Cylinder Head Accessories

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...

Ferrea Competition Plus 8mm x 1.600 x 24 Degree Gen V LT 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...

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.    

LSXceleration Inconel 8mm x 1.600 LS Exhaust Valves 15-31600-8 Inconel LS Valve 1.600" Head x 8mm Stem x 4.915" OAL x 0.160" Tip Features: Hardened Stem Tip Ideal for Extreme Duty and Turbo Applications Chrome Plated Stem Fully Machined...

LSXceleration Inconel 8mm x 1.600 LS Exhaust Valve 15-31600-1 Inconel LS Valve 1.600" Head x 8mm Stem x 4.915" OAL x 0.160" Tip Features: Hardened Stem Tip Ideal for Extreme Duty and Turbo Applications Chrome Plated Stem Fully Machined...

LSXceleration Inconel 8mm x 1.600 LS Exhaust Valve +0.500 Long   Inconel LS Valve 1.600" 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...

LSXceleration Stainless Steel 8mm x 1.600 LS Exhaust Valve +0.500 Long    Stainless Steel LS Valves 1.600" Head x 8mm Stem x 5.450" OAL x 0.290" Tip Features: Hardened Stem Tip Chrome Plated Stem Fully Machined Surface Swirl...