Cometic GM LSX Gen-4 Small Block V8 .040in MLX Cyl Head Gskt-4.165in Bore-1/2in and 3/8in Studs-LHS

The HP shim technology increases clampload around the combustion chamber, thereby increasing the sealability of the head gasket around the open deck block.

• Improved clamp load around the cylinder without increasing bore distortion
• Embossed Outer Layers Coated w/Viton