Quick view Details GM GM 12629513 Intake Valves for 2014+ L86 L87 LT1 LT2 6.2L Gen V Engines MSRP: Was: Now: $27.99 - $219.99 Choose Options Compare
Quick view Details GM GM 12678746 Exhaust Valves for 2014+ L86 L87 LT1 LT4 6.2L Gen V Engines MSRP: Was: Now: $31.99 - $249.99 Choose Options Compare
Quick view Details GM GM 12678745 Exhaust Valves for 2014+ L83 L84 L82 L8B 5.3L Gen V Engines MSRP: Was: Now: $11.99 - $89.99 Choose Options Compare
Quick view Details GM GM 12619825 Intake Valves for 2014+ L83 L84 L82 L8B 5.3L Gen V Engines MSRP: Was: Now: $9.99 - $74.99 Choose Options Compare
Quick view Details Frankenstein Engine Dynamics Frankenstein Monster M115 235cc Cathedral Port Cylinder Heads (SET) 4.8L 5.3L 5.7L 6.0L LS1 LS2 LS6 LQ4 LQ9 LM7 LC9 L33 LH6 MSRP: Now: $3,555.00 Add to Cart Compare Quick view Details Frankenstein Engine Dynamics Frankenstein Monster Series M712 283cc 12 Degree LS7 Cylinder Heads (SET) MSRP: Now: $3,555.00 Add to Cart Compare Quick view Details Frankenstein Engine Dynamics Frankenstein Monster Series M311 273cc 11 Degree LS3 Cylinder Heads (SET) MSRP: Was: Now: $3,333.00 - $3,478.00 Choose Options Compare Quick view Details Michigan Motorsports Michigan Motorsports Blue LS Oil Fill Cap - CNC Billet Aluminum 4.8L 5.3L 5.7L 6.0L 6.2L MSRP: Now: $29.99 Add to Cart Compare Quick view Details Michigan Motorsports Stock Replacement 2.00"/1.55" LS Valve Set for LS1 LS2 LS6 LQ4 LQ9 LC9 LMG Cathedral Port 243 799 317 241 853 806 Heads 2.000" 1.550" MSRP: Now: $144.99 Out of stock Compare Quick view Details Michigan Motorsports Stock Replacement 1.89"/1.55" LS Valve Set for LM7 L59 LR4 LM4 4.8L 5.3L 1.890" 1.550" MSRP: Now: $139.99 Out of stock Compare Quick view Details Michigan Motorsports Stainless 2.165"/1.59" High Performance Valve Set for L99 L76 L77 L92 LY6 L94 L9H L96 Rec Port LS Heads 821 823 5364 MSRP: Now: $229.99 Out of stock Compare Quick view Details Michigan Motorsports Stainless 1.89"/1.55" High Performance LS Valve Set - LM7 L59 LR4 LM4 4.8L 5.3L MSRP: Now: $219.99 Out of stock Compare Quick view GM GM 12629513 Intake Valves for 2014+ L86 L87 LT1 LT2 6.2L Gen V Engines Genuine GM 12629513 Intake Valve Fits 2014-Newer L86 L87 LT1 LT2 6.2L Engines Choose Quantity for a Single Valve or Set of 8 Valves Genuine GM stock replacement Intake Valve for Gen V LT-based 6.2L engines. 2.126" Head Diameter, Hollow Stem... MSRP: Was: Now: $27.99 - $219.99 Choose Options Compare Quick view GM GM 12678746 Exhaust Valves for 2014+ L86 L87 LT1 LT4 6.2L Gen V Engines Genuine GM 12678746 Exhaust Valve Fits 2014-Newer L86 L87 LT1 LT4 6.2L Engines Choose Quantity for a Single Valve or Set of 8 Valves Genuine GM stock replacement Exhaust Valve for Gen V LT-based 6.2L engines. 1.59" Head Diameter, Sodium... MSRP: Was: Now: $31.99 - $249.99 Choose Options Compare Quick view GM GM 12678745 Exhaust Valves for 2014+ L83 L84 L82 L8B 5.3L Gen V Engines Genuine GM 12678745 Exhaust Valve Fits 2014-Newer L83 L84 L82 L8B 5.3L Truck/SUV Engines Choose Quantity for a Single Valve or Set of 8 Valves Genuine GM stock replacement Exhaust Valve for Gen V LT-based 5.3L engines. 1.556" Head Diameter 5... MSRP: Was: Now: $11.99 - $89.99 Choose Options Compare Quick view GM GM 12619825 Intake Valves for 2014+ L83 L84 L82 L8B 5.3L Gen V Engines Genuine GM 12619825 Intake Valve Fits 2014-Newer L83 L84 L82 L8B 5.3L Truck/SUV Engines Choose Quantity for a Single Valve or Set of 8 Valves Genuine GM stock replacement Intake Valve for Gen V LT-based 5.3L engines. 1.929" Head Diameter 5... MSRP: Was: Now: $9.99 - $74.99 Choose Options Compare Quick view Frankenstein Engine Dynamics Frankenstein Monster M115 235cc Cathedral Port Cylinder Heads (SET) 4.8L 5.3L 5.7L 6.0L LS1 LS2 LS6 LQ4 LQ9 LM7 LC9 L33 LH6 Frankenstein M115 Monster Series Cathedral Port LS1 Cylinder Head Pair Fits 3.780" and Larger Bore LS Engines when used with 4.030" or larger Head Gaskets Currently accepting pre-orders. Expected to ship Early May The Monster Series M115 235cc LS1... MSRP: Now: $3,555.00 Add to Cart Compare Quick view Frankenstein Engine Dynamics Frankenstein Monster Series M712 283cc 12 Degree LS7 Cylinder Heads (SET) Frankenstein Monster M712 283cc LS7 12 Degree Cylinder Head Pair Fits 4.100" and Larger Bore LS Engines when used with a Square Port (LS7) Style Intake Manifold In Stock, Ready to Ship! The Monster Series M712 283cc LS7 Cylinder Heads are engineered... MSRP: Now: $3,555.00 Add to Cart Compare Quick view Frankenstein Engine Dynamics Frankenstein Monster Series M311 273cc 11 Degree LS3 Cylinder Heads (SET) Frankenstein M311 Monster Series 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! The Monster Series M311 273cc LS3 Cylinder Heads are... MSRP: Was: Now: $3,333.00 - $3,478.00 Choose Options Compare Quick view Michigan Motorsports Michigan Motorsports Blue LS Oil Fill Cap - CNC Billet Aluminum 4.8L 5.3L 5.7L 6.0L 6.2L Michigan Motorsports Billet LS Oil Fill Cap Blue powder coated finish with MM Logo This Michigan Motorsports Oil Fill Cap is a great way to upgrade the appearance of your engine bay. CNC Machined in the USA from high quality 6061 Aluminum and... MSRP: Now: $29.99 Add to Cart Compare Quick view Michigan Motorsports Stock Replacement 2.00"/1.55" LS Valve Set for LS1 LS2 LS6 LQ4 LQ9 LC9 LMG Cathedral Port 243 799 317 241 853 806 Heads 2.000" 1.550" Michigan Motorsports 2.00"/1.55" Stock Replacement Valve Set Fits 1997-2013 Cathedral Port LS Heads EXCEPT 706 and 862 Castings Compatible with Casting Numbers 243 799 317 241 853 806 Includes 8 x 2.000" Intake Valves and 8 x 1.550" Exhaust... MSRP: Now: $144.99 Out of stock Compare Quick view Michigan Motorsports Stock Replacement 1.89"/1.55" LS Valve Set for LM7 L59 LR4 LM4 4.8L 5.3L 1.890" 1.550" Michigan Motorsports 1.89"/1.55" Stock Replacement Valve Set Fits 1999-2006 Cathedral Port Head Casting Numbers 706 862 Fits Engine Codes: LM7 L59 LR4 LM4 Includes 8 x 1.890" Intake Valves and 8 x 1.550" Exhaust Valves Michigan Motorsports'... MSRP: Now: $139.99 Out of stock Compare Quick view Michigan Motorsports Stainless 2.165"/1.59" High Performance Valve Set for L99 L76 L77 L92 LY6 L94 L9H L96 Rec Port LS Heads 821 823 5364 Michigan Motorsports Stainless High Performance 2.165"/1.590" Valve Set Fits 2007-Later Rectangle Port Head Casting Numbers 821 823 5364 Fits Engine Codes: L99 L76 L77 L92 LY6 L9H L94 L96 Includes 8 Intake Valves an 8 Exhaust Valves Michigan... MSRP: Now: $229.99 Out of stock Compare Quick view Michigan Motorsports Stainless 1.89"/1.55" High Performance LS Valve Set - LM7 L59 LR4 LM4 4.8L 5.3L Michigan Motorsports 1.89"/1.55" Stainless High Performance Valve Set Fits 1999-2006 Cathedral Port Head Casting Numbers 706 862 Fits Engine Codes: LM7 L59 LR4 LM4 Includes 8 x 1.890" Intake Valves and 8 x 1.550" Exhaust Valves Michigan... MSRP: Now: $219.99 Out of stock Compare Previous 1 2 3 4 5 6 Next Previous 1 2 3 4 5 6 Next Compare Selected × OK
