensor Holley EFI LS main harnesses have a MAP sensor connecter designed for use... MSRP: Now: $41.99 Add to Cart Compare Quick view Holley Holley 558-406 GM LS Drive-By-Wire Harness for 6-Pin Throttle Body and Pedal 2005+ Car 2007+ Truck/SUV 4.8L 5.3L 6.0L 6.2L Holley 558-406 GM LS Drive-By-Wire DBW Throttle Harness For use with Dominator and Terminator X Max EFI Systems Fits 6-Pin Throttle Body and 6-Pin Pedal found in 2005-2013 Car and 2007-2013... MSRP: Now: $249.95 Add to Cart Compare Quick view Holley Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley part number 558-404 includes a J4 connector for Dominator ECU, along with 26 generous length wires with ECU terminal pins pre-crimped... MSRP: Now: $229.95 Add to Cart Compare Previous 1 2 3 4 5 Next Previous 1 2 3 4 5 Next Compare Selected × OK
Quick view Details Holley Holley 558-406 GM LS Drive-By-Wire Harness for 6-Pin Throttle Body and Pedal 2005+ Car 2007+ Truck/SUV 4.8L 5.3L 6.0L 6.2L MSRP: Now: $249.95 Add to Cart Compare Quick view Details Holley Holley J4 Auxiliary Harness for Dominator EFI 558-404 MSRP: Now: $229.95 Add to Cart Compare Quick view Holley Holley Terminator X Max EFI 550-927 for 1999-2006 LS Truck 4.8L 5.3L 6.0L Engines - 24x LS with Multec 2 Injectors, 8-Pin DBW Harness, 4L60/4L80 Trans, 3.5" Screen Included - LM7 LQ4 LQ9 LR4 L33 Holley 550-927 Terminator X Max Engine Management System Commonly used for 1999-2006 Truck/SUV 4.8L 5.3L 6.0L Engines with stock Multec Injectors, Electronic Throttle (8 Pin Pedal and Throttle... MSRP: Now: $2,099.95 Add to Cart Compare Quick view Holley Holley 558-443 CAN to USB Cable for Terminator X, Dominator, HP and Sniper 1 EFI Systems Holley CAN to USB Adapter Cable 558-443 CAN Bus to USB-A Tuning Cable for Holley EFI Systems The Holley 558-443 CAN to USB Adapter Cable allows direct communication between your Holley EFI... MSRP: Now: $82.49 Add to Cart Compare Quick view Holley Holley Main Power Harness for Dominator, HP and Terminator X EFI 558-308 Holley EFI 558-308 Main Power Harness Works with Dominator, HP and Terminator X ECU's This Power Harness is required with HP or Dominator ECUs, and is also the correct replacement for Terminator X... MSRP: Now: $106.95 Add to Cart Compare Quick view Holley Holley 558-483 Terminator X Bluetooth Module Holley Bluetooth Module for Terminator X EFI 558-483 For use within the USA and Canada only Unlock the full potential of your Terminator X EFI system with the Terminator X EFI Bluetooth Module -... MSRP: Now: $229.95 Out of stock Compare Quick view Holley Holley 558-465 CAN Splitter Harness for Terminator X, Dominator, HP and Sniper EFI Holley 558-465 EFI CAN Splitter Harness Compatible with Dominator, HP, Terminator X and Sniper 1 EFI Systems The Holley EFI CAN splitter allows you to add an additional CAN device to your HP,... MSRP: Now: $47.13 Add to Cart Compare Quick view Holley Holley 558-200 EV1 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines Jetronic Holley EV1 Fuel Injector Harness 558-200 For LS, Small Block and Big Block Chevrolet Engines and Chrysler V8 This EV1 (also known as Jetronic) Injector harness is compatible with the main harnesses... MSRP: Now: $204.95 Add to Cart Compare Quick view Holley Holley 558-201 EV6 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines USCAR Holley EV6 Fuel Injector Harness 558-201 For LS, Small Block and Big Block Chevrolet Engines and Chrysler V8 This EV6 (also known as USCAR) Injector harness is compatible with the main harnesses... MSRP: Now: $182.95 Add to Cart Compare Quick view Holley Holley 558-214 Multec 2 Fuel Injector Harness for 1999-2006 LS Truck & SUV 4.8L 5.3L 6.0L Multec Holley Multec 2 Fuel Injector Harness 558-214 For use with Multec 2 Injectors, used on many 1999-2006 GM Truck/SUV 4.8L 5.3L 6.0L Engines This Multec 2 (also known as Delphi or Multec) Injector... MSRP: Now: $280.95 Add to Cart Compare Quick view Holley Holley 558-321 Coil Harness Pair for LS Engines 4.8L 5.3L 6.0L 6.2L 7.0L Holley 558-321 LS Coil Harness Pair Fits all LS Based 4.8L 5.3L 6.0L 6.2L 7.0L Engines Except LS1 and LS6 Are you tired of scouring the junkyard for stock ls coil sub harnesses? Introducing the new... MSRP: Now: $199.95 Add to Cart Compare Quick view Holley Holley 558-416 LS1 Harness to LS3 MAP Sensor Adapter Holley 558-416 MAP Sensor Adapter Harness Adapts LS1/LS2 and Early LS Truck Harness to LS3/LS9/Late LS Truck MAP Sensor Holley EFI LS main harnesses have a