Quick view Details Michigan Motorsports 1.550" Inconel Exhaust Valves for Cathedral Port LS 243 799 706 862 317 241 853 806 Heads LS1 LS2 LS6 LQ4 LQ9 LC9 LMG LM7 MSRP: Was: Now: $29.99 - $229.99 Choose Options Compare
Quick view Details GM GM Intake and Exhaust Valve Set for 2014+ L83 L84 L82 L8B 5.3L Gen V Engines 12678745 12619825 MSRP: Now: $162.99 Add to Cart Compare Quick view Details GM GM Intake and Exhaust Valve Set for 2014+ L86 L87 LT1 6.2L Gen V Engines 12629513 12678746 MSRP: Now: $459.99 Add to Cart Compare Quick view Details Frankenstein Engine Dynamics Frankenstein M311 273cc Boost Monster 11 Degree LS3 Cylinder Heads with Inconel Exhaust Valves and Upgraded Guides (SET) MSRP: Was: Now: $3,999.00 - $4,144.00 Choose Options Compare Quick view Details Michigan Motorsports Stock Replacement 1.550" LS Exhaust Valves for Cathedral Port 243 799 706 862 317 241 853 806 Heads LS1 LS2 LS6 LQ4 LQ9 LC9 LMG LM7 MSRP: Was: Now: $10.99 - $79.99 Out of stock Compare Quick view Details Michigan Motorsports 1.890" Stainless High Performance Intake Valves for LM7 L59 LR4 LM4 Cathedral Port 706 862 Heads MSRP: Was: Now: $15.99 - $119.99 Out of stock Compare Quick view Details Michigan Motorsports Stock Replacement 2.000" Intake Valves for Cathedral Port 243 799 317 241 853 806 Heads LS1 LS2 LS6 LQ4 LQ9 LC9 LMG 2.00" MSRP: Was: Now: $8.99 - $69.99 Choose Options Compare Quick view Details Michigan Motorsports Stock Replacement 1.890" Intake Valves for LM7 L59 LR4 LM4 Cathedral Port 706 862 Heads MSRP: Was: Now: $8.99 - $64.99 Out of stock Compare Quick view Details Michigan Motorsports 1.550" Stainless High Performance LS Exhaust Valves for Cathedral Port 243 799 706 862 317 241 853 806 Heads LS1 LS2 LS6 LQ4 LQ9 LC9 LMG LM7 MSRP: Was: Now: $15.99 - $109.99 Choose Options Compare Quick view Details Top Street Performance Black Cast Aluminum LS Valve Covers with Coil Mounts - Top Street Performance 4.8L 5.3L 5.7L 6.0L 6.2L LS1 LS3 LQ4 LM7 LC9 L96 MSRP: Now: $188.99 Out of stock Compare Quick view Details Michigan Motorsports Stainless High Performance 1.929" Intake Valves for 2014+ L83 L84 L82 L8B 5.3L Engines MSRP: Was: Now: $15.99 - $119.99 Choose Options Compare Quick view Details Michigan Motorsports Stainless High Performance 1.555" Exhaust Valves for 2014+ L83 L84 L82 L8B 5.3L Engines MSRP: Was: Now: $15.99 - $119.99 Choose Options Compare Quick view Michigan Motorsports 1.550" Inconel Exhaust Valves for Cathedral Port LS 243 799 706 862 317 241 853 806 Heads LS1 LS2 LS6 LQ4 LQ9 LC9 LMG LM7 Michigan Motorsports 1.550" Inconel LS Exhaust Valves Fits 1997-2013 Cathedral Port LS Heads Fits Casting Numbers 243 799 706 862 317 241 853 806 Choose Quantity for a Single Valve or Set of 8 Exhaust Valves Inconel Material for Extreme... MSRP: Was: Now: $29.99 - $229.99 Choose Options Compare Quick view GM GM Intake and Exhaust Valve Set for 2014+ L83 L84 L82 L8B 5.3L Gen V Engines 12678745 12619825 Genuine GM 12678745 12619825 Valve Set Fits 2014-Newer L83 L84 L82 L8B 5.3L Truck/SUV Engines Includes 8 Intake Valves and 8 Exhaust Valves Genuine GM stock replacement Intake and Exhaust Valves for Gen V LT-based 5.3L engines. 1.929" Head... MSRP: Now: $162.99 Add to Cart Compare Quick view GM GM Intake and Exhaust Valve Set for 2014+ L86 L87 LT1 6.2L Gen V Engines 12629513 12678746 Genuine GM 12629513 and 12678746 Valve Set Fits 2014-Newer L86 L87 LT1 6.2L Engines Includes 8 Intake and 8 Exhaust Valves Genuine GM stock replacement Intake and Exhaust Valve set for Gen V LT-based 6.2L engines. 2.126" Head Diameter, Hollow... MSRP: Now: $459.99 Add to Cart Compare Quick view Frankenstein Engine Dynamics Frankenstein M311 273cc Boost Monster 11 Degree LS3 Cylinder Heads with Inconel Exhaust Valves and Upgraded Guides (SET) Frankenstein M311 BOOST Monster 11 Degree LS3 Cylinder Head Pair Fits 4.000" and Larger Bore LS Engines when used with a Rectangle Port (LS3) Style Intake Manifold In Stock Ready to Ship Frankenstein Engine Dynamics' Boost Monster Series... MSRP: Was: Now: $3,999.00 - $4,144.00 Choose Options Compare Quick view Michigan Motorsports Stock Replacement 1.550" LS Exhaust Valves for Cathedral Port 243 799 706 862 317 241 853 806 Heads LS1 LS2 LS6 LQ4 LQ9 LC9 LMG LM7 Michigan Motorsports 1.550" Stock Replacement LS Exhaust Valves Fits 1997-2013 Cathedral Port LS Heads Fits Casting Numbers 243 799 706 862 317 241 853 806 Choose Single or Set of 8 Exhaust Valves Michigan Motorsports' standard replacement valves are... MSRP: Was: Now: $10.99 - $79.99 Out of stock Compare Quick view Michigan Motorsports 1.890" Stainless High Performance Intake Valves for LM7 L59 LR4 LM4 Cathedral Port 706 862 