Quick view Details Frankenstein Engine Dynamics Frankenstein Monster Series M712 283cc 12 Degree LS7 Cylinder Heads (SET) MSRP: Now: $3,555.00 Add to Cart Compare Quick view Details Frankenstein Engine Dynamics Frankenstein Monster Series M311 273cc 11 Degree LS3 Cylinder Heads (SET) MSRP: Was: Now: $3,333.00 - $3,478.00 Choose Options Compare Quick view Details Michigan Motorsports Michigan Motorsports Blue LS Oil Fill Cap - CNC Billet Aluminum 4.8L 5.3L 5.7L 6.0L 6.2L MSRP: Now: $29.99 Add to Cart Compare Quick view Details Michigan Motorsports Stock Replacement 2.00"/1.55" LS Valve Set for LS1 LS2 LS6 LQ4 LQ9 LC9 LMG Cathedral Port 243 799 317 241 853 806 Heads 2.000" 1.550" MSRP: Now: $144.99 Out of stock Compare Quick view Details Michigan Motorsports Stock Replacement 1.89"/1.55" LS Valve Set for LM7 L59 LR4 LM4 4.8L 5.3L 1.890" 1.550" MSRP: Now: $139.99 Out of stock Compare Quick view Details Michigan Motorsports Stainless 2.165"/1.59" High Performance Valve Set for L99 L76 L77 L92 LY6 L94 L9H L96 Rec Port LS Heads 821 823 5364 MSRP: Now: $229.99 Out of stock Compare Quick view Details Michigan Motorsports Stainless 1.89"/1.55" High Performance LS Valve Set - LM7 L59 LR4 LM4 4.8L 5.3L MSRP: Now: $219.99 Out of stock Compare Quick view GM GM 12629513 Intake Valves for 2014+ L86 L87 LT1 LT2 6.2L Gen V Engines Genuine GM 12629513 Intake Valve Fits 2014-Newer L86 L87 LT1 LT2 6.2L Engines Choose Quantity for a Single Valve or Set of 8 Valves Genuine GM stock replacement Intake Valve for Gen V LT-based 6.2L engines. 2.126" Head Diameter, Hollow Stem... MSRP: Was: Now: $27.99 - $219.99 Choose Options Compare Quick view GM GM 12678746 Exhaust Valves for 2014+ L86 L87 LT1 LT4 6.2L Gen V Engines Genuine GM 12678746 Exhaust Valve Fits 2014-Newer L86 L87 LT1 LT4 6.2L Engines Choose Quantity for a Single Valve or Set of 8 Valves Genuine GM stock replacement Exhaust Valve for Gen V LT-based 6.2L engines. 1.59" Head Diameter, Sodium... MSRP: Was: Now: $31.99 - $249.99 Choose Options Compare Quick view GM GM 12678745 Exhaust Valves for 2014+ L83 L84 L82 L8B 5.3L Gen V Engines Genuine GM 12678745 Exhaust Valve Fits 2014-Newer L83 L84 L82 L8B 5.3L Truck/SUV Engines Choose Quantity for a Single Valve or Set of 8 Valves Genuine GM stock replacement Exhaust Valve for Gen V LT-based 5.3L engines. 1.556" Head Diameter 5... MSRP: Was: Now: $11.99 - $89.99 Choose Options Compare Quick view GM GM 12619825 Intake Valves for 2014+ L83 L84 L82 L8B 5.3L Gen V Engines Genuine GM 12619825 Intake Valve Fits 2014-Newer L83 L84 L82 L8B 5.3L Truck/SUV Engines Choose Quantity for a Single Valve or Set of 8 Valves Genuine GM stock replacement Intake Valve for Gen V LT-based 5.3L engines. 1.929" Head Diameter 5... MSRP: Was: Now: $9.99 - $74.99 Choose Options Compare Quick view Frankenstein Engine Dynamics Frankenstein Monster M115 235cc Cathedral Port Cylinder Heads (SET) 4.8L 5.3L 5.7L 6.0L LS1 LS2 LS6 LQ4 LQ9 LM7 LC9 L33 LH6 Frankenstein M115 Monster Series Cathedral Port LS1 Cylinder Head Pair Fits 3.780" and Larger Bore LS Engines when used with 4.030" or larger Head Gaskets Currently accepting pre-orders. Expected to ship Early May The Monster Series M115 235cc LS1... MSRP: Now: $3,555.00 Add to Cart Compare Quick view Frankenstein Engine Dynamics Frankenstein Monster Series M712 283cc 12 Degree LS7 Cylinder Heads (SET) Frankenstein Monster M712 283cc LS7 12 Degree Cylinder Head Pair Fits 4.100" and Larger Bore LS Engines when used with a Square Port (LS7) Style Intake Manifold In Stock, Ready to Ship! The Monster Series M712 283cc LS7 Cylinder Heads are engineered... MSRP: Now: $3,555.00 Add to Cart Compare Quick view Frankenstein Engine Dynamics Frankenstein Monster Series M311 273cc 11 Degree LS3 Cylinder Heads (SET) Frankenstein M311 Monster Series 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! The Monster Series M311 273cc LS3 Cylinder Heads are... MSRP: Was: Now: $3,333.00 - $3,478.00 Choose Options Compare Quick view Michigan Motorsports Michigan Motorsports Blue LS Oil Fill Cap - CNC Billet Aluminum 4.8L 5.3L 5.7L 6.0L 6.2L Michigan Motorsports Billet LS Oil Fill Cap Blue powder coated finish with MM Logo This Michigan Motorsports Oil Fill Cap is a great way to upgrade the appearance of your engine bay. CNC Machined in the USA from high quality 6061 Aluminum and... MSRP: Now: $29.99 Add to Cart Compare Quick view Michigan Motorsports Stock Replacement 2.00"/1.55" LS Valve Set for LS1 LS2 LS6 LQ4 LQ9 LC9 LMG Cathedral Port 243 799 317 241 853 806 Heads 2.000" 1.550" Michigan Motorsports 2.00"/1.55" Stock Replacement Valve Set Fits 1997-2013 Cathedral Port LS Heads EXCEPT 706 and 862 Castings Compatible with Casting Numbers 243 799 317 241 853 806 Includes 8 x 2.000" Intake Valves and 8 x 1.550" Exhaust... MSRP: Now: $144.99 Out of stock Compare Quick view Michigan Motorsports Stock Replacement 1.89"/1.55" LS Valve Set for LM7 L59 LR4 LM4 4.8L 5.3L 1.890" 1.550" Michigan Motorsports 1.89"/1.55" Stock Replacement Valve Set Fits 1999-2006 Cathedral Port Head Casting Numbers 706 862 Fits Engine Codes: LM7 L59 LR4 LM4 Includes 8 x 1.890" Intake Valves and 8 x 1.550" Exhaust Valves Michigan Motorsports'... MSRP: Now: $139.99 Out of stock Compare Quick view Michigan Motorsports Stainless 2.165"/1.59" High Performance Valve Set for L99 L76 L77 L92 LY6 L94 L9H L96 Rec Port LS Heads 821 823 5364 Michigan Motorsports Stainless High Performance 2.165"/1.590" Valve Set Fits 2007-Later Rectangle Port Head Casting Numbers 821 823 5364 Fits Engine Codes: L99 L76 L77 L92 LY6 L9H L94 L96 Includes 8 Intake Valves an 8 Exhaust Valves Michigan... MSRP: Now: $229.99 Out of stock Compare Quick view Michigan Motorsports Stainless 1.89"/1.55" High Performance LS Valve Set - LM7 L59 LR4 LM4 4.8L 5.3L Michigan Motorsports 1.89"/1.55" Stainless High Performance Valve Set Fits 1999-2006 Cathedral Port Head Casting Numbers 706 862 Fits Engine Codes: LM7 L59 LR4 LM4 Includes 8 x 1.890" Intake Valves and 8 x 1.550" Exhaust Valves Michigan... MSRP: Now: $219.99 Out of stock Compare Previous 1 2 3 4 5 6 Next Previous 1 2 3 4 5 6 Next Compare Selected × OK
Quick view Details Frankenstein Engine Dynamics Frankenstein Monster Series M311 273cc 11 Degree LS3 Cylinder Heads (SET) MSRP: Was: Now: $3,333.00 - $3,478.00 Choose Options Compare