MAP sensor connecter designed for use... MSRP: Now: $41.99 Add to Cart Compare Quick view Holley Holley 558-406 GM LS Drive-By-Wire Harness for 6-Pin Throttle Body and Pedal 2005+ Car 2007+ Truck/SUV 4.8L 5.3L 6.0L 6.2L Holley 558-406 GM LS Drive-By-Wire DBW Throttle Harness For use with Dominator and Terminator X Max EFI Systems Fits 6-Pin Throttle Body and 6-Pin Pedal found in 2005-2013 Car and 2007-2013... MSRP: Now: $249.95 Add to Cart Compare Quick view Holley Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley part number 558-404 includes a J4 connector for Dominator ECU, along with 26 generous length wires with ECU terminal pins pre-crimped... MSRP: Now: $229.95 Add to Cart Compare Previous 1 2 3 4 5 Next Previous 1 2 3 4 5 Next Compare Selected × OK
Quick view Details Holley Holley J4 Auxiliary Harness for Dominator EFI 558-404 MSRP: Now: $229.95 Add to Cart Compare Quick view Holley Holley Terminator X Max EFI 550-927 for 1999-2006 LS Truck 4.8L 5.3L 6.0L Engines - 24x LS with Multec 2 Injectors, 8-Pin DBW Harness, 4L60/4L80 Trans, 3.5" Screen Included - LM7 LQ4 LQ9 LR4 L33 Holley 550-927 Terminator X Max Engine Management System Commonly used for 1999-2006 Truck/SUV 4.8L 5.3L 6.0L Engines with stock Multec Injectors, Electronic Throttle (8 Pin Pedal and Throttle... MSRP: Now: $2,099.95 Add to Cart Compare Quick view Holley Holley 558-443 CAN to USB Cable for Terminator X, Dominator, HP and Sniper 1 EFI Systems Holley CAN to USB Adapter Cable 558-443 CAN Bus to USB-A Tuning Cable for Holley EFI Systems The Holley 558-443 CAN to USB Adapter Cable allows direct communication between your Holley EFI... MSRP: Now: $82.49 Add to Cart Compare Quick view Holley Holley Main Power Harness for Dominator, HP and Terminator X EFI 558-308 Holley EFI 558-308 Main Power Harness Works with Dominator, HP and Terminator X ECU's This Power Harness is required with HP or Dominator ECUs, and is also the correct replacement for Terminator X... MSRP: Now: $106.95 Add to Cart Compare Quick view Holley Holley 558-483 Terminator X Bluetooth Module Holley Bluetooth Module for Terminator X EFI 558-483 For use within the USA and Canada only Unlock the full potential of your Terminator X EFI system with the Terminator X EFI Bluetooth Module -... MSRP: Now: $229.95 Out of stock Compare Quick view Holley Holley 558-465 CAN Splitter Harness for Terminator X, Dominator, HP and Sniper EFI Holley 558-465 EFI CAN Splitter Harness Compatible with Dominator, HP, Terminator X and Sniper 1 EFI Systems The Holley EFI CAN splitter allows you to add an additional CAN device to your HP,... MSRP: Now: $47.13 Add to Cart Compare Quick view Holley Holley 558-200 EV1 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines Jetronic Holley EV1 Fuel Injector Harness 558-200 For LS, Small Block and Big Block Chevrolet Engines and Chrysler V8 This EV1 (also known as Jetronic) Injector harness is compatible with the main harnesses... MSRP: Now: $204.95 Add to Cart Compare Quick view Holley Holley 558-201 EV6 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines USCAR Holley EV6 Fuel Injector Harness 558-201 For LS, Small Block and Big Block Chevrolet Engines and Chrysler V8 This EV6 (also known as USCAR) Injector harness is compatible with the main harnesses... MSRP: Now: $182.95 Add to Cart Compare Quick view Holley Holley 558-214 Multec 2 Fuel Injector Harness for 1999-2006 LS Truck & SUV 4.8L 5.3L 6.0L Multec Holley Multec 2 Fuel Injector Harness 558-214 For use with Multec 2 Injectors, used on many 1999-2006 GM Truck/SUV 4.8L 5.3L 6.0L Engines This Multec 2 (also known as Delphi or Multec) Injector... MSRP: Now: $280.95 Add to Cart Compare Quick view Holley Holley 558-321 Coil Harness Pair for LS Engines 4.8L 5.3L 6.0L 6.2L 7.0L Holley 558-321 LS Coil Harness Pair Fits all LS Based 4.8L 5.3L 6.0L 6.2L 7.0L Engines Except LS1 and LS6 Are you tired of scouring the junkyard for stock ls coil sub harnesses? Introducing the new... MSRP: Now: $199.95 Add to Cart Compare Quick view Holley Holley 558-416 LS1 Harness to LS3 MAP Sensor Adapter Holley 558-416 MAP Sensor Adapter Harness Adapts LS1/LS2 and Early LS Truck Harness to LS3/LS9/Late LS Truck MAP Sensor Holley EFI LS main harnesses have a MAP sensor connecter designed for use... MSRP: Now: $41.99 Add to Cart Compare Quick view Holley Holley 558-406 GM LS Drive-By-Wire Harness for 6-Pin Throttle Body and Pedal 2005+ Car 2007+ Truck/SUV 4.8L 5.3L 6.0L 6.2L Holley 558-406 GM LS Drive-By-Wire DBW Throttle Harness For use with Dominator and Terminator X Max EFI Systems Fits 6-Pin Throttle Body and 6-Pin Pedal found in 2005-2013 Car and 2007-2013... MSRP: Now: $249.95 Add to Cart Compare Quick view Holley Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley part number 558-404 includes a J4 connector for Dominator ECU, along with 26 generous length wires with ECU terminal pins pre-crimped... MSRP: Now: $229.95 Add to Cart Compare Previous 1 2 3 4 5 Next Previous 1 2 3 4 5 Next Compare Selected × OK
