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Cometic MLS cylinder head gasket for GM LS Gen‑3/4 small‑block V8 with a 4.000‑inch bore. Constructed from multiple embossed stainless steel layers with Viton‑coated outer faces and an uncoated stainless shim center, the gasket rebounds to resist corrosion and tolerates aluminum‑to‑aluminum and aluminum‑to‑cast‑iron applications. Compressed operating thickness is 0.036" and the MLS design provides strong sealing without additional sealants.
Cometic GM LS1 SB 4.000 inch Bore .030 inch MLS Head Gasket
