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The Cometic .040" MLS head gasket for Lotus and related 4‑cylinder applications is an 83mm bore multi‑layer steel gasket with embossed outer layers coated in Viton. Compressed operating thickness is 0.040" and the MLS construction provides strong sealing for aluminum‑to‑aluminum or aluminum‑to‑cast‑iron combinations without requiring sealants. The center shim layer is uncoated stainless steel to accommodate varying thickness needs while improving load distribution.
Cometic Lotus 4cyl 83mm Bore .040 inch MLS Head Gasket