Quick view Holley Holley Terminator X Max EFI 550-927 for 1999-2006 LS Truck 4.8L 5.3L 6.0L Engines - 24x LS with Multec 2 Injectors, 8-Pin DBW Harness, 4L60/4L80 Trans, 3.5" Screen Included - LM7 LQ4 LQ9 LR4 L33 Holley 550-927 Terminator X Max Engine Management System Commonly used for 1999-2006 Truck/SUV 4.8L 5.3L 6.0L Engines with stock Multec Injectors, Electronic Throttle (8 Pin Pedal and Throttle... MSRP: Now: $2,099.95 Add to Cart Compare Quick view Holley Holley 558-443 CAN to USB Cable for Terminator X, Dominator, HP and Sniper 1 EFI Systems Holley CAN to USB Adapter Cable 558-443 CAN Bus to USB-A Tuning Cable for Holley EFI Systems The Holley 558-443 CAN to USB Adapter Cable allows direct communication between your Holley EFI... MSRP: Now: $82.49 Add to Cart Compare Quick view Holley Holley Main Power Harness for Dominator, HP and Terminator X EFI 558-308 Holley EFI 558-308 Main Power Harness Works with Dominator, HP and Terminator X ECU's This Power Harness is required with HP or Dominator ECUs, and is also the correct replacement for Terminator X... MSRP: Now: $106.95 Add to Cart Compare Quick view Holley Holley 558-483 Terminator X Bluetooth Module Holley Bluetooth Module for Terminator X EFI 558-483 For use within the USA and Canada only Unlock the full potential of your Terminator X EFI system with the Terminator X EFI Bluetooth Module -... MSRP: Now: $229.95 Out of stock Compare Quick view Holley Holley 558-465 CAN Splitter Harness for Terminator X, Dominator, HP and Sniper EFI Holley 558-465 EFI CAN Splitter Harness Compatible with Dominator, HP, Terminator X and Sniper 1 EFI Systems The Holley EFI CAN splitter allows you to add an additional CAN device to your HP,... MSRP: Now: $47.13 Add to Cart Compare Quick view Holley Holley 558-200 EV1 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines Jetronic Holley EV1 Fuel Injector Harness 558-200 For LS, Small Block and Big Block Chevrolet Engines and Chrysler V8 This EV1 (also known as Jetronic) Injector harness is compatible with the main harnesses... MSRP: Now: $204.95 Add to Cart Compare Quick view Holley Holley 558-201 EV6 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines USCAR Holley EV6 Fuel Injector Harness 558-201 For LS, Small Block and Big Block Chevrolet Engines and Chrysler V8 This EV6 (also known as USCAR) Injector harness is compatible with the main harnesses... MSRP: Now: $182.95 Add to Cart Compare Quick view Holley Holley 558-214 Multec 2 Fuel Injector Harness for 1999-2006 LS Truck & SUV 4.8L 5.3L 6.0L Multec Holley Multec 2 Fuel Injector Harness 558-214 For use with Multec 2 Injectors, used on many 1999-2006 GM Truck/SUV 4.8L 5.3L 6.0L Engines This Multec 2 (also known as Delphi or Multec) Injector... MSRP: Now: $280.95 Add to Cart Compare Quick view Holley Holley 558-321 Coil Harness Pair for LS Engines 4.8L 5.3L 6.0L 6.2L 7.0L Holley 558-321 LS Coil Harness Pair Fits all LS Based 4.8L 5.3L 6.0L 6.2L 7.0L Engines Except LS1 and LS6 Are you tired of scouring the junkyard for stock ls coil sub harnesses? Introducing the new... MSRP: Now: $199.95 Add to Cart Compare Quick view Holley Holley 558-416 LS1 Harness to LS3 MAP Sensor Adapter Holley 558-416 MAP Sensor Adapter Harness Adapts LS1/LS2 and Early LS Truck Harness to LS3/LS9/Late LS Truck MAP Sensor Holley EFI LS main harnesses have a MAP sensor connecter designed for use... MSRP: Now: $41.99 Add to Cart Compare Quick view Holley Holley 558-406 GM LS Drive-By-Wire Harness for 6-Pin Throttle Body and Pedal 2005+ Car 2007+ Truck/SUV 4.8L 5.3L 6.0L 6.2L Holley 558-406 GM LS Drive-By-Wire DBW Throttle Harness For use with Dominator and Terminator X Max EFI Systems Fits 6-Pin Throttle Body and 6-Pin Pedal found in 2005-2013 Car and 2007-2013... MSRP: Now: $249.95 Add to Cart Compare Quick view Holley Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley part number 558-404 includes a J4 connector for Dominator ECU, along with 26 generous length wires with ECU terminal pins pre-crimped... MSRP: Now: $229.95 Add to Cart Compare Previous 1 2 3 4 5 Next Previous 1 2 3 4 5 Next Compare Selected × OK
