Cylinder Heads

SCE Gen III/IV LS 4.130 Bore MLS Head Gasket M201351 Gen III/IV LS 4.130" Gasket Bore x 0.051" Compressed Thickness. Sold individually. Gas-Stopper option provides greater sealing capability Proprietary coating provides superior cold...

SCE Gen III/IV LS 4.130 Bore MLS Head Gasket M201339 Gen III/IV LS 4.130" Gasket Bore x 0.039" Compressed Thickness. Sold individually. Gas-Stopper option provides greater sealing capability Proprietary coating provides superior cold...

SCE Gen III/IV LS 4.099 Bore MLS Head Gasket M201051 Gen III/IV LS 4.099" Gasket Bore x 0.051" Compressed Thickness. Sold individually. Gas-Stopper option provides greater sealing capability Proprietary coating provides superior cold...

SCE Gen III/IV LS 4.099 Bore MLS Head Gasket M201039 Gen III/IV LS 4.099" Gasket Bore x 0.039" Compressed Thickness. Sold individually. Gas-Stopper option provides greater sealing capability Proprietary coating provides superior cold...

SCE Gen III/IV LS 3.870 Bore Vulcan Cut-Ring Head Gasket CR208959 Gen III/IV LS 3.870" Gasket Bore x 0.059" Compressed Thickness. Sold individually. No Sealant Needed! 16:1 Static Compression Ratio No Special Machining Required 35 lbs. Forced...

LSXceleration 4.8/5.3/5.7L Small Bore LS9 MLS 7-Layer Head Gasket 14-22034 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 smaller...

LSXceleration GM Gen V 6.6L L8T MLS Head Gasket 14-88186 (Like GM 12688186) 4.0944" (104mm) bore x .0523" (1.33mm) thickness.    

Chevrolet Performance GM Gen V LT1/L86 6.2L MLS 5-Layer Head Gasket 12688943 4.0944" (104mm) bore x .0523" (1.33mm) thickness x 5-layer MLS.     

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 the USA    

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 the USA    

Ferrea Competition Plus Hollow Stem 8mm x 1.615 LS7 Exhaust Valves These Hollow Stem Lightweight Valves are manufactured with a unique process that gun drill and micro polish the hollow stem cavity. These valves achieve a weight reduction of...

Ferrea Competition Plus 8mm x 1.615 x 24 Degree LS7 Exhaust Valves Ferrea Competiton Plus is their best quality racing valve series, engineered for high rpm, high horsepower, racing engines. They have unique features that enhance airflow. This series of...