Heads Michigan Motorsports 1.890" Stainless High Performance LS Intake Valves Fits 1999-2006 Cathedral Port Head Casting Numbers 706 862 Fits Engine Codes: LM7 L59 LR4 LM4 Choose Single or Set of 8 Intake Valves Michigan Motorsports' stainless valves... MSRP: Was: Now: $15.99 - $119.99 Out of stock Compare Quick view Michigan Motorsports Stock Replacement 2.000" Intake Valves for Cathedral Port 243 799 317 241 853 806 Heads LS1 LS2 LS6 LQ4 LQ9 LC9 LMG 2.00" Michigan Motorsports 2.000" Stock Replacement LS Intake Valves Fits 1997-2013 Cathedral Port LS Heads EXCEPT 706 and 862 Castings Compatible with Casting Numbers 243 799 317 241 853 806 Choose Single or Set of 8 Intake Valves Michigan Motorsports'... MSRP: Was: Now: $8.99 - $69.99 Choose Options Compare Quick view Michigan Motorsports Stock Replacement 1.890" Intake Valves for LM7 L59 LR4 LM4 Cathedral Port 706 862 Heads Michigan Motorsports 1.890" Stock Replacement LS Intake Valves Fits 1999-2006 Cathedral Port Head Casting Numbers 706 862 Fits Engine Codes: LM7 L59 LR4 LM4 Choose Single or Set of 8 Intake Valves Michigan Motorsports' standard replacement... MSRP: Was: Now: $8.99 - $64.99 Out of stock Compare Quick view Michigan Motorsports 1.550" Stainless High Performance LS Exhaust Valves for Cathedral Port 243 799 706 862 317 241 853 806 Heads LS1 LS2 LS6 LQ4 LQ9 LC9 LMG LM7 Michigan Motorsports 1.550" Stainless High Performance LS Exhaust Valves Fits 1997-2013 Cathedral Port LS Heads Fits Casting Numbers 243 799 706 862 317 241 853 806 Choose Quantity for a Single Valve or Set of 8 Exhaust Valves Michigan Motorsports'... MSRP: Was: Now: $15.99 - $109.99 Choose Options Compare Quick view Top Street Performance Black Cast Aluminum LS Valve Covers with Coil Mounts - Top Street Performance 4.8L 5.3L 5.7L 6.0L 6.2L LS1 LS3 LQ4 LM7 LC9 L96 Top Street Performance Black Cast Aluminum LS Valve Covers with Coil Mounts Fits 1999-2013 LS Based Engines 4.8L 5.3L 5.7L 6.0L 6.2L 7.0L Compatible with D510C and D514A coils ONLY. Typically found on 2007-later engines. Upgrade the look of... MSRP: Now: $188.99 Out of stock Compare Quick view Michigan Motorsports Stainless High Performance 1.929" Intake Valves for 2014+ L83 L84 L82 L8B 5.3L Engines Michigan Motorsports 1.929" Stainless High Performance Intake Valves Fits 2014-Newer 5.3L L83 L84 L82 L8b Choose Single or Set of 8 Intake Valves Michigan Motorsports' stainless valves are a great upgrade for your factory 5.3L LT cylinder heads. Made... MSRP: Was: Now: $15.99 - $119.99 Choose Options Compare Quick view Michigan Motorsports Stainless High Performance 1.555" Exhaust Valves for 2014+ L83 L84 L82 L8B 5.3L Engines Michigan Motorsports 1.555" Stainless High Performance Exhaust Valves Fits 2014-Newer 5.3L L83 L84 L82 L8B Choose Single or Set of 8 Exhaust Valves Michigan Motorsports' stainless valves are a great upgrade for your factory 5.3L LT cylinder heads... MSRP: Was: Now: $15.99 - $119.99 Choose Options Compare Previous 1 2 3 4 5 6 7 Next Previous 1 2 3 4 5 6 7 Next Compare Selected × OK
Quick view Details GM GM Intake and Exhaust Valve Set for 2014+ L86 L87 LT1 6.2L Gen V Engines 12629513 12678746 MSRP: Now: $459.99 Add to Cart Compare Quick view Details Frankenstein Engine Dynamics Frankenstein M311 273cc Boost Monster 11 Degree LS3 Cylinder Heads with Inconel Exhaust Valves and Upgraded Guides (SET) MSRP: Was: Now: $3,999.00 - $4,144.00 Choose Options Compare Quick view Details Michigan Motorsports Stock Replacement 1.550" LS Exhaust Valves for Cathedral Port 243 799 706 862 317 241 853 806 Heads LS1 LS2 LS6 LQ4 LQ9 LC9 LMG LM7 MSRP: Was: Now: $10.99 - $79.99 Out of stock Compare Quick view Details Michigan Motorsports 1.890" Stainless High Performance Intake Valves for LM7 L59 LR4 LM4 Cathedral Port 706 862 Heads MSRP: Was: Now: $15.99 - $119.99 Out of stock Compare Quick view Details Michigan Motorsports Stock Replacement 2.000" Intake Valves for Cathedral Port 243 799 317 241 853 806 Heads LS1 LS2 LS6 LQ4 LQ9 LC9 LMG 2.00" MSRP: Was: Now: $8.99 - $69.99 Choose Options Compare Quick view Details Michigan Motorsports Stock Replacement 1.890" Intake Valves for LM7 L59 LR4 LM4 Cathedral Port 706 862 Heads MSRP: Was: Now: $8.99 - $64.99 Out of stock Compare Quick view Details Michigan Motorsports 1.550" Stainless High Performance LS Exhaust Valves for Cathedral Port 243 799 706 862 317 241 853 806 Heads LS1 LS2 LS6 LQ4 LQ9 LC9 LMG LM7 MSRP: Was: Now: $15.99 - $109.99 Choose Options Compare Quick view Details Top Street Performance Black Cast Aluminum LS Valve Covers with Coil Mounts - Top Street Performance 4.8L 5.3L 5.7L 6.0L 6.2L LS1 LS3 LQ4 LM7 LC9 L96 MSRP: Now: $188.99 Out of stock