Quick view Details Michigan Motorsports Michigan Motorsports Blue LS Oil Fill Cap - CNC Billet Aluminum 4.8L 5.3L 5.7L 6.0L 6.2L MSRP: Now: $29.99 Add to Cart Compare Quick view Details Michigan Motorsports Stock Replacement 2.00"/1.55" LS Valve Set for LS1 LS2 LS6 LQ4 LQ9 LC9 LMG Cathedral Port 243 799 317 241 853 806 Heads 2.000" 1.550" MSRP: Now: $144.99 Out of stock Compare Quick view Details Michigan Motorsports Stock Replacement 1.89"/1.55" LS Valve Set for LM7 L59 LR4 LM4 4.8L 5.3L 1.890" 1.550" MSRP: Now: $139.99 Out of stock Compare Quick view Details Michigan Motorsports Stainless 2.165"/1.59" High Performance Valve Set for L99 L76 L77 L92 LY6 L94 L9H L96 Rec Port LS Heads 821 823 5364 MSRP: Now: $229.99 Out of stock Compare Quick view Details Michigan Motorsports Stainless 1.89"/1.55" High Performance LS Valve Set - LM7 L59 LR4 LM4 4.8L 5.3L MSRP: Now: $219.99 Out of stock Compare Quick view GM GM 12629513 Intake Valves for 2014+ L86 L87 LT1 LT2 6.2L Gen V Engines Genuine GM 12629513 Intake Valve Fits 2014-Newer L86 L87 LT1 LT2 6.2L Engines Choose Quantity for a Single Valve or Set of 8 Valves Genuine GM stock replacement Intake Valve for Gen V LT-based 6.2L engines. 2.126" Head Diameter, Hollow Stem... MSRP: Was: Now: $27.99 - $219.99 Choose Options Compare Quick view GM GM 12678746 Exhaust Valves for 2014+ L86 L87 LT1 LT4 6.2L Gen V Engines Genuine GM 12678746 Exhaust Valve Fits 2014-Newer L86 L87 LT1 LT4 6.2L Engines Choose Quantity for a Single Valve or Set of 8 Valves Genuine GM stock replacement Exhaust Valve for Gen V LT-based 6.2L engines. 1.59" Head Diameter, Sodium... MSRP: Was: Now: $31.99 - $249.99 Choose Options Compare Quick view GM GM 12678745 Exhaust Valves for 2014+ L83 L84 L82 L8B 5.3L Gen V Engines Genuine GM 12678745 Exhaust Valve Fits 2014-Newer L83 L84 L82 L8B 5.3L Truck/SUV Engines Choose Quantity for a Single Valve or Set of 8 Valves Genuine GM stock replacement Exhaust Valve for Gen V LT-based 5.3L engines. 1.556" Head Diameter 5... MSRP: Was: Now: $11.99 - $89.99 Choose Options Compare Quick view GM GM 12619825 Intake Valves for 2014+ L83 L84 L82 L8B 5.3L Gen V Engines Genuine GM 12619825 Intake Valve Fits 2014-Newer L83 L84 L82 L8B 5.3L Truck/SUV Engines Choose Quantity for a Single Valve or Set of 8 Valves Genuine GM stock replacement Intake Valve for Gen V LT-based 5.3L engines. 1.929" Head Diameter 5... MSRP: Was: Now: $9.99 - $74.99 Choose Options Compare Quick view Frankenstein Engine Dynamics Frankenstein Monster M115 235cc Cathedral Port Cylinder Heads (SET) 4.8L 5.3L 5.7L 6.0L LS1 LS2 LS6 LQ4 LQ9 LM7 LC9 L33 LH6 Frankenstein M115 Monster Series Cathedral Port LS1 Cylinder Head Pair Fits 3.780" and Larger Bore LS Engines when used with 4.030" or larger Head Gaskets Currently accepting pre-orders. Expected to ship Early May The Monster Series M115 235cc LS1... MSRP: Now: $3,555.00 Add to Cart Compare Quick view Frankenstein Engine Dynamics Frankenstein Monster Series M712 283cc 12 Degree LS7 Cylinder Heads (SET) Frankenstein Monster M712 283cc LS7 12 Degree Cylinder Head Pair Fits 4.100" and Larger Bore LS Engines when used with a Square Port (LS7) Style Intake Manifold In Stock, Ready to Ship! The Monster Series M712 283cc LS7 Cylinder Heads are engineered... MSRP: Now: $3,555.00 Add to Cart Compare Quick view Frankenstein Engine Dynamics Frankenstein Monster Series M311 273cc 11 Degree LS3 Cylinder Heads (SET) Frankenstein M311 Monster Series 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! The Monster Series M311 273cc LS3 Cylinder Heads are... MSRP: Was: Now: $3,333.00 - $3,478.00 Choose Options Compare Quick view Michigan Motorsports Michigan Motorsports Blue LS Oil Fill Cap - CNC Billet Aluminum 4.8L 5.3L 5.7L 6.0L 6.2L Michigan Motorsports Billet LS Oil Fill Cap Blue powder coated finish with MM Logo This Michigan Motorsports Oil Fill Cap is a great way to upgrade the appearance of your engine bay. CNC Machined in the USA from high quality 6061 Aluminum and... MSRP: Now: $29.99 Add to Cart Compare Quick view Michigan Motorsports Stock Replacement 2.00"/1.55" LS Valve Set for LS1 LS2 LS6 LQ4 LQ9 LC9 LMG Cathedral Port 243 799 317 241 853 806 Heads 2.000" 1.550" Michigan Motorsports 2.00"/1.55" Stock Replacement Valve Set Fits 1997-2013 Cathedral Port LS Heads EXCEPT 706 and 862 Castings Compatible with Casting Numbers 243 799 317 241 853 806 Includes 8 x 2.000" Intake Valves and 8 x 1.550" Exhaust... MSRP: Now: $144.99 Out of stock Compare Quick view Michigan Motorsports Stock Replacement 1.89"/1.55" LS Valve Set for LM7 L59 LR4 LM4 4.8L 5.3L 1.890" 1.550" Michigan Motorsports 1.89"/1.55" Stock Replacement Valve Set Fits 1999-2006 Cathedral Port Head Casting Numbers 706 862 Fits Engine Codes: LM7 L59 LR4 LM4 Includes 8 x 1.890" Intake Valves and 8 x 1.550" Exhaust Valves Michigan Motorsports'... MSRP: Now: $139.99 Out of stock Compare Quick view Michigan Motorsports Stainless 2.165"/1.59" High Performance Valve Set for L99 L76 L77 L92 LY6 L94 L9H L96 Rec Port LS Heads 821 823 5364 Michigan Motorsports Stainless High Performance 2.165"/1.590" Valve Set Fits 2007-Later Rectangle Port Head Casting Numbers 821 823 5364 Fits Engine Codes: L99 L76 L77 L92 LY6 L9H L94 L96 Includes 8 Intake Valves an 8 Exhaust Valves Michigan... MSRP: Now: $229.99 Out of stock Compare Quick view Michigan Motorsports Stainless 1.89"/1.55" High Performance LS Valve Set - LM7 L59 LR4 LM4 4.8L 5.3L Michigan Motorsports 1.89"/1.55" Stainless High Performance Valve Set Fits 1999-2006 Cathedral Port Head Casting Numbers 706 862 Fits Engine Codes: LM7 L59 LR4 LM4 Includes 8 x 1.890" Intake Valves and 8 x 1.550" Exhaust Valves Michigan... MSRP: Now: $219.99 Out of stock Compare Previous 1 2 3 4 5 6 Next Previous 1 2 3 4 5 6 Next Compare Selected × OK
Quick view Details Michigan Motorsports Stock Replacement 2.00"/1.55" LS Valve Set for LS1 LS2 LS6 LQ4 LQ9 LC9 LMG Cathedral Port 243 799 317 241 853 806 Heads 2.000" 1.550" MSRP: Now: $144.99 Out of stock Compare Quick view Details Michigan Motorsports Stock Replacement 1.89"/1.55" LS Valve Set for LM7 L59 LR4 LM4 4.8L 5.3L 1.890" 1.550" MSRP: Now: $139.99 Out of stock Compare Quick view Details Michigan Motorsports Stainless 2.165"/1.59" High Performance Valve Set for L99 L76 L77 L92 LY6 L94 L9H L96 Rec Port LS Heads 821 823 5364 MSRP: Now: $229.99 Out of stock Compare Quick view Details Michigan Motorsports Stainless 1.89"/1.55" High Performance LS Valve Set - LM7 L59 LR4 LM4 4.8L 5.3L MSRP: Now: $219.99 Out of stock Compare Quick view GM GM 12629513 Intake Valves for 2014+ L86 L87 LT1 LT2 6.2L Gen V Engines Genuine GM 12629513 Intake Valve Fits 2014-Newer L86 L87 LT1 LT2 6.2L Engines Choose Quantity for a Single Valve or Set of 8 Valves Genuine GM stock replacement Intake Valve for Gen V LT-based 6.2L engines. 2.126" Head Diameter, Hollow Stem... MSRP: Was: Now: $27.99 - $219.99 Choose Options Compare Quick view GM GM 12678746 Exhaust Valves for 2014+ L86 L87 LT1 LT4 6.2L Gen V Engines Genuine GM 12678746 Exhaust Valve Fits 2014-Newer L86 L87 LT1 LT4 6.2L Engines Choose Quantity for a Single Valve or Set of 8 Valves Genuine GM stock replacement Exhaust Valve for Gen V LT-based 6.2L engines. 