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Cometic MLS head gasket for GM LS Gen‑3 small block V8 engines (LS1/LS2/LS3/LS6) with a 4.165" bore and compressed thickness of 0.051"; includes Darton MID sleeves. Multi‑layer stainless construction with Viton‑coated outer faces provides strong sealing without sealant. The uncoated shim layer and embossed outer layers resist corrosion, conform to surfaces and lower clamp load to limit bore distortion.
Cometic GM LS1 (w/M.I.D. Sleeves) 4.165 inch Bore .051 inch MLS Head Gasket