Compare Quick view Details Michigan Motorsports Stainless High Performance 1.929" Intake Valves for 2014+ L83 L84 L82 L8B 5.3L Engines MSRP: Was: Now: $15.99 - $119.99 Choose Options Compare Quick view Details Michigan Motorsports Stainless High Performance 1.555" Exhaust Valves for 2014+ L83 L84 L82 L8B 5.3L Engines MSRP: Was: Now: $15.99 - $119.99 Choose Options Compare Quick view Michigan Motorsports 1.550" Inconel Exhaust Valves for Cathedral Port LS 243 799 706 862 317 241 853 806 Heads LS1 LS2 LS6 LQ4 LQ9 LC9 LMG LM7 Michigan Motorsports 1.550" Inconel LS Exhaust Valves Fits 1997-2013 Cathedral Port LS Heads Fits Casting Numbers 243 799 706 862 317 241 853 806 Choose Quantity for a Single Valve or Set of 8 Exhaust Valves Inconel Material for Extreme... MSRP: Was: Now: $29.99 - $229.99 Choose Options Compare Quick view GM GM Intake and Exhaust Valve Set for 2014+ L83 L84 L82 L8B 5.3L Gen V Engines 12678745 12619825 Genuine GM 12678745 12619825 Valve Set Fits 2014-Newer L83 L84 L82 L8B 5.3L Truck/SUV Engines Includes 8 Intake Valves and 8 Exhaust Valves Genuine GM stock replacement Intake and Exhaust Valves for Gen V LT-based 5.3L engines. 1.929" Head... MSRP: Now: $162.99 Add to Cart Compare Quick view GM GM Intake and Exhaust Valve Set for 2014+ L86 L87 LT1 6.2L Gen V Engines 12629513 12678746 Genuine GM 12629513 and 12678746 Valve Set Fits 2014-Newer L86 L87 LT1 6.2L Engines Includes 8 Intake and 8 Exhaust Valves Genuine GM stock replacement Intake and Exhaust Valve set for Gen V LT-based 6.2L engines. 2.126" Head Diameter, Hollow... MSRP: Now: $459.99 Add to Cart Compare Quick view Frankenstein Engine Dynamics Frankenstein M311 273cc Boost Monster 11 Degree LS3 Cylinder Heads with Inconel Exhaust Valves and Upgraded Guides (SET) Frankenstein M311 BOOST Monster 11 Degree LS3 Cylinder Head Pair Fits 4.000" and Larger Bore LS Engines when used with a Rectangle Port (LS3) Style Intake Manifold In Stock Ready to Ship Frankenstein Engine Dynamics' Boost Monster Series... MSRP: Was: Now: $3,999.00 - $4,144.00 Choose Options Compare Quick view Michigan Motorsports Stock Replacement 1.550" LS Exhaust Valves for Cathedral Port 243 799 706 862 317 241 853 806 Heads LS1 LS2 LS6 LQ4 LQ9 LC9 LMG LM7 Michigan Motorsports 1.550" Stock Replacement LS Exhaust Valves Fits 1997-2013 Cathedral Port LS Heads Fits Casting Numbers 243 799 706 862 317 241 853 806 Choose Single or Set of 8 Exhaust Valves Michigan Motorsports' standard replacement valves are... MSRP: Was: Now: $10.99 - $79.99 Out of stock Compare Quick view Michigan Motorsports 1.890" Stainless High Performance Intake Valves for LM7 L59 LR4 LM4 Cathedral Port 706 862 Heads Michigan Motorsports 1.890" Stainless High Performance LS Intake Valves Fits 1999-2006 Cathedral Port Head Casting Numbers 706 862 Fits Engine Codes: LM7 L59 LR4 LM4 Choose Single or Set of 8 Intake Valves Michigan Motorsports' stainless valves... MSRP: Was: Now: $15.99 - $119.99 Out of stock Compare Quick view Michigan Motorsports Stock Replacement 2.000" Intake Valves for Cathedral Port 243 799 317 241 853 806 Heads LS1 LS2 LS6 LQ4 LQ9 LC9 LMG 2.00" Michigan Motorsports 2.000" Stock Replacement LS Intake Valves Fits 1997-2013 Cathedral Port LS Heads EXCEPT 706 and 862 Castings Compatible with Casting Numbers 243 799 317 241 853 806 Choose Single or Set of 8 Intake Valves Michigan Motorsports'... MSRP: Was: Now: $8.99 - $69.99 Choose Options Compare Quick view Michigan Motorsports Stock Replacement 1.890" Intake Valves for LM7 L59 LR4 LM4 Cathedral Port 706 862 Heads Michigan Motorsports 1.890" Stock Replacement LS Intake Valves Fits 1999-2006 Cathedral Port Head Casting Numbers 706 862 Fits Engine Codes: LM7 L59 LR4 LM4 Choose Single or Set of 8 Intake Valves Michigan Motorsports' standard replacement... MSRP: Was: Now: $8.99 - $64.99 Out of stock Compare Quick view Michigan Motorsports 1.550" Stainless High Performance LS Exhaust Valves for Cathedral Port 243 799 706 862 317 241 853 806 Heads LS1 LS2 LS6 LQ4 LQ9 LC9 LMG LM7 Michigan Motorsports 1.550" Stainless High Performance LS Exhaust Valves Fits 1997-2013 Cathedral Port LS Heads Fits Casting Numbers 243 799 706 862 317 241 853 806 Choose Quantity for a Single Valve or Set of 8 Exhaust Valves Michigan Motorsports'... MSRP: Was: Now: $15.99 - $109.99 Choose Options Compare Quick view Top Street Performance Black Cast Aluminum LS Valve Covers with Coil Mounts - Top Street Performance 4.8L 5.3L 5.7L 6.0L 6.2L LS1 LS3 LQ4 LM7 LC9 L96 Top Street Performance Black Cast Aluminum LS Valve Covers with Coil Mounts Fits 1999-2013 LS Based Engines 4.8L 5.3L 5.7L 6.0L 6.2L 7.0L Compatible with D510C and D514A coils