1.59" Head Diameter, Sodium... MSRP: Was: Now: $31.99 - $249.99 Choose Options Compare Quick view GM GM 12678745 Exhaust Valves for 2014+ L83 L84 L82 L8B 5.3L Gen V Engines Genuine GM 12678745 Exhaust Valve Fits 2014-Newer L83 L84 L82 L8B 5.3L Truck/SUV Engines Choose Quantity for a Single Valve or Set of 8 Valves Genuine GM stock replacement Exhaust Valve for Gen V LT-based 5.3L engines. 1.556" Head Diameter 5... MSRP: Was: Now: $11.99 - $89.99 Choose Options Compare Quick view GM GM 12619825 Intake Valves for 2014+ L83 L84 L82 L8B 5.3L Gen V Engines Genuine GM 12619825 Intake Valve Fits 2014-Newer L83 L84 L82 L8B 5.3L Truck/SUV Engines Choose Quantity for a Single Valve or Set of 8 Valves Genuine GM stock replacement Intake Valve for Gen V LT-based 5.3L engines. 1.929" Head Diameter 5... MSRP: Was: Now: $9.99 - $74.99 Choose Options Compare Quick view Frankenstein Engine Dynamics Frankenstein Monster M115 235cc Cathedral Port Cylinder Heads (SET) 4.8L 5.3L 5.7L 6.0L LS1 LS2 LS6 LQ4 LQ9 LM7 LC9 L33 LH6 Frankenstein M115 Monster Series Cathedral Port LS1 Cylinder Head Pair Fits 3.780" and Larger Bore LS Engines when used with 4.030" or larger Head Gaskets Currently accepting pre-orders. Expected to ship Early May The Monster Series M115 235cc LS1... MSRP: Now: $3,555.00 Add to Cart Compare Quick view Frankenstein Engine Dynamics Frankenstein Monster Series M712 283cc 12 Degree LS7 Cylinder Heads (SET) Frankenstein Monster M712 283cc LS7 12 Degree Cylinder Head Pair Fits 4.100" and Larger Bore LS Engines when used with a Square Port (LS7) Style Intake Manifold In Stock, Ready to Ship! The Monster Series M712 283cc LS7 Cylinder Heads are engineered... MSRP: Now: $3,555.00 Add to Cart Compare Quick view Frankenstein Engine Dynamics Frankenstein Monster Series M311 273cc 11 Degree LS3 Cylinder Heads (SET) Frankenstein M311 Monster Series 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! The Monster Series M311 273cc LS3 Cylinder Heads are... MSRP: Was: Now: $3,333.00 - $3,478.00 Choose Options Compare Quick view Michigan Motorsports Michigan Motorsports Blue LS Oil Fill Cap - CNC Billet Aluminum 4.8L 5.3L 5.7L 6.0L 6.2L Michigan Motorsports Billet LS Oil Fill Cap Blue powder coated finish with MM Logo This Michigan Motorsports Oil Fill Cap is a great way to upgrade the appearance of your engine bay. CNC Machined in the USA from high quality 6061 Aluminum and... MSRP: Now: $29.99 Add to Cart Compare Quick view Michigan Motorsports Stock Replacement 2.00"/1.55" LS Valve Set for LS1 LS2 LS6 LQ4 LQ9 LC9 LMG Cathedral Port 243 799 317 241 853 806 Heads 2.000" 1.550" Michigan Motorsports 2.00"/1.55" Stock Replacement Valve Set Fits 1997-2013 Cathedral Port LS Heads EXCEPT 706 and 862 Castings Compatible with Casting Numbers 243 799 317 241 853 806 Includes 8 x 2.000" Intake Valves and 8 x 1.550" Exhaust... MSRP: Now: $144.99 Out of stock Compare Quick view Michigan Motorsports Stock Replacement 1.89"/1.55" LS Valve Set for LM7 L59 LR4 LM4 4.8L 5.3L 1.890" 1.550" Michigan Motorsports 1.89"/1.55" Stock Replacement Valve Set Fits 1999-2006 Cathedral Port Head Casting Numbers 706 862 Fits Engine Codes: LM7 L59 LR4 LM4 Includes 8 x 1.890" Intake Valves and 8 x 1.550" Exhaust Valves Michigan Motorsports'... MSRP: Now: $139.99 Out of stock Compare Quick view Michigan Motorsports Stainless 2.165"/1.59" High Performance Valve Set for L99 L76 L77 L92 LY6 L94 L9H L96 Rec Port LS Heads 821 823 5364 Michigan Motorsports Stainless High Performance 2.165"/1.590" Valve Set Fits 2007-Later Rectangle Port Head Casting Numbers 821 823 5364 Fits Engine Codes: L99 L76 L77 L92 LY6 L9H L94 L96 Includes 8 Intake Valves an 8 Exhaust Valves Michigan... MSRP: Now: $229.99 Out of stock Compare Quick view Michigan Motorsports Stainless 1.89"/1.55" High Performance LS Valve Set - LM7 L59 LR4 LM4 4.8L 5.3L Michigan Motorsports 1.89"/1.55" Stainless High Performance Valve Set Fits 1999-2006 Cathedral Port Head Casting Numbers 706 862 Fits Engine Codes: LM7 L59 LR4 LM4 Includes 8 x 1.890" Intake Valves and 8 x 1.550" Exhaust Valves Michigan... MSRP: Now: $219.99 Out of stock Compare Previous 1 2 3 4 5 6 Next Previous 1 2 3 4 5 6 Next Compare Selected × OK
Quick view Details Michigan Motorsports Stock Replacement 1.89"/1.55" LS Valve Set for LM7 L59 LR4 LM4 4.8L 5.3L 1.890" 1.550" MSRP: Now: $139.99 Out of stock Compare Quick view Details Michigan Motorsports Stainless 2.165"/1.59" High Performance Valve Set for L99 L76 L77 L92 LY6 L94 L9H L96 Rec Port LS Heads 821 823 5364 MSRP: Now: $229.99 Out of stock Compare Quick view Details Michigan Motorsports Stainless 1.89"/1.55" High Performance LS Valve Set - LM7 L59 LR4 LM4 4.8L 5.3L MSRP: Now: $219.99 Out of stock Compare Quick view GM GM 12629513 Intake Valves for 2014+ L86 L87 LT1 LT2 6.2L Gen V Engines Genuine GM 12629513 Intake Valve Fits 2014-Newer L86 L87 LT1 LT2 6.2L Engines Choose Quantity for a Single Valve or Set of 8 Valves Genuine GM stock replacement Intake Valve for Gen V LT-based 6.2L engines. 2.126" Head Diameter, Hollow Stem... MSRP: Was: Now: $27.99 - $219.99 Choose Options Compare Quick view GM GM 12678746 Exhaust Valves for 2014+ L86 L87 LT1 LT4 6.2L Gen V Engines Genuine GM 12678746 Exhaust Valve Fits 2014-Newer L86 L87 LT1 LT4 6.2L Engines Choose Quantity for a Single Valve or Set of 8 Valves Genuine GM stock replacement Exhaust Valve for Gen V LT-based 6.2L engines. 1.59" Head Diameter, Sodium... MSRP: Was: Now: $31.99 - $249.99 Choose Options Compare Quick view GM GM 12678745 Exhaust Valves for 2014+ L83 L84 L82 L8B 5.3L Gen V Engines Genuine GM 12678745 Exhaust Valve Fits 2014-Newer L83 L84 L82 L8B 5.3L Truck/SUV Engines Choose Quantity for a Single Valve or Set of 8 Valves Genuine GM stock replacement Exhaust Valve for Gen V LT-based 5.3L engines. 1.556" Head Diameter 5... MSRP: Was: Now: $11.99 - $89.99 Choose Options Compare Quick view GM GM 12619825 Intake Valves for 2014+ L83 L84 L82 L8B 5.3L Gen V Engines Genuine GM 12619825 Intake Valve Fits 2014-Newer L83 L84 L82 L8B 5.3L Truck/SUV Engines Choose Quantity for a Single Valve or Set of 8 Valves Genuine GM stock replacement Intake Valve for Gen V LT-based 5.3L engines. 