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Cometic’s MLS head gasket for GM LS Gen‑3/4 small block V8 applications covers LS1/LS2/LS3/LS6 engines with a 3.910" bore and .045" compressed thickness. Multiple embossed stainless steel layers with Viton‑coated outer faces provide strong sealing for aluminum head and block combinations, resist shear between materials, and remove the need for supplemental sealants while offering corrosion resistance and consistent clamp load distribution.
Cometic GM LS1 SB 3.910 inch Bore .045 inch MLS Head Gasket
