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Cometic's MLS head gasket for Chevrolet Gen‑1 Small Block V8 provides robust sealing for performance applications. It fits a 4.200 in bore and is offered in a nominal 0.080 in thickness with a compressed operating thickness listed as 0.080 in, compatible with valve‑pocketed bores and steam holes. Constructed from embossed stainless steel layers with Viton‑coated outer faces and an uncoated shim center, the gasket resists corrosion, accommodates thickness variation, evens load across the sealing area, and reduces clamp load to help limit bore distortion.
Cometic Chevy Gen-1 Small Block V8 .080in MLS Cylinder Head Gasket - 4.200in Bore
