Cylinder Heads

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...

LSXceleration Inconel 8mm x 1.550 LS Exhaust Valves 15-31550-8 Inconel LS Valve 1.550" 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 1.550 LS Exhaust Valve 15-31550-1 Inconel LS Valve 1.550" 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...

Cometic Dart LS Next 4.200 Bore MLx Head Gasket C15363-060, Left Side Dart LS Next 4.200" Bore. 0.060" Compressed Thickness MLx Gaskets utilize an integrated "stopper" layer for combustion chamber sealing and improved clamp load around the cylinder...

Cometic Dart LS Next 4.200 Bore MLx Head Gasket C15362-060, Right Side Dart LS Next 4.200" Bore. 0.060" Compressed Thickness MLx Gaskets utilize an integrated "stopper" layer for combustion chamber sealing and improved clamp load around the cylinder...

Cometic Dart LS Next 4.200 Bore MLx Head Gasket C15363-044, Left Side Dart LS Next 4.200" Bore. 0.044" Compressed Thickness MLx Gaskets utilize an integrated "stopper" layer for combustion chamber sealing and improved clamp load around the cylinder...

Cometic Dart LS Next 4.200 Bore MLX Head Gasket C15362-044, Right Side Dart LS Next 4.200" Bore. 0.044" Compressed Thickness MLx Gaskets utilize an integrated "stopper" layer for combustion chamber sealing and improved clamp load around the cylinder...

SCE LS 4.056 Bore Vulcan Cut-Ring Head Gasket CR200559 LS 4.056" Gasket Bore x 0.059" Compressed Thickness. Sold individually. A hybrid design forged to harness the best sealing properties of two head gasket types. COMPOSITE - Pliable, perforated...

SCE LS 4.150 Bore Vulcan Cut-Ring Head Gasket CR201559 LS 4.150" Gasket Bore x 0.059" Compressed Thickness. Sold individually. A hybrid design forged to harness the best sealing properties of two head gasket types. COMPOSITE - Pliable, perforated...

Cometic LS 3/4 V8 Small Block 4.100 Bore Copper Head Gasket - .050" C15408-050  Cometic copper head gaskets create a tight seal you can depend on. These gaskets are made out of a premium soft copper that is specifically designed to create a seal...

LSXceleration GM LS3 MLS 5-Layer Head Gasket Set 14-10046-2 4.094" (104mm) bore x .052" (1.33mm) thickness x 5-layer MLS. Same as Chevrolet Performance 12610046.    

Cometic LS 4.000 Bore MLS Head Gasket C5477-045 LS 4.000" Bore. 0.045" 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...