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Cometic MLX cylinder head gasket for Chevrolet Gen‑1 small block V8, 4.220" bore and .040" compressed thickness, for All Pro heads with round bores. MLX gaskets include an integrated stopper layer for combustion sealing and improved clamp around the cylinder without added bore distortion. Made from multi-layer stainless materials similar to MLS, the MLX design requires no sealants or re‑torque and improves sealing at the combustion chamber perimeter.
Cometic Chevrolet Gen-1 Small Block V8 .040in MLX Cylinder 4.220in Bore Round Bore Head Gasket