1.929" Head Diameter 5... MSRP: Was: Now: $9.99 - $74.99 Choose Options Compare Quick view Frankenstein Engine Dynamics Frankenstein Monster M115 235cc Cathedral Port Cylinder Heads (SET) 4.8L 5.3L 5.7L 6.0L LS1 LS2 LS6 LQ4 LQ9 LM7 LC9 L33 LH6 Frankenstein M115 Monster Series Cathedral Port LS1 Cylinder Head Pair Fits 3.780" and Larger Bore LS Engines when used with 4.030" or larger Head Gaskets Currently accepting pre-orders. Expected to ship Early May The Monster Series M115 235cc LS1... MSRP: Now: $3,555.00 Add to Cart Compare Quick view Frankenstein Engine Dynamics Frankenstein Monster Series M712 283cc 12 Degree LS7 Cylinder Heads (SET) Frankenstein Monster M712 283cc LS7 12 Degree Cylinder Head Pair Fits 4.100" and Larger Bore LS Engines when used with a Square Port (LS7) Style Intake Manifold In Stock, Ready to Ship! The Monster Series M712 283cc LS7 Cylinder Heads are engineered... MSRP: Now: $3,555.00 Add to Cart Compare Quick view Frankenstein Engine Dynamics Frankenstein Monster Series M311 273cc 11 Degree LS3 Cylinder Heads (SET) Frankenstein M311 Monster Series 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! The Monster Series M311 273cc LS3 Cylinder Heads are... MSRP: Was: Now: $3,333.00 - $3,478.00 Choose Options Compare Quick view Michigan Motorsports Michigan Motorsports Blue LS Oil Fill Cap - CNC Billet Aluminum 4.8L 5.3L 5.7L 6.0L 6.2L Michigan Motorsports Billet LS Oil Fill Cap Blue powder coated finish with MM Logo This Michigan Motorsports Oil Fill Cap is a great way to upgrade the appearance of your engine bay. CNC Machined in the USA from high quality 6061 Aluminum and... MSRP: Now: $29.99 Add to Cart Compare Quick view Michigan Motorsports Stock Replacement 2.00"/1.55" LS Valve Set for LS1 LS2 LS6 LQ4 LQ9 LC9 LMG Cathedral Port 243 799 317 241 853 806 Heads 2.000" 1.550" Michigan Motorsports 2.00"/1.55" Stock Replacement Valve Set Fits 1997-2013 Cathedral Port LS Heads EXCEPT 706 and 862 Castings Compatible with Casting Numbers 243 799 317 241 853 806 Includes 8 x 2.000" Intake Valves and 8 x 1.550" Exhaust... MSRP: Now: $144.99 Out of stock Compare Quick view Michigan Motorsports Stock Replacement 1.89"/1.55" LS Valve Set for LM7 L59 LR4 LM4 4.8L 5.3L 1.890" 1.550" Michigan Motorsports 1.89"/1.55" Stock Replacement Valve Set Fits 1999-2006 Cathedral Port Head Casting Numbers 706 862 Fits Engine Codes: LM7 L59 LR4 LM4 Includes 8 x 1.890" Intake Valves and 8 x 1.550" Exhaust Valves Michigan Motorsports'... MSRP: Now: $139.99 Out of stock Compare Quick view Michigan Motorsports Stainless 2.165"/1.59" High Performance Valve Set for L99 L76 L77 L92 LY6 L94 L9H L96 Rec Port LS Heads 821 823 5364 Michigan Motorsports Stainless High Performance 2.165"/1.590" Valve Set Fits 2007-Later Rectangle Port Head Casting Numbers 821 823 5364 Fits Engine Codes: L99 L76 L77 L92 LY6 L9H L94 L96 Includes 8 Intake Valves an 8 Exhaust Valves Michigan... MSRP: Now: $229.99 Out of stock Compare Quick view Michigan Motorsports Stainless 1.89"/1.55" High Performance LS Valve Set - LM7 L59 LR4 LM4 4.8L 5.3L Michigan Motorsports 1.89"/1.55" Stainless High Performance Valve Set Fits 1999-2006 Cathedral Port Head Casting Numbers 706 862 Fits Engine Codes: LM7 L59 LR4 LM4 Includes 8 x 1.890" Intake Valves and 8 x 1.550" Exhaust Valves Michigan... MSRP: Now: $219.99 Out of stock Compare Previous 1 2 3 4 5 6 Next Previous 1 2 3 4 5 6 Next Compare Selected × OK
Quick view Details Michigan Motorsports Stainless 2.165"/1.59" High Performance Valve Set for L99 L76 L77 L92 LY6 L94 L9H L96 Rec Port LS Heads 821 823 5364 MSRP: Now: $229.99 Out of stock Compare Quick view Details Michigan Motorsports Stainless 1.89"/1.55" High Performance LS Valve Set - LM7 L59 LR4 LM4 4.8L 5.3L MSRP: Now: $219.99 Out of stock Compare Quick view GM GM 12629513 Intake Valves for 2014+ L86 L87 LT1 LT2 6.2L Gen V Engines Genuine GM 12629513 Intake Valve Fits 2014-Newer L86 L87 LT1 LT2 6.2L Engines Choose Quantity for a Single Valve or Set of 8 Valves Genuine GM stock replacement Intake Valve for Gen V LT-based 6.2L engines. 2.126" Head Diameter, Hollow Stem... MSRP: Was: Now: $27.99 - $219.99 Choose Options Compare Quick view GM GM 12678746 Exhaust Valves for 2014+ L86 L87 LT1 LT4 6.2L Gen V Engines Genuine GM 12678746 Exhaust Valve Fits 2014-Newer L86 L87 LT1 LT4 6.2L Engines Choose Quantity for a Single Valve or Set of 8 Valves Genuine GM stock replacement Exhaust Valve for Gen V LT-based 6.2L engines. 1.59" Head Diameter, Sodium... MSRP: Was: Now: $31.99 - $249.99 Choose Options Compare Quick view GM GM 12678745 Exhaust Valves for 2014+ L83 L84 L82 L8B 5.3L Gen V Engines Genuine GM 12678745 Exhaust Valve Fits 2014-Newer L83 L84 L82 L8B 5.3L Truck/SUV Engines Choose Quantity for a Single Valve or Set of 8 Valves Genuine GM stock replacement Exhaust Valve for Gen V LT-based 5.3L engines. 1.556" Head Diameter 5... MSRP: Was: Now: $11.99 - $89.99 Choose Options Compare Quick view GM GM 12619825 Intake Valves for 2014+ L83 L84 L82 L8B 5.3L Gen V Engines Genuine GM 12619825 Intake Valve Fits 2014-Newer L83 L84 L82 L8B 5.3L Truck/SUV Engines Choose Quantity for a Single Valve or Set of 8 Valves Genuine GM stock replacement Intake Valve for Gen V LT-based 5.3L engines. 1.929" Head Diameter 5... MSRP: Was: Now: $9.99 - $74.99 Choose Options Compare Quick view Frankenstein Engine Dynamics Frankenstein Monster M115 235cc Cathedral Port Cylinder Heads (SET) 4.8L 5.3L 5.7L 6.0L LS1 LS2 LS6 LQ4 LQ9 LM7 LC9 L33 LH6 Frankenstein M115 Monster Series Cathedral Port LS1 Cylinder Head Pair Fits 3.780" and Larger Bore LS Engines when used with 4.030" or larger Head Gaskets Currently accepting pre-orders. Expected to ship Early May The Monster Series M115 235cc LS1... MSRP: Now: $3,555.00 Add to Cart Compare Quick view Frankenstein Engine Dynamics Frankenstein Monster Series M712 283cc 12 Degree LS7 Cylinder Heads (SET) Frankenstein Monster M712 283cc LS7 12 Degree Cylinder Head Pair Fits 4.100" and Larger Bore LS Engines when used with a Square Port (LS7) Style Intake Manifold In Stock, Ready to Ship! The Monster Series M712 283cc LS7 Cylinder Heads are engineered... MSRP: Now: $3,555.00 Add to Cart Compare Quick view Frankenstein Engine Dynamics Frankenstein Monster Series M311 273cc 11 Degree LS3 Cylinder Heads (SET) Frankenstein M311 Monster Series 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! The Monster Series M311 273cc LS3 Cylinder Heads are... MSRP: Was: Now: $3,333.00 - $3,478.00 Choose Options Compare Quick view Michigan Motorsports Michigan Motorsports Blue LS Oil Fill Cap - CNC Billet Aluminum 4.8L 5.3L 5.7L 6.0L 6.2L Michigan Motorsports Billet LS Oil Fill Cap Blue powder coated finish with MM Logo This Michigan Motorsports Oil Fill Cap is a great way to upgrade the appearance of your engine bay. CNC Machined in the USA from high quality 6061 Aluminum and... MSRP: Now: $29.99 Add to Cart Compare Quick view Michigan Motorsports Stock Replacement 2.00"/1.55" LS Valve Set for LS1 LS2 LS6 LQ4 LQ9 LC9 LMG Cathedral Port 243 799 317 241 853 806 Heads 2.000" 1.550" Michigan Motorsports 2.00"/1.55" Stock Replacement Valve Set Fits 1997-2013 Cathedral Port LS Heads EXCEPT 706 and 862 Castings Compatible with Casting Numbers 243 799 317 241 853 806 Includes 8 x 2.000" Intake Valves and 8 x 1.550" Exhaust... MSRP: Now: $144.99 Out of stock Compare Quick view Michigan Motorsports Stock Replacement 1.89"/1.55" LS Valve Set for LM7 L59 LR4 LM4 4.8L 5.3L 1.890" 1.550" Michigan Motorsports 1.89"/1.55" Stock Replacement Valve Set Fits 1999-2006 Cathedral Port Head Casting Numbers 706 862 Fits Engine Codes: LM7 L59 LR4 LM4 Includes 8 x 1.890" Intake Valves and 8 x 1.550" Exhaust Valves Michigan Motorsports'... MSRP: Now: $139.99 Out of stock Compare Quick view Michigan Motorsports Stainless 2.165"/1.59" High Performance Valve Set for L99 L76 L77 L92 LY6 L94 L9H L96 Rec Port LS Heads 821 823 5364 Michigan Motorsports Stainless High Performance 2.165"/1.590" Valve Set Fits 2007-Later Rectangle Port Head Casting Numbers 821 823 5364 Fits Engine Codes: L99 L76 L77 L92 LY6 L9H L94 L96 Includes 8 Intake Valves an 8 Exhaust Valves Michigan... MSRP: Now: $229.99 Out of stock Compare Quick view Michigan Motorsports Stainless 1.89"/1.55" High Performance LS Valve Set - LM7 L59 LR4 LM4 4.8L 5.3L Michigan Motorsports 1.89"/1.55" Stainless High Performance Valve Set Fits 1999-2006 Cathedral Port Head Casting Numbers 706 862 Fits Engine Codes: LM7 L59 LR4 LM4 Includes 8 x 1.890" Intake Valves and 8 x 1.550" Exhaust Valves Michigan... MSRP: Now: $219.99 Out of stock Compare Previous 1 2 3 4 5 6 Next Previous 1 2 3 4 5 6 Next Compare Selected × OK
