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The Cometic MLS head gasket for GM LS1/LS2/LS3/LS6 Gen‑3/4 small‑block V8 engines (4.160" bore, 0.027" compressed thickness) features multiple embossed stainless steel layers with Viton‑coated outer faces to provide sealant‑free sealing for high‑output applications. It fits aluminum heads with aluminum or cast‑iron blocks and resists shear between materials. An uncoated stainless center shim controls thickness while embossed layers conform load distribution and reduce required clamp force.
Cometic GM LS1 SB 4.160 inch Bore .027 inch MLS Head Gasket