Quick view Holley Holley 558-443 CAN to USB Cable for Terminator X, Dominator, HP and Sniper 1 EFI Systems Holley CAN to USB Adapter Cable 558-443 CAN Bus to USB-A Tuning Cable for Holley EFI Systems The Holley 558-443 CAN to USB Adapter Cable allows direct communication between your Holley EFI... MSRP: Now: $82.49 Add to Cart Compare Quick view Holley Holley Main Power Harness for Dominator, HP and Terminator X EFI 558-308 Holley EFI 558-308 Main Power Harness Works with Dominator, HP and Terminator X ECU's This Power Harness is required with HP or Dominator ECUs, and is also the correct replacement for Terminator X... MSRP: Now: $106.95 Add to Cart Compare Quick view Holley Holley 558-483 Terminator X Bluetooth Module Holley Bluetooth Module for Terminator X EFI 558-483 For use within the USA and Canada only Unlock the full potential of your Terminator X EFI system with the Terminator X EFI Bluetooth Module -... MSRP: Now: $229.95 Out of stock Compare Quick view Holley Holley 558-465 CAN Splitter Harness for Terminator X, Dominator, HP and Sniper EFI Holley 558-465 EFI CAN Splitter Harness Compatible with Dominator, HP, Terminator X and Sniper 1 EFI Systems The Holley EFI CAN splitter allows you to add an additional CAN device to your HP,... MSRP: Now: $47.13 Add to Cart Compare Quick view Holley Holley 558-200 EV1 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines Jetronic Holley EV1 Fuel Injector Harness 558-200 For LS, Small Block and Big Block Chevrolet Engines and Chrysler V8 This EV1 (also known as Jetronic) Injector harness is compatible with the main harnesses... MSRP: Now: $204.95 Add to Cart Compare Quick view Holley Holley 558-201 EV6 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines USCAR Holley EV6 Fuel Injector Harness 558-201 For LS, Small Block and Big Block Chevrolet Engines and Chrysler V8 This EV6 (also known as USCAR) Injector harness is compatible with the main harnesses... MSRP: Now: $182.95 Add to Cart Compare Quick view Holley Holley 558-214 Multec 2 Fuel Injector Harness for 1999-2006 LS Truck & SUV 4.8L 5.3L 6.0L Multec Holley Multec 2 Fuel Injector Harness 558-214 For use with Multec 2 Injectors, used on many 1999-2006 GM Truck/SUV 4.8L 5.3L 6.0L Engines This Multec 2 (also known as Delphi or Multec) Injector... MSRP: Now: $280.95 Add to Cart Compare Quick view Holley Holley 558-321 Coil Harness Pair for LS Engines 4.8L 5.3L 6.0L 6.2L 7.0L Holley 558-321 LS Coil Harness Pair Fits all LS Based 4.8L 5.3L 6.0L 6.2L 7.0L Engines Except LS1 and LS6 Are you tired of scouring the junkyard for stock ls coil sub harnesses? Introducing the new... MSRP: Now: $199.95 Add to Cart Compare Quick view Holley Holley 558-416 LS1 Harness to LS3 MAP Sensor Adapter Holley 558-416 MAP Sensor Adapter Harness Adapts LS1/LS2 and Early LS Truck Harness to LS3/LS9/Late LS Truck MAP Sensor Holley EFI LS main harnesses have a MAP sensor connecter designed for use... MSRP: Now: $41.99 Add to Cart Compare Quick view Holley Holley 558-406 GM LS Drive-By-Wire Harness for 6-Pin Throttle Body and Pedal 2005+ Car 2007+ Truck/SUV 4.8L 5.3L 6.0L 6.2L Holley 558-406 GM LS Drive-By-Wire DBW Throttle Harness For use with Dominator and Terminator X Max EFI Systems Fits 6-Pin Throttle Body and 6-Pin Pedal found in 2005-2013 Car and 2007-2013... MSRP: Now: $249.95 Add to Cart Compare Quick view Holley Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley part number 558-404 includes a J4 connector for Dominator ECU, along with 26 generous length wires with ECU terminal pins pre-crimped... MSRP: Now: $229.95 Add to Cart Compare Previous 1 2 3 4 5 Next Previous 1 2 3 4 5 Next Compare Selected × OK