ONLY. Typically found on 2007-later engines. Upgrade the look of... MSRP: Now: $188.99 Out of stock Compare Quick view Michigan Motorsports Stainless High Performance 1.929" Intake Valves for 2014+ L83 L84 L82 L8B 5.3L Engines Michigan Motorsports 1.929" Stainless High Performance Intake Valves Fits 2014-Newer 5.3L L83 L84 L82 L8b Choose Single or Set of 8 Intake Valves Michigan Motorsports' stainless valves are a great upgrade for your factory 5.3L LT cylinder heads. Made... MSRP: Was: Now: $15.99 - $119.99 Choose Options Compare Quick view Michigan Motorsports Stainless High Performance 1.555" Exhaust Valves for 2014+ L83 L84 L82 L8B 5.3L Engines Michigan Motorsports 1.555" Stainless High Performance Exhaust Valves Fits 2014-Newer 5.3L L83 L84 L82 L8B Choose Single or Set of 8 Exhaust Valves Michigan Motorsports' stainless valves are a great upgrade for your factory 5.3L LT cylinder heads... MSRP: Was: Now: $15.99 - $119.99 Choose Options Compare Previous 1 2 3 4 5 6 7 Next Previous 1 2 3 4 5 6 7 Next Compare Selected × OK
Quick view Details Frankenstein Engine Dynamics Frankenstein M311 273cc Boost Monster 11 Degree LS3 Cylinder Heads with Inconel Exhaust Valves and Upgraded Guides (SET) MSRP: Was: Now: $3,999.00 - $4,144.00 Choose Options Compare
Quick view Details Michigan Motorsports Stock Replacement 1.550" LS Exhaust Valves for Cathedral Port 243 799 706 862 317 241 853 806 Heads LS1 LS2 LS6 LQ4 LQ9 LC9 LMG LM7 MSRP: Was: Now: $10.99 - $79.99 Out of stock Compare
Quick view Details Michigan Motorsports 1.890" Stainless High Performance Intake Valves for LM7 L59 LR4 LM4 Cathedral Port 706 862 Heads MSRP: Was: Now: $15.99 - $119.99 Out of stock Compare
Quick view Details Michigan Motorsports Stock Replacement 2.000" Intake Valves for Cathedral Port 243 799 317 241 853 806 Heads LS1 LS2 LS6 LQ4 LQ9 LC9 LMG 2.00" MSRP: Was: Now: $8.99 - $69.99 Choose Options Compare
Quick view Details Michigan Motorsports Stock Replacement 1.890" Intake Valves for LM7 L59 LR4 LM4 Cathedral Port 706 862 Heads MSRP: Was: Now: $8.99 - $64.99 Out of stock Compare
Quick view Details Michigan Motorsports 1.550" Stainless High Performance LS Exhaust Valves for Cathedral Port 243 799 706 862 317 241 853 806 Heads LS1 LS2 LS6 LQ4 LQ9 LC9 LMG LM7 MSRP: Was: Now: $15.99 - $109.99 Choose Options Compare
Quick view Details Top Street Performance Black Cast Aluminum LS Valve Covers with Coil Mounts - Top Street Performance 4.8L 5.3L 5.7L 6.0L 6.2L LS1 LS3 LQ4 LM7 LC9 L96 MSRP: Now: $188.99 Out of stock Compare Quick view Details Michigan Motorsports Stainless High Performance 1.929" Intake Valves for 2014+ L83 L84 L82 L8B 5.3L Engines MSRP: Was: Now: $15.99 - $119.99 Choose Options Compare Quick view Details Michigan Motorsports Stainless High Performance 1.555" Exhaust Valves for 2014+ L83 L84 L82 L8B 5.3L Engines MSRP: Was: Now: $15.99 - $119.99 Choose Options Compare Quick view Michigan Motorsports 1.550" Inconel Exhaust Valves for Cathedral Port LS 243 799 706 862 317 241 853 806 Heads LS1 LS2 LS6 LQ4 LQ9 LC9 LMG LM7 Michigan Motorsports 1.550" Inconel LS Exhaust Valves Fits 1997-2013 Cathedral Port LS Heads Fits Casting Numbers 243 799 706 862 317 241 853 806 Choose Quantity for a Single Valve or Set of 8 Exhaust Valves Inconel Material for Extreme... MSRP: Was: Now: $29.99 - $229.99 Choose Options Compare Quick view GM GM Intake and Exhaust Valve Set for 2014+ L83 L84 L82 L8B 5.3L Gen V Engines 12678745 12619825 Genuine GM 12678745 12619825 Valve Set Fits 2014-Newer L83 L84 L82 L8B 5.3L Truck/SUV Engines Includes 8 Intake Valves and 8 Exhaust Valves Genuine GM stock replacement Intake and Exhaust Valves for Gen V LT-based 5.3L engines. 1.929" Head... MSRP: Now: $162.99 Add to Cart Compare Quick view GM GM Intake and Exhaust Valve Set for 2014+ L86 L87 LT1 6.2L Gen V Engines 12629513 12678746 Genuine GM 12629513 and 12678746 Valve Set Fits 2014-Newer L86 L87 LT1 6.2L Engines Includes 8 Intake and 8 Exhaust Valves Genuine GM stock replacement Intake and Exhaust Valve set for Gen V LT-based 6.2L engines. 