Cylinder Heads

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 MX    

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 MX    

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...

Dart SHP Pro LS3 CNC Cylinder Head 129422 - 266cc Rectangle Port, Assembled 1.304” Dual Valve Springs for Solid Roller 70 CC Chamber .700 Max Lift Designed with an 11° valve angle, the SHP PRO 266cc cylinder head outperforms standard LS...

Dart SHP Pro LS3 CNC Cylinder Head 129421 - 266cc Rectangle Port, Assembled 1.295” Dual Valve Springs for Hydraulic Roller. 70CC Chamber .650 Max Lift Designed with an 11° valve angle, the SHP PRO 266cc cylinder head outperforms standard LS...

Dart SHP Pro LS3 CNC Cylinder Head 129411 - 266cc Rectangle Port, Bare Designed with an 11° valve angle, the SHP PRO 266cc cylinder head outperforms standard LS castings by improving airflow and efficiency while retaining compatibility with factory...

LSXceleration LS3 Billet Rocker Arm Stand 15-LS3RS Rocker arm stand for OEM LS3 Port Heads. This billet rocker stand replaces GM #12600936. Features: 6061 aircraft grade aluminum Made in the USA       

Cometic LS 4.070 Bore MLS Head Gasket C15514-051 LS 4.060" Bore. 0.051" Compressed Thickness  MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel. The embossed outer...

SCE LSX 3.950 Bore Titan Copper Head Gasket Right Side T199593R Gen III/IV LSX 3.950" Gasket Bore x 0.093" Compressed Thickness. Sold individually. O-Rings required in block or cylinder head. Titan= Pro-Copper + Bead Seals Coolant & oil seals...

SCE LSX 3.950 Bore Titan Copper Head Gasket Right Side T199580R Gen III/IV LSX 3.950" Gasket Bore x 0.080" Compressed Thickness. Sold individually. O-Rings required in block or cylinder head. Titan= Pro-Copper + Bead Seals Coolant & oil seals...