Quick view Holley Holley Main Power Harness for Dominator, HP and Terminator X EFI 558-308 Holley EFI 558-308 Main Power Harness Works with Dominator, HP and Terminator X ECU's This Power Harness is required with HP or Dominator ECUs, and is also the correct replacement for Terminator X... MSRP: Now: $106.95 Add to Cart Compare Quick view Holley Holley 558-483 Terminator X Bluetooth Module Holley Bluetooth Module for Terminator X EFI 558-483 For use within the USA and Canada only Unlock the full potential of your Terminator X EFI system with the Terminator X EFI Bluetooth Module -... MSRP: Now: $229.95 Out of stock Compare Quick view Holley Holley 558-465 CAN Splitter Harness for Terminator X, Dominator, HP and Sniper EFI Holley 558-465 EFI CAN Splitter Harness Compatible with Dominator, HP, Terminator X and Sniper 1 EFI Systems The Holley EFI CAN splitter allows you to add an additional CAN device to your HP,... MSRP: Now: $47.13 Add to Cart Compare Quick view Holley Holley 558-200 EV1 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines Jetronic Holley EV1 Fuel Injector Harness 558-200 For LS, Small Block and Big Block Chevrolet Engines and Chrysler V8 This EV1 (also known as Jetronic) Injector harness is compatible with the main harnesses... MSRP: Now: $204.95 Add to Cart Compare Quick view Holley Holley 558-201 EV6 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines USCAR Holley EV6 Fuel Injector Harness 558-201 For LS, Small Block and Big Block Chevrolet Engines and Chrysler V8 This EV6 (also known as USCAR) Injector harness is compatible with the main harnesses... MSRP: Now: $182.95 Add to Cart Compare Quick view Holley Holley 558-214 Multec 2 Fuel Injector Harness for 1999-2006 LS Truck & SUV 4.8L 5.3L 6.0L Multec Holley Multec 2 Fuel Injector Harness 558-214 For use with Multec 2 Injectors, used on many 1999-2006 GM Truck/SUV 4.8L 5.3L 6.0L Engines This Multec 2 (also known as Delphi or Multec) Injector... MSRP: Now: $280.95 Add to Cart Compare Quick view Holley Holley 558-321 Coil Harness Pair for LS Engines 4.8L 5.3L 6.0L 6.2L 7.0L Holley 558-321 LS Coil Harness Pair Fits all LS Based 4.8L 5.3L 6.0L 6.2L 7.0L Engines Except LS1 and LS6 Are you tired of scouring the junkyard for stock ls coil sub harnesses? Introducing the new... MSRP: Now: $199.95 Add to Cart Compare Quick view Holley Holley 558-416 LS1 Harness to LS3 MAP Sensor Adapter Holley 558-416 MAP Sensor Adapter Harness Adapts LS1/LS2 and Early LS Truck Harness to LS3/LS9/Late LS Truck MAP Sensor Holley EFI LS main harnesses have a MAP sensor connecter designed for use... MSRP: Now: $41.99 Add to Cart Compare Quick view Holley Holley 558-406 GM LS Drive-By-Wire Harness for 6-Pin Throttle Body and Pedal 2005+ Car 2007+ Truck/SUV 4.8L 5.3L 6.0L 6.2L Holley 558-406 GM LS Drive-By-Wire DBW Throttle Harness For use with Dominator and Terminator X Max EFI Systems Fits 6-Pin Throttle Body and 6-Pin Pedal found in 2005-2013 Car and 2007-2013... MSRP: Now: $249.95 Add to Cart Compare Quick view Holley Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley part number 558-404 includes a J4 connector for Dominator ECU, along with 26 generous length wires with ECU terminal pins pre-crimped... MSRP: Now: $229.95 Add to Cart Compare Previous 1 2 3 4 5 Next Previous 1 2 3 4 5 Next Compare Selected × OK
Quick view Holley Holley 558-483 Terminator X Bluetooth Module Holley Bluetooth Module for Terminator X EFI 558-483 For use within the USA and Canada only Unlock the full potential of your Terminator X EFI system with the Terminator X EFI Bluetooth Module -... MSRP: Now: $229.95 Out of stock Compare Quick view Holley Holley 558-465 CAN Splitter Harness for Terminator X, Dominator, HP and Sniper EFI Holley 558-465 EFI CAN Splitter Harness Compatible with Dominator, HP, Terminator X and Sniper 1 EFI Systems The Holley EFI CAN splitter allows you to add an additional CAN device to your HP,... MSRP: Now: $47.13 Add to Cart Compare Quick view Holley Holley 558-200 EV1 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines Jetronic Holley EV1 Fuel Injector Harness 558-200 For LS, Small Block and Big Block Chevrolet Engines and Chrysler V8 This EV1 (also known as Jetronic) Injector harness is compatible with the main harnesses... MSRP: Now: $204.95 Add to Cart Compare Quick view Holley Holley 558-201 EV6 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines USCAR Holley EV6 Fuel Injector Harness 558-201 For LS, Small Block and Big Block Chevrolet Engines and Chrysler V8 This EV6 (also known as USCAR) Injector harness is compatible with the main harnesses... MSRP: Now: $182.95 Add to Cart Compare Quick view Holley Holley 558-214 Multec 2 Fuel Injector Harness for 1999-2006 LS Truck & SUV 4.8L 5.3L 6.0L Multec Holley Multec 2 Fuel Injector Harness 558-214 For use with Multec 2 Injectors, used on many 1999-2006 GM Truck/SUV 4.8L 5.3L 6.0L Engines This Multec 2 (also known as Delphi or Multec) Injector... MSRP: Now: $280.95 Add to Cart Compare Quick view Holley Holley 558-321 Coil Harness Pair for LS Engines 4.8L 5.3L 6.0L 