2.126" Head Diameter, Hollow... MSRP: Now: $459.99 Add to Cart Compare Quick view Frankenstein Engine Dynamics Frankenstein M311 273cc Boost Monster 11 Degree LS3 Cylinder Heads with Inconel Exhaust Valves and Upgraded Guides (SET) Frankenstein M311 BOOST Monster 11 Degree LS3 Cylinder Head Pair Fits 4.000" and Larger Bore LS Engines when used with a Rectangle Port (LS3) Style Intake Manifold In Stock Ready to Ship Frankenstein Engine Dynamics' Boost Monster Series... MSRP: Was: Now: $3,999.00 - $4,144.00 Choose Options Compare Quick view Michigan Motorsports Stock Replacement 1.550" LS Exhaust Valves for Cathedral Port 243 799 706 862 317 241 853 806 Heads LS1 LS2 LS6 LQ4 LQ9 LC9 LMG LM7 Michigan Motorsports 1.550" Stock Replacement LS Exhaust Valves Fits 1997-2013 Cathedral Port LS Heads Fits Casting Numbers 243 799 706 862 317 241 853 806 Choose Single or Set of 8 Exhaust Valves Michigan Motorsports' standard replacement valves are... MSRP: Was: Now: $10.99 - $79.99 Out of stock Compare Quick view Michigan Motorsports 1.890" Stainless High Performance Intake Valves for LM7 L59 LR4 LM4 Cathedral Port 706 862 Heads Michigan Motorsports 1.890" Stainless High Performance LS Intake Valves Fits 1999-2006 Cathedral Port Head Casting Numbers 706 862 Fits Engine Codes: LM7 L59 LR4 LM4 Choose Single or Set of 8 Intake Valves Michigan Motorsports' stainless valves... MSRP: Was: Now: $15.99 - $119.99 Out of stock Compare Quick view Michigan Motorsports Stock Replacement 2.000" Intake Valves for Cathedral Port 243 799 317 241 853 806 Heads LS1 LS2 LS6 LQ4 LQ9 LC9 LMG 2.00" Michigan Motorsports 2.000" Stock Replacement LS Intake Valves Fits 1997-2013 Cathedral Port LS Heads EXCEPT 706 and 862 Castings Compatible with Casting Numbers 243 799 317 241 853 806 Choose Single or Set of 8 Intake Valves Michigan Motorsports'... MSRP: Was: Now: $8.99 - $69.99 Choose Options Compare Quick view Michigan Motorsports Stock Replacement 1.890" Intake Valves for LM7 L59 LR4 LM4 Cathedral Port 706 862 Heads Michigan Motorsports 1.890" Stock Replacement LS Intake Valves Fits 1999-2006 Cathedral Port Head Casting Numbers 706 862 Fits Engine Codes: LM7 L59 LR4 LM4 Choose Single or Set of 8 Intake Valves Michigan Motorsports' standard replacement... MSRP: Was: Now: $8.99 - $64.99 Out of stock Compare Quick view Michigan Motorsports 1.550" Stainless High Performance LS Exhaust Valves for Cathedral Port 243 799 706 862 317 241 853 806 Heads LS1 LS2 LS6 LQ4 LQ9 LC9 LMG LM7 Michigan Motorsports 1.550" Stainless High Performance LS Exhaust Valves Fits 1997-2013 Cathedral Port LS Heads Fits Casting Numbers 243 799 706 862 317 241 853 806 Choose Quantity for a Single Valve or Set of 8 Exhaust Valves Michigan Motorsports'... MSRP: Was: Now: $15.99 - $109.99 Choose Options Compare Quick view Top Street Performance Black Cast Aluminum LS Valve Covers with Coil Mounts - Top Street Performance 4.8L 5.3L 5.7L 6.0L 6.2L LS1 LS3 LQ4 LM7 LC9 L96 Top Street Performance Black Cast Aluminum LS Valve Covers with Coil Mounts Fits 1999-2013 LS Based Engines 4.8L 5.3L 5.7L 6.0L 6.2L 7.0L Compatible with D510C and D514A coils ONLY. Typically found on 2007-later engines. Upgrade the look of... MSRP: Now: $188.99 Out of stock Compare Quick view Michigan Motorsports Stainless High Performance 1.929" Intake Valves for 2014+ L83 L84 L82 L8B 5.3L Engines Michigan Motorsports 1.929" Stainless High Performance Intake Valves Fits 2014-Newer 5.3L L83 L84 L82 L8b Choose Single or Set of 8 Intake Valves Michigan Motorsports' stainless valves are a great upgrade for your factory 5.3L LT cylinder heads. Made... MSRP: Was: Now: $15.99 - $119.99 Choose Options Compare Quick view Michigan Motorsports Stainless High Performance 1.555" Exhaust Valves for 2014+ L83 L84 L82 L8B 5.3L Engines Michigan Motorsports 1.555" Stainless High Performance Exhaust Valves Fits 2014-Newer 5.3L L83 L84 L82 L8B Choose Single or Set of 8 Exhaust Valves Michigan Motorsports' stainless valves are a great upgrade for your factory 5.3L LT cylinder heads... MSRP: Was: Now: $15.99 - $119.99 Choose Options Compare Previous 1 2 3 4 5 6 7 Next Previous 1 2 3 4 5 6 7 Next Compare Selected × OK
Quick view Details Michigan Motorsports Stainless High Performance 1.929" Intake Valves for 2014+ L83 L84 L82 L8B 5.3L Engines MSRP: Was: Now: $15.99 - $119.99 Choose Options Compare
Quick view Details Michigan Motorsports Stainless High Performance 1.555" Exhaust Valves for 2014+ L83 L84 L82 L8B 5.3L Engines MSRP: Was: Now: $15.99 - $119.99 Choose Options Compare
Quick view Michigan Motorsports 1.550" Inconel Exhaust Valves for Cathedral Port LS 243 799 706 862 317 241 853 806 Heads LS1 LS2 LS6 LQ4 LQ9 LC9 LMG LM7 Michigan Motorsports 1.550" Inconel LS Exhaust Valves Fits 1997-2013 Cathedral Port LS Heads Fits Casting Numbers 243 799 706 862 317 241 853 806 Choose Quantity for a Single Valve or Set of 8 Exhaust Valves Inconel Material for Extreme... MSRP: Was: Now: $29.99 - $229.99 Choose Options Compare
