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The Cometic MLS head gasket for Chevrolet Gen-1 Small Block V8 with Vortec heads (4.165in bore) is listed with a compressed operating thickness of 0.036" and noted compatibility with some World Products blocks; it installs without sealants. Constructed from multiple embossed stainless steel layers with Viton-coated outer faces and an uncoated center shim, the gasket resists corrosion, rebounds under load, and evens clamp pressure to reduce bore distortion when mating dissimilar materials.
Cometic Chevy Gen1 Small Block V8 .066in MLS Cylinder Head Gasket - 4.165in Bore - Vortec Heads