6.2L 7.0L Holley 558-321 LS Coil Harness Pair Fits all LS Based 4.8L 5.3L 6.0L 6.2L 7.0L Engines Except LS1 and LS6 Are you tired of scouring the junkyard for stock ls coil sub harnesses? Introducing the new... MSRP: Now: $199.95 Add to Cart Compare Quick view Holley Holley 558-416 LS1 Harness to LS3 MAP Sensor Adapter Holley 558-416 MAP Sensor Adapter Harness Adapts LS1/LS2 and Early LS Truck Harness to LS3/LS9/Late LS Truck MAP Sensor Holley EFI LS main harnesses have a MAP sensor connecter designed for use... MSRP: Now: $41.99 Add to Cart Compare Quick view Holley Holley 558-406 GM LS Drive-By-Wire Harness for 6-Pin Throttle Body and Pedal 2005+ Car 2007+ Truck/SUV 4.8L 5.3L 6.0L 6.2L Holley 558-406 GM LS Drive-By-Wire DBW Throttle Harness For use with Dominator and Terminator X Max EFI Systems Fits 6-Pin Throttle Body and 6-Pin Pedal found in 2005-2013 Car and 2007-2013... MSRP: Now: $249.95 Add to Cart Compare Quick view Holley Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley part number 558-404 includes a J4 connector for Dominator ECU, along with 26 generous length wires with ECU terminal pins pre-crimped... MSRP: Now: $229.95 Add to Cart Compare Previous 1 2 3 4 5 Next Previous 1 2 3 4 5 Next Compare Selected × OK
Quick view Holley Holley 558-465 CAN Splitter Harness for Terminator X, Dominator, HP and Sniper EFI Holley 558-465 EFI CAN Splitter Harness Compatible with Dominator, HP, Terminator X and Sniper 1 EFI Systems The Holley EFI CAN splitter allows you to add an additional CAN device to your HP,... MSRP: Now: $47.13 Add to Cart Compare Quick view Holley Holley 558-200 EV1 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines Jetronic Holley EV1 Fuel Injector Harness 558-200 For LS, Small Block and Big Block Chevrolet Engines and Chrysler V8 This EV1 (also known as Jetronic) Injector harness is compatible with the main harnesses... MSRP: Now: $204.95 Add to Cart Compare Quick view Holley Holley 558-201 EV6 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines USCAR Holley EV6 Fuel Injector Harness 558-201 For LS, Small Block and Big Block Chevrolet Engines and Chrysler V8 This EV6 (also known as USCAR) Injector harness is compatible with the main harnesses... MSRP: Now: $182.95 Add to Cart Compare Quick view Holley Holley 558-214 Multec 2 Fuel Injector Harness for 1999-2006 LS Truck & SUV 4.8L 5.3L 6.0L Multec Holley Multec 2 Fuel Injector Harness 558-214 For use with Multec 2 Injectors, used on many 1999-2006 GM Truck/SUV 4.8L 5.3L 6.0L Engines This Multec 2 (also known as Delphi or Multec) Injector... MSRP: Now: $280.95 Add to Cart Compare Quick view Holley Holley 558-321 Coil Harness Pair for LS Engines 4.8L 5.3L 6.0L 6.2L 7.0L Holley 558-321 LS Coil Harness Pair Fits all LS Based 4.8L 5.3L 6.0L 6.2L 7.0L Engines Except LS1 and LS6 Are you tired of scouring the junkyard for stock ls coil sub harnesses? Introducing the new... MSRP: Now: $199.95 Add to Cart Compare Quick view Holley Holley 558-416 LS1 Harness to LS3 MAP Sensor Adapter Holley 558-416 MAP Sensor Adapter Harness Adapts LS1/LS2 and Early LS Truck Harness to LS3/LS9/Late LS Truck MAP Sensor Holley EFI LS main harnesses have a MAP sensor connecter designed for use... MSRP: Now: $41.99 Add to Cart Compare Quick view Holley Holley 558-406 GM LS Drive-By-Wire Harness for 6-Pin Throttle Body and Pedal 2005+ Car 2007+ Truck/SUV 4.8L 5.3L 6.0L 6.2L Holley 558-406 GM LS Drive-By-Wire DBW Throttle Harness For use with Dominator and Terminator X Max EFI Systems Fits 6-Pin Throttle Body and 6-Pin Pedal found in 2005-2013 Car and 2007-2013... MSRP: Now: $249.95 Add to Cart Compare Quick view Holley Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley part number 558-404 includes a J4 connector for Dominator ECU, along with 26 generous length wires with ECU terminal pins pre-crimped... MSRP: Now: $229.95 Add to Cart Compare Previous 1 2 3 4 5 Next Previous 1 2 3 4 5 Next Compare Selected × OK