Quick view GM GM Intake and Exhaust Valve Set for 2014+ L83 L84 L82 L8B 5.3L Gen V Engines 12678745 12619825 Genuine GM 12678745 12619825 Valve Set Fits 2014-Newer L83 L84 L82 L8B 5.3L Truck/SUV Engines Includes 8 Intake Valves and 8 Exhaust Valves Genuine GM stock replacement Intake and Exhaust Valves for Gen V LT-based 5.3L engines. 1.929" Head... MSRP: Now: $162.99 Add to Cart Compare Quick view GM GM Intake and Exhaust Valve Set for 2014+ L86 L87 LT1 6.2L Gen V Engines 12629513 12678746 Genuine GM 12629513 and 12678746 Valve Set Fits 2014-Newer L86 L87 LT1 6.2L Engines Includes 8 Intake and 8 Exhaust Valves Genuine GM stock replacement Intake and Exhaust Valve set for Gen V LT-based 6.2L engines. 2.126" Head Diameter, Hollow... MSRP: Now: $459.99 Add to Cart Compare Quick view Frankenstein Engine Dynamics Frankenstein M311 273cc Boost Monster 11 Degree LS3 Cylinder Heads with Inconel Exhaust Valves and Upgraded Guides (SET) Frankenstein M311 BOOST Monster 11 Degree LS3 Cylinder Head Pair Fits 4.000" and Larger Bore LS Engines when used with a Rectangle Port (LS3) Style Intake Manifold In Stock Ready to Ship Frankenstein Engine Dynamics' Boost Monster Series... MSRP: Was: Now: $3,999.00 - $4,144.00 Choose Options Compare Quick view Michigan Motorsports Stock Replacement 1.550" LS Exhaust Valves for Cathedral Port 243 799 706 862 317 241 853 806 Heads LS1 LS2 LS6 LQ4 LQ9 LC9 LMG LM7 Michigan Motorsports 1.550" Stock Replacement LS Exhaust Valves Fits 1997-2013 Cathedral Port LS Heads Fits Casting Numbers 243 799 706 862 317 241 853 806 Choose Single or Set of 8 Exhaust Valves Michigan Motorsports' standard replacement valves are... MSRP: Was: Now: $10.99 - $79.99 Out of stock Compare Quick view Michigan Motorsports 1.890" Stainless High Performance Intake Valves for LM7 L59 LR4 LM4 Cathedral Port 706 862 Heads Michigan Motorsports 1.890" Stainless High Performance LS Intake Valves Fits 1999-2006 Cathedral Port Head Casting Numbers 706 862 Fits Engine Codes: LM7 L59 LR4 LM4 Choose Single or Set of 8 Intake Valves Michigan Motorsports' stainless valves... MSRP: Was: Now: $15.99 - $119.99 Out of stock Compare Quick view Michigan Motorsports Stock Replacement 2.000" Intake Valves for Cathedral Port 243 799 317 241 853 806 Heads LS1 LS2 LS6 LQ4 LQ9 LC9 LMG 2.00" Michigan Motorsports 2.000" Stock Replacement LS Intake Valves Fits 1997-2013 Cathedral Port LS Heads EXCEPT 706 and 862 Castings Compatible with Casting Numbers 243 799 317 241 853 806 Choose Single or Set of 8 Intake Valves Michigan Motorsports'... MSRP: Was: Now: $8.99 - $69.99 Choose Options Compare Quick view Michigan Motorsports Stock Replacement 1.890" Intake Valves for LM7 L59 LR4 LM4 Cathedral Port 706 862 Heads Michigan Motorsports 1.890" Stock Replacement LS Intake Valves Fits 1999-2006 Cathedral Port Head Casting Numbers 706 862 Fits Engine Codes: LM7 L59 LR4 LM4 Choose Single or Set of 8 Intake Valves Michigan Motorsports' standard replacement... MSRP: Was: Now: $8.99 - $64.99 Out of stock Compare Quick view Michigan Motorsports 1.550" Stainless High Performance LS Exhaust Valves for Cathedral Port 243 799 706 862 317 241 853 806 Heads LS1 LS2 LS6 LQ4 LQ9 LC9 LMG LM7 Michigan Motorsports 1.550" Stainless High Performance LS Exhaust Valves Fits 1997-2013 Cathedral Port LS Heads Fits Casting Numbers 243 799 706 862 317 241 853 806 Choose Quantity for a Single Valve or Set of 8 Exhaust Valves Michigan Motorsports'... MSRP: Was: Now: $15.99 - $109.99 Choose Options Compare Quick view Top Street Performance Black Cast Aluminum LS Valve Covers with Coil Mounts - Top Street Performance 4.8L 5.3L 5.7L 6.0L 6.2L LS1 LS3 LQ4 LM7 LC9 L96 Top Street Performance Black Cast Aluminum LS Valve Covers with Coil Mounts Fits 1999-2013 LS Based Engines 4.8L 5.3L 5.7L 6.0L 6.2L 7.0L Compatible with D510C and D514A coils ONLY. Typically found on 2007-later engines. Upgrade the look of... MSRP: Now: $188.99 Out of stock Compare Quick view Michigan Motorsports Stainless High Performance 1.929" Intake Valves for 2014+ L83 L84 L82 L8B 5.3L Engines Michigan Motorsports 1.929" Stainless High Performance Intake Valves Fits 2014-Newer 5.3L L83 L84 L82 L8b Choose Single or Set of 8 Intake Valves Michigan Motorsports' stainless valves are a great upgrade for your factory 5.3L LT cylinder heads. Made... MSRP: Was: Now: $15.99 - $119.99 Choose Options Compare Quick view Michigan Motorsports Stainless High Performance 1.555" Exhaust Valves for 2014+ L83 L84 L82 L8B 5.3L Engines Michigan Motorsports 1.555" Stainless High Performance Exhaust Valves Fits 2014-Newer 5.3L L83 L84 L82 L8B Choose Single or Set of 8 Exhaust Valves Michigan Motorsports' stainless valves are a great upgrade for your factory 5.3L LT cylinder heads... MSRP: Was: Now: $15.99 - $119.99 Choose Options Compare Previous 1 2 3 4 5 6 7 Next Previous 1 2 3 4 5 6 7 Next Compare Selected × OK
