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The Cometic MLX cylinder head gasket for GM LSX Gen‑4 small block V8 is .040" thick with a 4.165" bore and supports both 1/2" and 3/8" studs on the right hand side. MLX and HP shim technology raise clamp load around the combustion chamber to improve sealability on open deck blocks; the embossed outer layers are coated with Viton to provide corrosion resistance and reliable sealing under varied loads.
Cometic GM LSX Gen-4 Small Block V8 .040in MLX Cyl Head Gskt-4.165in Bore-1/2in and 3/8in Studs-RHS