Quick view Holley Holley 558-200 EV1 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines Jetronic Holley EV1 Fuel Injector Harness 558-200 For LS, Small Block and Big Block Chevrolet Engines and Chrysler V8 This EV1 (also known as Jetronic) Injector harness is compatible with the main harnesses... MSRP: Now: $204.95 Add to Cart Compare Quick view Holley Holley 558-201 EV6 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines USCAR Holley EV6 Fuel Injector Harness 558-201 For LS, Small Block and Big Block Chevrolet Engines and Chrysler V8 This EV6 (also known as USCAR) Injector harness is compatible with the main harnesses... MSRP: Now: $182.95 Add to Cart Compare Quick view Holley Holley 558-214 Multec 2 Fuel Injector Harness for 1999-2006 LS Truck & SUV 4.8L 5.3L 6.0L Multec Holley Multec 2 Fuel Injector Harness 558-214 For use with Multec 2 Injectors, used on many 1999-2006 GM Truck/SUV 4.8L 5.3L 6.0L Engines This Multec 2 (also known as Delphi or Multec) Injector... MSRP: Now: $280.95 Add to Cart Compare Quick view Holley Holley 558-321 Coil Harness Pair for LS Engines 4.8L 5.3L 6.0L 6.2L 7.0L Holley 558-321 LS Coil Harness Pair Fits all LS Based 4.8L 5.3L 6.0L 6.2L 7.0L Engines Except LS1 and LS6 Are you tired of scouring the junkyard for stock ls coil sub harnesses? Introducing the new... MSRP: Now: $199.95 Add to Cart Compare Quick view Holley Holley 558-416 LS1 Harness to LS3 MAP Sensor Adapter Holley 558-416 MAP Sensor Adapter Harness Adapts LS1/LS2 and Early LS Truck Harness to LS3/LS9/Late LS Truck MAP Sensor Holley EFI LS main harnesses have a MAP sensor connecter designed for use... MSRP: Now: $41.99 Add to Cart Compare Quick view Holley Holley 558-406 GM LS Drive-By-Wire Harness for 6-Pin Throttle Body and Pedal 2005+ Car 2007+ Truck/SUV 4.8L 5.3L 6.0L 6.2L Holley 558-406 GM LS Drive-By-Wire DBW Throttle Harness For use with Dominator and Terminator X Max EFI Systems Fits 6-Pin Throttle Body and 6-Pin Pedal found in 2005-2013 Car and 2007-2013... MSRP: Now: $249.95 Add to Cart Compare Quick view Holley Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley part number 558-404 includes a J4 connector for Dominator ECU, along with 26 generous length wires with ECU terminal pins pre-crimped... MSRP: Now: $229.95 Add to Cart Compare Previous 1 2 3 4 5 Next Previous 1 2 3 4 5 Next Compare Selected × OK
Quick view Holley Holley 558-201 EV6 Fuel Injector Harness for LS SBC BBC GM & Chrysler V8 Engines USCAR Holley EV6 Fuel Injector Harness 558-201 For LS, Small Block and Big Block Chevrolet Engines and Chrysler V8 This EV6 (also known as USCAR) Injector harness is compatible with the main harnesses... MSRP: Now: $182.95 Add to Cart Compare Quick view Holley Holley 558-214 Multec 2 Fuel Injector Harness for 1999-2006 LS Truck & SUV 4.8L 5.3L 6.0L Multec Holley Multec 2 Fuel Injector Harness 558-214 For use with Multec 2 Injectors, used on many 1999-2006 GM Truck/SUV 4.8L 5.3L 6.0L Engines This Multec 2 (also known as Delphi or Multec) Injector... MSRP: Now: $280.95 Add to Cart Compare Quick view Holley Holley 558-321 Coil Harness Pair for LS Engines 4.8L 5.3L 6.0L 6.2L 7.0L Holley 558-321 LS Coil Harness Pair Fits all LS Based 4.8L 5.3L 6.0L 6.2L 7.0L Engines Except LS1 and LS6 Are you tired of scouring the junkyard for stock ls coil sub harnesses? Introducing the new... MSRP: Now: $199.95 Add to Cart Compare Quick view Holley Holley 558-416 LS1 Harness to LS3 MAP Sensor Adapter Holley 558-416 MAP Sensor Adapter Harness Adapts LS1/LS2 and Early LS Truck Harness to LS3/LS9/Late LS Truck MAP Sensor Holley EFI LS main harnesses have a MAP sensor connecter designed for use... MSRP: Now: $41.99 Add to Cart Compare Quick view Holley Holley 558-406 GM LS Drive-By-Wire Harness for 6-Pin Throttle Body and Pedal 2005+ Car 2007+ Truck/SUV 4.8L 5.3L 6.0L 6.2L Holley 558-406 GM LS Drive-By-Wire DBW Throttle Harness For use with Dominator and Terminator X Max EFI Systems Fits 6-Pin Throttle Body and 6-Pin Pedal found in 2005-2013 Car and 2007-2013... MSRP: Now: $249.95 Add to Cart Compare Quick view Holley Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley part number 558-404 includes a J4 connector for Dominator ECU, along with 26 generous length wires with ECU terminal pins pre-crimped... MSRP: Now: $229.95 Add to Cart Compare Previous 1 2 3 4 5 Next Previous 1 2 3 4 5 Next Compare Selected × OK