Quick view GM GM Intake and Exhaust Valve Set for 2014+ L86 L87 LT1 6.2L Gen V Engines 12629513 12678746 Genuine GM 12629513 and 12678746 Valve Set Fits 2014-Newer L86 L87 LT1 6.2L Engines Includes 8 Intake and 8 Exhaust Valves Genuine GM stock replacement Intake and Exhaust Valve set for Gen V LT-based 6.2L engines. 2.126" Head Diameter, Hollow... MSRP: Now: $459.99 Add to Cart Compare Quick view Frankenstein Engine Dynamics Frankenstein M311 273cc Boost Monster 11 Degree LS3 Cylinder Heads with Inconel Exhaust Valves and Upgraded Guides (SET) Frankenstein M311 BOOST Monster 11 Degree LS3 Cylinder Head Pair Fits 4.000" and Larger Bore LS Engines when used with a Rectangle Port (LS3) Style Intake Manifold In Stock Ready to Ship Frankenstein Engine Dynamics' Boost Monster Series... MSRP: Was: Now: $3,999.00 - $4,144.00 Choose Options Compare Quick view Michigan Motorsports Stock Replacement 1.550" LS Exhaust Valves for Cathedral Port 243 799 706 862 317 241 853 806 Heads LS1 LS2 LS6 LQ4 LQ9 LC9 LMG LM7 Michigan Motorsports 1.550" Stock Replacement LS Exhaust Valves Fits 1997-2013 Cathedral Port LS Heads Fits Casting Numbers 243 799 706 862 317 241 853 806 Choose Single or Set of 8 Exhaust Valves Michigan Motorsports' standard replacement valves are... MSRP: Was: Now: $10.99 - $79.99 Out of stock Compare Quick view Michigan Motorsports 1.890" Stainless High Performance Intake Valves for LM7 L59 LR4 LM4 Cathedral Port 706 862 Heads Michigan Motorsports 1.890" Stainless High Performance LS Intake Valves Fits 1999-2006 Cathedral Port Head Casting Numbers 706 862 Fits Engine Codes: LM7 L59 LR4 LM4 Choose Single or Set of 8 Intake Valves Michigan Motorsports' stainless valves... MSRP: Was: Now: $15.99 - $119.99 Out of stock Compare Quick view Michigan Motorsports Stock Replacement 2.000" Intake Valves for Cathedral Port 243 799 317 241 853 806 Heads LS1 LS2 LS6 LQ4 LQ9 LC9 LMG 2.00" Michigan Motorsports 2.000" Stock Replacement LS Intake Valves Fits 1997-2013 Cathedral Port LS Heads EXCEPT 706 and 862 Castings Compatible with Casting Numbers 243 799 317 241 853 806 Choose Single or Set of 8 Intake Valves Michigan Motorsports'... MSRP: Was: Now: $8.99 - $69.99 Choose Options Compare Quick view Michigan Motorsports Stock Replacement 1.890" Intake Valves for LM7 L59 LR4 LM4 Cathedral Port 706 862 Heads Michigan Motorsports 1.890" Stock Replacement LS Intake Valves Fits 1999-2006 Cathedral Port Head Casting Numbers 706 862 Fits Engine Codes: LM7 L59 LR4 LM4 Choose Single or Set of 8 Intake Valves Michigan Motorsports' standard replacement... MSRP: Was: Now: $8.99 - $64.99 Out of stock Compare Quick view Michigan Motorsports 1.550" Stainless High Performance LS Exhaust Valves for Cathedral Port 243 799 706 862 317 241 853 806 Heads LS1 LS2 LS6 LQ4 LQ9 LC9 LMG LM7 Michigan Motorsports 1.550" Stainless High Performance LS Exhaust Valves Fits 1997-2013 Cathedral Port LS Heads Fits Casting Numbers 243 799 706 862 317 241 853 806 Choose Quantity for a Single Valve or Set of 8 Exhaust Valves Michigan Motorsports'... MSRP: Was: Now: $15.99 - $109.99 Choose Options Compare Quick view Top Street Performance Black Cast Aluminum LS Valve Covers with Coil Mounts - Top Street Performance 4.8L 5.3L 5.7L 6.0L 6.2L LS1 LS3 LQ4 LM7 LC9 L96 Top Street Performance Black Cast Aluminum LS Valve Covers with Coil Mounts Fits 1999-2013 LS Based Engines 4.8L 5.3L 5.7L 6.0L 6.2L 7.0L Compatible with D510C and D514A coils ONLY. Typically found on 2007-later engines. Upgrade the look of... MSRP: Now: $188.99 Out of stock Compare Quick view Michigan Motorsports Stainless High Performance 1.929" Intake Valves for 2014+ L83 L84 L82 L8B 5.3L Engines Michigan Motorsports 1.929" Stainless High Performance Intake Valves Fits 2014-Newer 5.3L L83 L84 L82 L8b Choose Single or Set of 8 Intake Valves Michigan Motorsports' stainless valves are a great upgrade for your factory 5.3L LT cylinder heads. Made... MSRP: Was: Now: $15.99 - $119.99 Choose Options Compare Quick view Michigan Motorsports Stainless High Performance 1.555" Exhaust Valves for 2014+ L83 L84 L82 L8B 5.3L Engines Michigan Motorsports 1.555" Stainless High Performance Exhaust Valves Fits 2014-Newer 5.3L L83 L84 L82 L8B Choose Single or Set of 8 Exhaust Valves Michigan Motorsports' stainless valves are a great upgrade for your factory 5.3L LT cylinder heads... MSRP: Was: Now: $15.99 - $119.99 Choose Options Compare Previous 1 2 3 4 5 6 7 Next Previous 1 2 3 4 5 6 7 Next Compare Selected
Quick view Frankenstein Engine Dynamics Frankenstein M311 273cc Boost Monster 11 Degree LS3 Cylinder Heads with Inconel Exhaust Valves and Upgraded Guides (SET) Frankenstein M311 BOOST Monster 11 Degree LS3 Cylinder Head Pair Fits 4.000" and Larger Bore LS Engines when used with a Rectangle Port (LS3) Style Intake Manifold In Stock Ready to Ship Frankenstein Engine Dynamics' Boost Monster Series... MSRP: Was: Now: $3,999.00 - $4,144.00 Choose Options Compare
