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,...

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...

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...

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...

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...

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...

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...

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...

Holley J3 Auxiliary Harness for Dominator EFI 558-403

Holley J3 Auxiliary Harness for Dominator EFI 558-403 Holley part number 558-403 includes a J3 connector for Dominator ECU, along with generous length wires with ECU terminal pins pre-crimped onto...

Holley J2B Auxiliary Output Harness for Dominator EFI 558-402

Holley J2B Auxiliary Harness for Dominator EFI 558-402 Holley part number 558-402 includes a J2B connector for Dominator ECU, along with generous length wires with ECU terminal pins pre-crimped onto...

Holley J2A Auxiliary Input Harness for Dominator EFI 558-401

Holley J2A Auxiliary Harness for Dominator EFI 558-401 Holley part number 558-401 includes a J2A connector for Dominator ECU, along with generous length wires with ECU terminal pins pre-crimped onto...

Holley 558-400 Auxiliary Input/Output Harness for Terminator X, Dominator and HP EFI Systems

Holley 558-400 Auxiliary Input/Output Harness Compatible with Holley Terminator X, HP or Dominator EFI systems This unterminated harness connects to the (8) pin Metri-Pack Input/Output connector...