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The Cometic MLS head gasket for BMC 1.8L B‑Series engines fits an 83mm bore with a .040" compressed thickness and employs multi-layer stainless steel construction for reliable combustion sealing. Embossed outer layers coated with Viton and an uncoated center shim provide recoil and corrosion resistance, allowing secure sealing between head and block materials without additional sealants or re-torque.
Cometic BMC 1.8L B-Series .040in MLS Cylinder 83mm Bore Head Gasket