Quick view Michigan Motorsports Stock Replacement 1.550" LS Exhaust Valves for Cathedral Port 243 799 706 862 317 241 853 806 Heads LS1 LS2 LS6 LQ4 LQ9 LC9 LMG LM7 Michigan Motorsports 1.550" Stock Replacement LS Exhaust Valves Fits 1997-2013 Cathedral Port LS Heads Fits Casting Numbers 243 799 706 862 317 241 853 806 Choose Single or Set of 8 Exhaust Valves Michigan Motorsports' standard replacement valves are... MSRP: Was: Now: $10.99 - $79.99 Out of stock Compare
Quick view Michigan Motorsports 1.890" Stainless High Performance Intake Valves for LM7 L59 LR4 LM4 Cathedral Port 706 862 Heads Michigan Motorsports 1.890" Stainless High Performance LS Intake Valves Fits 1999-2006 Cathedral Port Head Casting Numbers 706 862 Fits Engine Codes: LM7 L59 LR4 LM4 Choose Single or Set of 8 Intake Valves Michigan Motorsports' stainless valves... MSRP: Was: Now: $15.99 - $119.99 Out of stock Compare
Quick view Michigan Motorsports Stock Replacement 2.000" Intake Valves for Cathedral Port 243 799 317 241 853 806 Heads LS1 LS2 LS6 LQ4 LQ9 LC9 LMG 2.00" Michigan Motorsports 2.000" Stock Replacement LS Intake Valves Fits 1997-2013 Cathedral Port LS Heads EXCEPT 706 and 862 Castings Compatible with Casting Numbers 243 799 317 241 853 806 Choose Single or Set of 8 Intake Valves Michigan Motorsports'... MSRP: Was: Now: $8.99 - $69.99 Choose Options Compare
Quick view Michigan Motorsports Stock Replacement 1.890" Intake Valves for LM7 L59 LR4 LM4 Cathedral Port 706 862 Heads Michigan Motorsports 1.890" Stock Replacement LS Intake Valves Fits 1999-2006 Cathedral Port Head Casting Numbers 706 862 Fits Engine Codes: LM7 L59 LR4 LM4 Choose Single or Set of 8 Intake Valves Michigan Motorsports' standard replacement... MSRP: Was: Now: $8.99 - $64.99 Out of stock Compare
Quick view Michigan Motorsports 1.550" Stainless High Performance LS Exhaust Valves for Cathedral Port 243 799 706 862 317 241 853 806 Heads LS1 LS2 LS6 LQ4 LQ9 LC9 LMG LM7 Michigan Motorsports 1.550" Stainless High Performance LS Exhaust Valves Fits 1997-2013 Cathedral Port LS Heads Fits Casting Numbers 243 799 706 862 317 241 853 806 Choose Quantity for a Single Valve or Set of 8 Exhaust Valves Michigan Motorsports'... MSRP: Was: Now: $15.99 - $109.99 Choose Options Compare
Quick view Top Street Performance Black Cast Aluminum LS Valve Covers with Coil Mounts - Top Street Performance 4.8L 5.3L 5.7L 6.0L 6.2L LS1 LS3 LQ4 LM7 LC9 L96 Top Street Performance Black Cast Aluminum LS Valve Covers with Coil Mounts Fits 1999-2013 LS Based Engines 4.8L 5.3L 5.7L 6.0L 6.2L 7.0L Compatible with D510C and D514A coils ONLY. Typically found on 2007-later engines. Upgrade the look of... MSRP: Now: $188.99 Out of stock Compare Quick view Michigan Motorsports Stainless High Performance 1.929" Intake Valves for 2014+ L83 L84 L82 L8B 5.3L Engines Michigan Motorsports 1.929" Stainless High Performance Intake Valves Fits 2014-Newer 5.3L L83 L84 L82 L8b Choose Single or Set of 8 Intake Valves Michigan Motorsports' stainless valves are a great upgrade for your factory 5.3L LT cylinder heads. Made... MSRP: Was: Now: $15.99 - $119.99 Choose Options Compare Quick view Michigan Motorsports Stainless High Performance 1.555" Exhaust Valves for 2014+ L83 L84 L82 L8B 5.3L Engines Michigan Motorsports 1.555" Stainless High Performance Exhaust Valves Fits 2014-Newer 5.3L L83 L84 L82 L8B Choose Single or Set of 8 Exhaust Valves Michigan Motorsports' stainless valves are a great upgrade for your factory 5.3L LT cylinder heads... MSRP: Was: Now: $15.99 - $119.99 Choose Options Compare Previous 1 2 3 4 5 6 7 Next Previous 1 2 3 4 5 6 7 Next Compare Selected
Quick view Michigan Motorsports Stainless High Performance 1.929" Intake Valves for 2014+ L83 L84 L82 L8B 5.3L Engines Michigan Motorsports 1.929" Stainless High Performance Intake Valves Fits 2014-Newer 5.3L L83 L84 L82 L8b Choose Single or Set of 8 Intake Valves Michigan Motorsports' stainless valves are a great upgrade for your factory 5.3L LT cylinder heads. Made... MSRP: Was: Now: $15.99 - $119.99 Choose Options Compare
Quick view Michigan Motorsports Stainless High Performance 1.555" Exhaust Valves for 2014+ L83 L84 L82 L8B 5.3L Engines Michigan Motorsports 1.555" Stainless High Performance Exhaust Valves Fits 2014-Newer 5.3L L83 L84 L82 L8B Choose Single or Set of 8 Exhaust Valves Michigan Motorsports' stainless valves are a great upgrade for your factory 5.3L LT cylinder heads... MSRP: Was: Now: $15.99 - $119.99 Choose Options Compare
