Cometic GM LT1/LT4 V8 Gen-5 .071in MLX Cylinder Head Gasket - 4.150in Bore

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