Cylinder Heads

LSXceleration MLS Head Gasket Set 14-98544 - 5.3L, 5.7L (Like GM 12498544) 3.937" Bore x 0.052" Compressed Thickness Multi-layer steel (MLS) cylinder head gaskets. Made in MX    

LSXceleration OE Replacemant Head Bolts for GM LS '04 & Up (Like GM # 17800568) One Kit Services Complete Engine Torque Procedure for GM LS Head Bolts #150568-KIT 1. Tighten 1 thru 10 to 22Ft-Lbs...

LSXceleration Stainless Steel 8mm x 1.550 LS Exhaust Valve 15-21550-1 Stainless Steel LS Valves 1.550" Head x 8mm Stem x 4.915" OAL x 0.160" Tip Features: Hardened Stem Tip

LSXceleration Stainless Steel 8mm x 2.000 LS Intake Valve 15-22000-1 Stainless Steel LS Valves 2.000" Head x 8mm Stem x 4.870" OAL x 0.160" Tip Features: Hardened Stem Tip

Earl's LS Steam Tube Kit LS0016ERL Steam Vent Adapters & kits. They are designed to eliminate trapped air and steam from your engine to prevent hot spots or overheating. The complete kits are...

Cometic Gen V L83 3.875 Bore MLx Head Gasket C15426-052 Gen V L83 3.875" Bore. 0.052" Compressed Thickness MLx Gaskets utilize an integrated "stopper" layer for combustion chamber sealing and...

LSXceleration GM Gen V LT1/L86 6.2L MLS 5-Layer Head Gasket 14-88943 (Like GM 12688943) 4.0944" (104mm) bore x .0523" (1.33mm) thickness x 5-layer MLS.  Made in MX    

Chevrolet Performance Gen V L83, L86, LT1, LT4 Head Bolt 11611976 1 needed per engine

Chevrolet Performance Gen V L83, L86, LT1, LT4 Head Bolt 11546959 19 needed per engine

LSXceleration Gen V L83, L86, LT1, LT4 Head Bolt Kit 1 kit needed per engine. 

LSXceleration GM Gen V L83 5.3L MLS 5-Layer Head Gasket 14-22325 (Like 12622325) 3.835" (97.4mm) bore x .052" (1.33mm) thickness x 5-layer MLS. Made in Germany.    

Dart Stainless Steel GM LS 2.165 Intake Valve 21392165 Dart stainless steel valves are designed to withstand the pressures of high-lift roller cams and feature a head design that promotes high flow...