Cylinder Heads

LSXceleration Inconel 8mm x 1.570 LS Exhaust Valve +0.500 Long   Inconel LS Valve 1.570" Head x 8mm Stem x 5.450" OAL x 0.290" Tip Features: Hardened Stem Tip Ideal for Extreme Duty and Turbo Applications Chrome Plated Stem Fully...

Chevrolet Performance GM Gen V 6.2L 2.126" Intake Valve - 12629513 Ideal For GM Gen V 6.2 L LT-series engines (LT1, LT2, L86, L87)  High-performance rebuilds, engine overhauls, or factory-correct replacements Engine builders, performance...

Chevrolet Performance GM Gen V 6.2L 1.590" Exhaust Valve - 12678746   Ideal For:   GM Gen V 6.2 L LT-series engines (LT1, LT4, LT5, L86, L87) High-performance rebuilds and cylinder-head overhauls Factory-correct replacements using...

Chevrolet Performance GM LT4/LT5 Titanium Intake Valve - 12650770                                                  

Cometic Gen VI LT6 Small Block V8 4.165 Bore MLX Head Gasket C15753-041, Left Side Chevrolet LT6 Gen-6 Small Block V8 .041" MLX Cylinder Head Gasket, 4.165" Bore, LHS  Cometic introduces new MLS gaskets engineered for Chevrolet’s...

Cometic Gen VI LT6 Small Block V8 4.165 Bore MLX Head Gasket C15752-041, Right Side Chevrolet LT6 Gen-6 Small Block V8 .041" MLX Cylinder Head Gasket, 4.165" Bore, RHS  Cometic introduces new MLS gaskets engineered for Chevrolet’s...

AFR LS3 Enforcer 238cc Cylinder Heads As Cast AFR's 238 LS3 Enforcer Cylinder heads feature Permanent Mold “As-Cast” Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and...

LSXceleration 4.8L 5.3L 5.7L LS MLS Head Gasket 14-89226 (Like GM 12589226) 3.937" Bore x 0.052" Compressed Thickness Multi-layer steel (MLS) cylinder head gasket. Made in the USA    

LSXceleration Gen V LT4 MLS 7-Layer Head Gasket Set of 2 14-54622-2 (Like GM 12654622) 4.0944" (104mm) bore x .053" (1.35mm) thickness x 7-layer MLS This is an OEM LT4 head gasket. Works great for LT1 and L86 engines as well. Made in...

LSXceleration GM Gen V LT1/L86 6.2L MLS 5-Layer Head Gasket Set of 2 14-88943-2 (Like GM 12688943) 4.0944" (104mm) bore x .0523" (1.33mm) thickness x 5-layer MLS.  Made in the USA    

LSXceleration GM Gen V L83 5.3L MLS 5-Layer Head Gasket Set of 2 14-22325-2 (Like 12622325) 3.835" (97.4mm) bore x .052" (1.33mm) thickness x 5-layer MLS. Made in Germany.    

LSXceleration 4.8/5.3/5.7L Small Bore LS9 MLS 7-Layer Head Gaskets 14-22034-2 3.940" bore x .055" thickness x 7-layer MLS.  This head gasket allows small bore engines to have the same sealing power as the LS9 head gasket. It is essentially a...