Quick view Holley Holley 558-214 Multec 2 Fuel Injector Harness for 1999-2006 LS Truck & SUV 4.8L 5.3L 6.0L Multec Holley Multec 2 Fuel Injector Harness 558-214 For use with Multec 2 Injectors, used on many 1999-2006 GM Truck/SUV 4.8L 5.3L 6.0L Engines This Multec 2 (also known as Delphi or Multec) Injector... MSRP: Now: $280.95 Add to Cart Compare Quick view Holley Holley 558-321 Coil Harness Pair for LS Engines 4.8L 5.3L 6.0L 6.2L 7.0L Holley 558-321 LS Coil Harness Pair Fits all LS Based 4.8L 5.3L 6.0L 6.2L 7.0L Engines Except LS1 and LS6 Are you tired of scouring the junkyard for stock ls coil sub harnesses? Introducing the new... MSRP: Now: $199.95 Add to Cart Compare Quick view Holley Holley 558-416 LS1 Harness to LS3 MAP Sensor Adapter Holley 558-416 MAP Sensor Adapter Harness Adapts LS1/LS2 and Early LS Truck Harness to LS3/LS9/Late LS Truck MAP Sensor Holley EFI LS main harnesses have a MAP sensor connecter designed for use... MSRP: Now: $41.99 Add to Cart Compare Quick view Holley Holley 558-406 GM LS Drive-By-Wire Harness for 6-Pin Throttle Body and Pedal 2005+ Car 2007+ Truck/SUV 4.8L 5.3L 6.0L 6.2L Holley 558-406 GM LS Drive-By-Wire DBW Throttle Harness For use with Dominator and Terminator X Max EFI Systems Fits 6-Pin Throttle Body and 6-Pin Pedal found in 2005-2013 Car and 2007-2013... MSRP: Now: $249.95 Add to Cart Compare Quick view Holley Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley part number 558-404 includes a J4 connector for Dominator ECU, along with 26 generous length wires with ECU terminal pins pre-crimped... MSRP: Now: $229.95 Add to Cart Compare Previous 1 2 3 4 5 Next Previous 1 2 3 4 5 Next Compare Selected × OK
Quick view Holley Holley 558-321 Coil Harness Pair for LS Engines 4.8L 5.3L 6.0L 6.2L 7.0L Holley 558-321 LS Coil Harness Pair Fits all LS Based 4.8L 5.3L 6.0L 6.2L 7.0L Engines Except LS1 and LS6 Are you tired of scouring the junkyard for stock ls coil sub harnesses? Introducing the new... MSRP: Now: $199.95 Add to Cart Compare Quick view Holley Holley 558-416 LS1 Harness to LS3 MAP Sensor Adapter Holley 558-416 MAP Sensor Adapter Harness Adapts LS1/LS2 and Early LS Truck Harness to LS3/LS9/Late LS Truck MAP Sensor Holley EFI LS main harnesses have a MAP sensor connecter designed for use... MSRP: Now: $41.99 Add to Cart Compare Quick view Holley Holley 558-406 GM LS Drive-By-Wire Harness for 6-Pin Throttle Body and Pedal 2005+ Car 2007+ Truck/SUV 4.8L 5.3L 6.0L 6.2L Holley 558-406 GM LS Drive-By-Wire DBW Throttle Harness For use with Dominator and Terminator X Max EFI Systems Fits 6-Pin Throttle Body and 6-Pin Pedal found in 2005-2013 Car and 2007-2013... MSRP: Now: $249.95 Add to Cart Compare Quick view Holley Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley part number 558-404 includes a J4 connector for Dominator ECU, along with 26 generous length wires with ECU terminal pins pre-crimped... MSRP: Now: $229.95 Add to Cart Compare Previous 1 2 3 4 5 Next Previous 1 2 3 4 5 Next Compare Selected × OK
Quick view Holley Holley 558-416 LS1 Harness to LS3 MAP Sensor Adapter Holley 558-416 MAP Sensor Adapter Harness Adapts LS1/LS2 and Early LS Truck Harness to LS3/LS9/Late LS Truck MAP Sensor Holley EFI LS main harnesses have a MAP sensor connecter designed for use... MSRP: Now: $41.99 Add to Cart Compare Quick view Holley Holley 558-406 GM LS Drive-By-Wire Harness for 6-Pin Throttle Body and Pedal 2005+ Car 2007+ Truck/SUV 4.8L 5.3L 6.0L 6.2L Holley 558-406 GM LS Drive-By-Wire DBW Throttle Harness For use with Dominator and Terminator X Max EFI Systems Fits 6-Pin Throttle Body and 6-Pin Pedal found in 2005-2013 Car and 2007-2013... MSRP: Now: $249.95 Add to Cart Compare Quick view Holley Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley part number 558-404 includes a J4 connector for Dominator ECU, along with 26 generous length wires with ECU terminal pins pre-crimped... MSRP: Now: $229.95 Add to Cart Compare Previous 1 2 3 4 5 Next Previous 1 2 3 4 5 Next Compare Selected × OK
Quick view Holley Holley 558-406 GM LS Drive-By-Wire Harness for 6-Pin Throttle Body and Pedal 2005+ Car 2007+ Truck/SUV 4.8L 5.3L 6.0L 6.2L Holley 558-406 GM LS Drive-By-Wire DBW Throttle Harness For use with Dominator and Terminator X Max EFI Systems Fits 6-Pin Throttle Body and 6-Pin Pedal found in 2005-2013 Car and 2007-2013... MSRP: Now: $249.95 Add to Cart Compare Quick view Holley Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley part number 558-404 includes a J4 connector for Dominator ECU, along with 26 generous length wires with ECU terminal pins pre-crimped... MSRP: Now: $229.95 Add to Cart Compare Previous 1 2 3 4 5 Next Previous 1 2 3 4 5 Next Compare Selected
Quick view Holley Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley J4 Auxiliary Harness for Dominator EFI 558-404 Holley part number 558-404 includes a J4 connector for Dominator ECU, along with 26 generous length wires with ECU terminal pins pre-crimped... MSRP: Now: $229.95 Add to Cart Compare Previous 1 2 3 4 5 Next Previous 1 2 3 4 5 Next Compare Selected