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Cometic MLS cylinder head gasket for Chevrolet Gen-1 small block V8, 4.004" bore and .040" thickness, compatible with 18/23 degree heads and valve-pocketed bores. Comprised of multiple embossed stainless steel layers with Viton-coated outer faces and an uncoated center shim, it resists corrosion, rebounds under load, and provides reliable sealing without sealants. Outer embossing and coating meet demanding flange conditions and varied surface finishes.
Cometic Chevy Gen1 Small Block V8 .040in MLS Cylinder Head Gasket - 4.004in Bore