Quick view Details Michigan Motorsports Stainless 1.89"/1.55" High Performance LS Valve Set - LM7 L59 LR4 LM4 4.8L 5.3L MSRP: Now: $219.99 Out of stock Compare Quick view GM GM 12629513 Intake Valves for 2014+ L86 L87 LT1 LT2 6.2L Gen V Engines Genuine GM 12629513 Intake Valve Fits 2014-Newer L86 L87 LT1 LT2 6.2L Engines Choose Quantity for a Single Valve or Set of 8 Valves Genuine GM stock replacement Intake Valve for Gen V LT-based 6.2L engines. 2.126" Head Diameter, Hollow Stem... MSRP: Was: Now: $27.99 - $219.99 Choose Options Compare Quick view GM GM 12678746 Exhaust Valves for 2014+ L86 L87 LT1 LT4 6.2L Gen V Engines Genuine GM 12678746 Exhaust Valve Fits 2014-Newer L86 L87 LT1 LT4 6.2L Engines Choose Quantity for a Single Valve or Set of 8 Valves Genuine GM stock replacement Exhaust Valve for Gen V LT-based 6.2L engines. 1.59" Head Diameter, Sodium... MSRP: Was: Now: $31.99 - $249.99 Choose Options Compare Quick view GM GM 12678745 Exhaust Valves for 2014+ L83 L84 L82 L8B 5.3L Gen V Engines Genuine GM 12678745 Exhaust Valve Fits 2014-Newer L83 L84 L82 L8B 5.3L Truck/SUV Engines Choose Quantity for a Single Valve or Set of 8 Valves Genuine GM stock replacement Exhaust Valve for Gen V LT-based 5.3L engines. 1.556" Head Diameter 5... MSRP: Was: Now: $11.99 - $89.99 Choose Options Compare Quick view GM GM 12619825 Intake Valves for 2014+ L83 L84 L82 L8B 5.3L Gen V Engines Genuine GM 12619825 Intake Valve Fits 2014-Newer L83 L84 L82 L8B 5.3L Truck/SUV Engines Choose Quantity for a Single Valve or Set of 8 Valves Genuine GM stock replacement Intake Valve for Gen V LT-based 5.3L engines. 1.929" Head Diameter 5... MSRP: Was: Now: $9.99 - $74.99 Choose Options Compare Quick view Frankenstein Engine Dynamics Frankenstein Monster M115 235cc Cathedral Port Cylinder Heads (SET) 4.8L 5.3L 5.7L 6.0L LS1 LS2 LS6 LQ4 LQ9 LM7 LC9 L33 LH6 Frankenstein M115 Monster Series Cathedral Port LS1 Cylinder Head Pair Fits 3.780" and Larger Bore LS Engines when used with 4.030" or larger Head Gaskets Currently accepting pre-orders. Expected to ship Early May The Monster Series M115 235cc LS1... MSRP: Now: $3,555.00 Add to Cart Compare Quick view Frankenstein Engine Dynamics Frankenstein Monster Series M712 283cc 12 Degree LS7 Cylinder Heads (SET) Frankenstein Monster M712 283cc LS7 12 Degree Cylinder Head Pair Fits 4.100" and Larger Bore LS Engines when used with a Square Port (LS7) Style Intake Manifold In Stock, Ready to Ship! The Monster Series M712 283cc LS7 Cylinder Heads are engineered... MSRP: Now: $3,555.00 Add to Cart Compare Quick view Frankenstein Engine Dynamics Frankenstein Monster Series M311 273cc 11 Degree LS3 Cylinder Heads (SET) Frankenstein M311 Monster Series 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! The Monster Series M311 273cc LS3 Cylinder Heads are... MSRP: Was: Now: $3,333.00 - $3,478.00 Choose Options Compare Quick view Michigan Motorsports Michigan Motorsports Blue LS Oil Fill Cap - CNC Billet Aluminum 4.8L 5.3L 5.7L 6.0L 6.2L Michigan Motorsports Billet LS Oil Fill Cap Blue powder coated finish with MM Logo This Michigan Motorsports Oil Fill Cap is a great way to upgrade the appearance of your engine bay. CNC Machined in the USA from high quality 6061 Aluminum and... MSRP: Now: $29.99 Add to Cart Compare Quick view Michigan Motorsports Stock Replacement 2.00"/1.55" LS Valve Set for LS1 LS2 LS6 LQ4 LQ9 LC9 LMG Cathedral Port 243 799 317 241 853 806 Heads 2.000" 1.550" Michigan Motorsports 2.00"/1.55" Stock Replacement Valve Set Fits 1997-2013 Cathedral Port LS Heads EXCEPT 706 and 862 Castings Compatible with Casting Numbers 243 799 317 241 853 806 Includes 8 x 2.000" Intake Valves and 8 x 1.550" Exhaust... MSRP: Now: $144.99 Out of stock Compare Quick view Michigan Motorsports Stock Replacement 1.89"/1.55" LS Valve Set for LM7 L59 LR4 LM4 4.8L 5.3L 1.890" 1.550" Michigan Motorsports 1.89"/1.55" Stock Replacement Valve Set Fits 1999-2006 Cathedral Port Head Casting Numbers 706 862 Fits Engine Codes: LM7 L59 LR4 LM4 Includes 8 x 1.890" Intake Valves and 8 x 1.550" Exhaust Valves Michigan Motorsports'... MSRP: Now: $139.99 Out of stock Compare Quick view Michigan Motorsports Stainless 2.165"/1.59" High Performance Valve Set for L99 L76 L77 L92 LY6 L94 L9H L96 Rec Port LS Heads 821 823 5364 Michigan Motorsports Stainless High Performance 2.165"/1.590" Valve Set Fits 2007-Later Rectangle Port Head Casting Numbers 821 823 5364 Fits Engine Codes: L99 L76 L77 L92 LY6 L9H L94 L96 Includes 8 Intake Valves an 8 Exhaust Valves Michigan... MSRP: Now: $229.99 Out of stock Compare Quick view Michigan Motorsports Stainless 1.89"/1.55" High Performance LS Valve Set - LM7 L59 LR4 LM4 4.8L 5.3L Michigan Motorsports 1.89"/1.55" Stainless High Performance Valve Set Fits 1999-2006 Cathedral Port Head Casting Numbers 706 862 Fits Engine Codes: LM7 L59 LR4 LM4 Includes 8 x 1.890" Intake Valves and 8 x 1.550" Exhaust Valves Michigan... MSRP: Now: $219.99 Out of stock Compare Previous 1 2 3 4 5 6 Next Previous 1 2 3 4 5 6 Next Compare Selected × OK
Quick view GM GM 12629513 Intake Valves for 2014+ L86 L87 LT1 LT2 6.2L Gen V Engines Genuine GM 12629513 Intake Valve Fits 2014-Newer L86 L87 LT1 LT2 6.2L Engines Choose Quantity for a Single Valve or Set of 8 Valves Genuine GM stock replacement Intake Valve for Gen V LT-based 6.2L engines. 2.126" Head Diameter, Hollow Stem... MSRP: Was: Now: $27.99 - $219.99 Choose Options Compare
Quick view GM GM 12678746 Exhaust Valves for 2014+ L86 L87 LT1 LT4 6.2L Gen V Engines Genuine GM 12678746 Exhaust Valve Fits 2014-Newer L86 L87 LT1 LT4 6.2L Engines Choose Quantity for a Single Valve or Set of 8 Valves Genuine GM stock replacement Exhaust Valve for Gen V LT-based 6.2L engines. 1.59" Head Diameter, Sodium... MSRP: Was: Now: $31.99 - $249.99 Choose Options Compare
