Cometic 17-18 GM LT1/LT4 Gen-V Small Block V8 4.200in Bore .040in MLX Cylinder Head Gasket

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

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