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Cometic’s MLS head gasket for Chevrolet Gen‑1 Small Block V8 (4.100" bore, .030" compressed thickness) uses multiple embossed stainless-steel layers with Viton-coated outer faces and an uncoated shim center layer. The multi-layer steel construction is specified to provide strong sealing for aluminum-to-aluminum or aluminum-to-iron combinations and to perform without sealants while resisting corrosion and bore distortion.
Cometic Chevy Gen-1 Small Block 4.100 inch Bore .030 inch MLS Head Gasket (18 or 23 Deg. Heads)
