
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 0.045"; includes Darton MID sleeves. MLS construction provides a reliable seal for high‑output engines and requires no sealants. Multiple embossed stainless steel layers with Viton‑coated outer faces plus an uncoated shim layer resist corrosion, distribute load and reduce bore distortion.
Cometic GM LS1 (w/M.I.D. Sleeves) 4.165 inch Bore .045 inch MLS Head Gasket