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Cometic MLS head gasket for Chevrolet Gen-1 Small Block V8, 4.125 in bore with compressed operating thickness of 0.066". It delivers multi-layer stainless sealing intended for high-output engines and does not require sealants. The gasket pairs embossed stainless outer layers coated with Viton and an uncoated center shim adaptable for thickness. Ideal for aluminum-to-aluminum or aluminum-to-cast-iron applications and noted for Brodix 12–23° heads.
Cometic Chevrolet Gen-1 Small Block V8 .066in MLS Cylinder Head Gasket - 4.125in Bore