Quick view GM GM 12678745 Exhaust Valves for 2014+ L83 L84 L82 L8B 5.3L Gen V Engines Genuine GM 12678745 Exhaust Valve Fits 2014-Newer L83 L84 L82 L8B 5.3L Truck/SUV Engines Choose Quantity for a Single Valve or Set of 8 Valves Genuine GM stock replacement Exhaust Valve for Gen V LT-based 5.3L engines. 1.556" Head Diameter 5... MSRP: Was: Now: $11.99 - $89.99 Choose Options Compare
Quick view GM GM 12619825 Intake Valves for 2014+ L83 L84 L82 L8B 5.3L Gen V Engines Genuine GM 12619825 Intake Valve Fits 2014-Newer L83 L84 L82 L8B 5.3L Truck/SUV Engines Choose Quantity for a Single Valve or Set of 8 Valves Genuine GM stock replacement Intake Valve for Gen V LT-based 5.3L engines. 1.929" Head Diameter 5... MSRP: Was: Now: $9.99 - $74.99 Choose Options Compare
Quick view Frankenstein Engine Dynamics Frankenstein Monster M115 235cc Cathedral Port Cylinder Heads (SET) 4.8L 5.3L 5.7L 6.0L LS1 LS2 LS6 LQ4 LQ9 LM7 LC9 L33 LH6 Frankenstein M115 Monster Series Cathedral Port LS1 Cylinder Head Pair Fits 3.780" and Larger Bore LS Engines when used with 4.030" or larger Head Gaskets Currently accepting pre-orders. Expected to ship Early May The Monster Series M115 235cc LS1... MSRP: Now: $3,555.00 Add to Cart Compare Quick view Frankenstein Engine Dynamics Frankenstein Monster Series M712 283cc 12 Degree LS7 Cylinder Heads (SET) Frankenstein Monster M712 283cc LS7 12 Degree Cylinder Head Pair Fits 4.100" and Larger Bore LS Engines when used with a Square Port (LS7) Style Intake Manifold In Stock, Ready to Ship! The Monster Series M712 283cc LS7 Cylinder Heads are engineered... MSRP: Now: $3,555.00 Add to Cart Compare Quick view Frankenstein Engine Dynamics Frankenstein Monster Series M311 273cc 11 Degree LS3 Cylinder Heads (SET) Frankenstein M311 Monster Series 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! The Monster Series M311 273cc LS3 Cylinder Heads are... MSRP: Was: Now: $3,333.00 - $3,478.00 Choose Options Compare Quick view Michigan Motorsports Michigan Motorsports Blue LS Oil Fill Cap - CNC Billet Aluminum 4.8L 5.3L 5.7L 6.0L 6.2L Michigan Motorsports Billet LS Oil Fill Cap Blue powder coated finish with MM Logo This Michigan Motorsports Oil Fill Cap is a great way to upgrade the appearance of your engine bay. CNC Machined in the USA from high quality 6061 Aluminum and... MSRP: Now: $29.99 Add to Cart Compare Quick view Michigan Motorsports Stock Replacement 2.00"/1.55" LS Valve Set for LS1 LS2 LS6 LQ4 LQ9 LC9 LMG Cathedral Port 243 799 317 241 853 806 Heads 2.000" 1.550" Michigan Motorsports 2.00"/1.55" Stock Replacement Valve Set Fits 1997-2013 Cathedral Port LS Heads EXCEPT 706 and 862 Castings Compatible with Casting Numbers 243 799 317 241 853 806 Includes 8 x 2.000" Intake Valves and 8 x 1.550" Exhaust... MSRP: Now: $144.99 Out of stock Compare Quick view Michigan Motorsports Stock Replacement 1.89"/1.55" LS Valve Set for LM7 L59 LR4 LM4 4.8L 5.3L 1.890" 1.550" Michigan Motorsports 1.89"/1.55" Stock Replacement Valve Set Fits 1999-2006 Cathedral Port Head Casting Numbers 706 862 Fits Engine Codes: LM7 L59 LR4 LM4 Includes 8 x 1.890" Intake Valves and 8 x 1.550" Exhaust Valves Michigan Motorsports'... MSRP: Now: $139.99 Out of stock Compare Quick view Michigan Motorsports Stainless 2.165"/1.59" High Performance Valve Set for L99 L76 L77 L92 LY6 L94 L9H L96 Rec Port LS Heads 821 823 5364 Michigan Motorsports Stainless High Performance 2.165"/1.590" Valve Set Fits 2007-Later Rectangle Port Head Casting Numbers 821 823 5364 Fits Engine Codes: L99 L76 L77 L92 LY6 L9H L94 L96 Includes 8 Intake Valves an 8 Exhaust Valves Michigan... MSRP: Now: $229.99 Out of stock Compare Quick view Michigan Motorsports Stainless 1.89"/1.55" High Performance LS Valve Set - LM7 L59 LR4 LM4 4.8L 5.3L Michigan Motorsports 1.89"/1.55" Stainless High Performance Valve Set Fits 1999-2006 Cathedral Port Head Casting Numbers 706 862 Fits Engine Codes: LM7 L59 LR4 LM4 Includes 8 x 1.890" Intake Valves and 8 x 1.550" Exhaust Valves Michigan... MSRP: Now: $219.99 Out of stock Compare Previous 1 2 3 4 5 6 Next Previous 1 2 3 4 5 6 Next Compare Selected × OK
Quick view Frankenstein Engine Dynamics Frankenstein Monster Series M712 283cc 12 Degree LS7 Cylinder Heads (SET) Frankenstein Monster M712 283cc LS7 12 Degree Cylinder Head Pair Fits 4.100" and Larger Bore LS Engines when used with a Square Port (LS7) Style Intake Manifold In Stock, Ready to Ship! The Monster Series M712 283cc LS7 Cylinder Heads are engineered... MSRP: Now: $3,555.00 Add to Cart Compare Quick view Frankenstein Engine Dynamics Frankenstein Monster Series M311 273cc 11 Degree LS3 Cylinder Heads (SET) Frankenstein M311 Monster Series 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! The Monster Series M311 273cc LS3 Cylinder Heads are... MSRP: Was: Now: $3,333.00 - $3,478.00 Choose Options Compare Quick view Michigan Motorsports Michigan Motorsports Blue LS Oil Fill Cap - CNC Billet Aluminum 4.8L 5.3L 5.7L 6.0L 6.2L Michigan Motorsports Billet LS Oil Fill Cap Blue powder coated finish with MM Logo This Michigan Motorsports Oil Fill Cap is a great way to upgrade the appearance of your engine bay. CNC Machined in the USA from high quality 6061 Aluminum and... MSRP: Now: $29.99 Add to Cart Compare Quick view Michigan Motorsports Stock Replacement 2.00"/1.55" LS Valve Set for LS1 LS2 LS6 LQ4 LQ9 LC9 LMG Cathedral Port 243 799 317 241 853 806 Heads 2.000" 1.550" Michigan Motorsports 2.00"/1.55" Stock Replacement Valve Set Fits 1997-2013 Cathedral Port LS Heads EXCEPT 706 and 862 Castings Compatible with Casting Numbers 243 799 317 241 853 806 Includes 8 x 2.000" Intake Valves and 8 x 1.550" Exhaust... MSRP: Now: $144.99 Out of stock Compare Quick view Michigan Motorsports Stock Replacement 1.89"/1.55" LS Valve Set for LM7 L59 LR4 LM4 4.8L 5.3L 1.890" 1.550" Michigan Motorsports 1.89"/1.55" Stock Replacement Valve Set Fits 1999-2006 Cathedral Port Head Casting Numbers 706 862 Fits Engine Codes: LM7 L59 LR4 LM4 Includes 8 x 1.890" Intake Valves and 8 x 1.550" Exhaust Valves Michigan Motorsports'... MSRP: Now: $139.99 Out of stock Compare Quick view Michigan Motorsports Stainless 2.165"/1.59" High Performance Valve Set for L99 L76 L77 L92 LY6 L94 L9H L96 Rec Port LS Heads 821 823 5364 Michigan Motorsports Stainless High Performance 2.165"/1.590" Valve Set Fits 2007-Later Rectangle Port Head Casting Numbers 821 823 5364 Fits Engine Codes: L99 L76 L77 L92 LY6 L9H L94 L96 Includes 8 Intake Valves an 8 Exhaust Valves Michigan... MSRP: Now: $229.99 Out of stock Compare Quick view Michigan Motorsports Stainless 1.89"/1.55" High Performance LS Valve Set - LM7 L59 LR4 LM4 4.8L 5.3L Michigan Motorsports 1.89"/1.55" Stainless High Performance Valve Set Fits 1999-2006 Cathedral Port Head Casting Numbers 706 862 Fits Engine Codes: LM7 L59 LR4 LM4 Includes 8 x 1.890" Intake Valves and 8 x 1.550" Exhaust Valves Michigan... MSRP: Now: $219.99 Out of stock Compare Previous 1 2 3 4 5 6 Next Previous 1 2 3 4 5 6 Next Compare Selected × OK
