Cylinder Head Accessories

Cometic LS 4.160 Bore MLS Head Gasket C5318-051 LS 4.160" 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 layers of...

Cometic LSX 4.185 Bore MLS Head Gasket C5936-060, Left Side LSX 4.185" Bore. 0.060" Compressed Thickness MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel. The embossed outer...

LSXceleration Stainless Steel 8mm x 2.020 LS Intake Valve Set 15-22020-8 Stainless Steel LS Valves 2.020" Head x 8mm Stem x 4.870" OAL x 0.160" Tip x 45 degree seat angle Features: Hardened Stem Tip Chrome Plated Stem Fully Machined Surface Swirl...

Copy of LSXceleration Stainless Steel 8mm x 1.570 LS Exhaust Valve Set 15-21570-8 Stainless Steel LS Valves 1.570" Head x 8mm Stem x 4.915" OAL x 0.160" Tip x 45 degree valve seat angle Features: Hardened Stem Tip Chrome Plated Stem Fully Machined...

Cometic Gen V LT1/4 4.100 Bore MLx Head Gasket C5038-066 Gen V LT1/LT4 4.100" Bore. 0.066" Compressed Thickness MLx Gaskets utilize an integrated "stopper" layer for combustion chamber sealing and improved clamp load around the cylinder without...

Cometic LS 3.910 Bore MLS Head Gasket C5475-066 LS 3.910" Bore. 0.066" Compressed Thickness MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel. The embossed outer layers of...

Cometic LS 4.040 Bore MLx Head Gasket C5505-060 LS 4.040" Bore. 0.060" Compressed Thickness MLx Gaskets utilize an integrated "stopper" layer for combustion chamber sealing and improved clamp load around the cylinder without increasing bore distortion...

Cometic LS 4.130 Bore MLS Head Gasket C5317-070 LS 4.130" Bore. 0.070" Compressed Thickness MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel. The embossed outer layers of...

Optional 1/2" Head Stud Kit For Iron LS Next Block - 23 Bolt

GM LS 2004-2014 12-Point Head Bolt Kit TBS-002ERL Features & Benefits:  Material - Chromemoly Alloy Steel Yield Strength - 170,000 PSI Finish - Black Oxide Reduced Wrenching Size – Provides Extra Socket Clearance Choose Form 12-Point...

Chevrolet Performance GM LS9 MLSHead Gaskets 12622033 4.100" bore x .053" thickness x 7-layer MLS    

LSXceleration Titanium 8mm x 2.165 LS Intake Valve +0.500 Long   Titanium LS Valves 2.165" Head x 8mm Stem x 5.450" OAL x 0.290" Tip Features: Hardened Stem Tip Fully Machined Surface Swirl Polished Undercut Stem Titanium