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This Cometic MLS head gasket is specified for GM LS7 Gen‑4 small block V8 applications with a 4.150" bore and a compressed operating thickness of .051". Constructed from multiple embossed stainless steel layers with Viton‑coated outer faces, the gasket is built to provide robust sealing without sealants and to tolerate aluminum‑to‑aluminum or aluminum‑to‑cast‑iron head/block combinations under high output conditions.
Cometic 2006+ GM LS7 7.0L 4.150 inch Bore .051 inch MLS Head Gasket