Quick view Frankenstein Engine Dynamics Frankenstein Monster Series M311 273cc 11 Degree LS3 Cylinder Heads (SET) Frankenstein M311 Monster Series 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! The Monster Series M311 273cc LS3 Cylinder Heads are... MSRP: Was: Now: $3,333.00 - $3,478.00 Choose Options Compare
Quick view Michigan Motorsports Michigan Motorsports Blue LS Oil Fill Cap - CNC Billet Aluminum 4.8L 5.3L 5.7L 6.0L 6.2L Michigan Motorsports Billet LS Oil Fill Cap Blue powder coated finish with MM Logo This Michigan Motorsports Oil Fill Cap is a great way to upgrade the appearance of your engine bay. CNC Machined in the USA from high quality 6061 Aluminum and... MSRP: Now: $29.99 Add to Cart Compare Quick view Michigan Motorsports Stock Replacement 2.00"/1.55" LS Valve Set for LS1 LS2 LS6 LQ4 LQ9 LC9 LMG Cathedral Port 243 799 317 241 853 806 Heads 2.000" 1.550" Michigan Motorsports 2.00"/1.55" Stock Replacement Valve Set Fits 1997-2013 Cathedral Port LS Heads EXCEPT 706 and 862 Castings Compatible with Casting Numbers 243 799 317 241 853 806 Includes 8 x 2.000" Intake Valves and 8 x 1.550" Exhaust... MSRP: Now: $144.99 Out of stock Compare Quick view Michigan Motorsports Stock Replacement 1.89"/1.55" LS Valve Set for LM7 L59 LR4 LM4 4.8L 5.3L 1.890" 1.550" Michigan Motorsports 1.89"/1.55" Stock Replacement Valve Set Fits 1999-2006 Cathedral Port Head Casting Numbers 706 862 Fits Engine Codes: LM7 L59 LR4 LM4 Includes 8 x 1.890" Intake Valves and 8 x 1.550" Exhaust Valves Michigan Motorsports'... MSRP: Now: $139.99 Out of stock Compare Quick view Michigan Motorsports Stainless 2.165"/1.59" High Performance Valve Set for L99 L76 L77 L92 LY6 L94 L9H L96 Rec Port LS Heads 821 823 5364 Michigan Motorsports Stainless High Performance 2.165"/1.590" Valve Set Fits 2007-Later Rectangle Port Head Casting Numbers 821 823 5364 Fits Engine Codes: L99 L76 L77 L92 LY6 L9H L94 L96 Includes 8 Intake Valves an 8 Exhaust Valves Michigan... MSRP: Now: $229.99 Out of stock Compare Quick view Michigan Motorsports Stainless 1.89"/1.55" High Performance LS Valve Set - LM7 L59 LR4 LM4 4.8L 5.3L Michigan Motorsports 1.89"/1.55" Stainless High Performance Valve Set Fits 1999-2006 Cathedral Port Head Casting Numbers 706 862 Fits Engine Codes: LM7 L59 LR4 LM4 Includes 8 x 1.890" Intake Valves and 8 x 1.550" Exhaust Valves Michigan... MSRP: Now: $219.99 Out of stock Compare Previous 1 2 3 4 5 6 Next Previous 1 2 3 4 5 6 Next Compare Selected × OK
Quick view Michigan Motorsports Stock Replacement 2.00"/1.55" LS Valve Set for LS1 LS2 LS6 LQ4 LQ9 LC9 LMG Cathedral Port 243 799 317 241 853 806 Heads 2.000" 1.550" Michigan Motorsports 2.00"/1.55" Stock Replacement Valve Set Fits 1997-2013 Cathedral Port LS Heads EXCEPT 706 and 862 Castings Compatible with Casting Numbers 243 799 317 241 853 806 Includes 8 x 2.000" Intake Valves and 8 x 1.550" Exhaust... MSRP: Now: $144.99 Out of stock Compare Quick view Michigan Motorsports Stock Replacement 1.89"/1.55" LS Valve Set for LM7 L59 LR4 LM4 4.8L 5.3L 1.890" 1.550" Michigan Motorsports 1.89"/1.55" Stock Replacement Valve Set Fits 1999-2006 Cathedral Port Head Casting Numbers 706 862 Fits Engine Codes: LM7 L59 LR4 LM4 Includes 8 x 1.890" Intake Valves and 8 x 1.550" Exhaust Valves Michigan Motorsports'... MSRP: Now: $139.99 Out of stock Compare Quick view Michigan Motorsports Stainless 2.165"/1.59" High Performance Valve Set for L99 L76 L77 L92 LY6 L94 L9H L96 Rec Port LS Heads 821 823 5364 Michigan Motorsports Stainless High Performance 2.165"/1.590" Valve Set Fits 2007-Later Rectangle Port Head Casting Numbers 821 823 5364 Fits Engine Codes: L99 L76 L77 L92 LY6 L9H L94 L96 Includes 8 Intake Valves an 8 Exhaust Valves Michigan... MSRP: Now: $229.99 Out of stock Compare Quick view Michigan Motorsports Stainless 1.89"/1.55" High Performance LS Valve Set - LM7 L59 LR4 LM4 4.8L 5.3L Michigan Motorsports 1.89"/1.55" Stainless High Performance Valve Set Fits 1999-2006 Cathedral Port Head Casting Numbers 706 862 Fits Engine Codes: LM7 L59 LR4 LM4 Includes 8 x 1.890" Intake Valves and 8 x 1.550" Exhaust Valves Michigan... MSRP: Now: $219.99 Out of stock Compare Previous 1 2 3 4 5 6 Next Previous 1 2 3 4 5 6 Next Compare Selected × OK
Quick view Michigan Motorsports Stock Replacement 1.89"/1.55" LS Valve Set for LM7 L59 LR4 LM4 4.8L 5.3L 1.890" 1.550" Michigan Motorsports 1.89"/1.55" Stock Replacement Valve Set Fits 1999-2006 Cathedral Port Head Casting Numbers 706 862 Fits Engine Codes: LM7 L59 LR4 LM4 Includes 8 x 1.890" Intake Valves and 8 x 1.550" Exhaust Valves Michigan Motorsports'... MSRP: Now: $139.99 Out of stock Compare Quick view Michigan Motorsports Stainless 2.165"/1.59" High Performance Valve Set for L99 L76 L77 L92 LY6 L94 L9H L96 Rec Port LS Heads 821 823 5364 Michigan Motorsports Stainless High Performance 2.165"/1.590" Valve Set Fits 2007-Later Rectangle Port Head Casting Numbers 821 823 5364 Fits Engine Codes: L99 L76 L77 L92 LY6 L9H L94 L96 Includes 8 Intake Valves an 8 Exhaust Valves Michigan... MSRP: Now: $229.99 Out of stock Compare Quick view Michigan Motorsports Stainless 1.89"/1.55" High Performance LS Valve Set - LM7 L59 LR4 LM4 4.8L 5.3L Michigan Motorsports 1.89"/1.55" Stainless High Performance Valve Set Fits 1999-2006 Cathedral Port Head Casting Numbers 706 862 Fits Engine Codes: LM7 L59 LR4 LM4 Includes 8 x 1.890" Intake Valves and 8 x 1.550" Exhaust Valves Michigan... MSRP: Now: $219.99 Out of stock Compare Previous 1 2 3 4 5 6 Next Previous 1 2 3 4 5 6 Next Compare Selected × OK
Quick view Michigan Motorsports Stainless 2.165"/1.59" High Performance Valve Set for L99 L76 L77 L92 LY6 L94 L9H L96 Rec Port LS Heads 821 823 5364 Michigan Motorsports Stainless High Performance 2.165"/1.590" Valve Set Fits 2007-Later Rectangle Port Head Casting Numbers 821 823 5364 Fits Engine Codes: L99 L76 L77 L92 LY6 L9H L94 L96 Includes 8 Intake Valves an 8 Exhaust Valves Michigan... MSRP: Now: $229.99 Out of stock Compare Quick view Michigan Motorsports Stainless 1.89"/1.55" High Performance LS Valve Set - LM7 L59 LR4 LM4 4.8L 5.3L Michigan Motorsports 1.89"/1.55" Stainless High Performance Valve Set Fits 1999-2006 Cathedral Port Head Casting Numbers 706 862 Fits Engine Codes: LM7 L59 LR4 LM4 Includes 8 x 1.890" Intake Valves and 8 x 1.550" Exhaust Valves Michigan... MSRP: Now: $219.99 Out of stock Compare Previous 1 2 3 4 5 6 Next Previous 1 2 3 4 5 6 Next Compare Selected
Quick view Michigan Motorsports Stainless 1.89"/1.55" High Performance LS Valve Set - LM7 L59 LR4 LM4 4.8L 5.3L Michigan Motorsports 1.89"/1.55" Stainless High Performance Valve Set Fits 1999-2006 Cathedral Port Head Casting Numbers 706 862 Fits Engine Codes: LM7 L59 LR4 LM4 Includes 8 x 1.890" Intake Valves and 8 x 1.550" Exhaust Valves Michigan... MSRP: Now: $219.99 Out of stock Compare Previous 1 2 3 4 5 6 Next Previous 1 2 3 4 5 6 Next Compare Selected