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Cometic MLS cylinder head gasket for GM L42/L61 Gen‑1/2 ECOTEC engines, specified at a nominal .060 in thickness for an 89 mm bore with a market‑listed compressed thickness of 0.036 in. Multiple embossed stainless layers with Viton coating on both outer faces and an uncoated shim provide rebound, corrosion resistance, and variable thickness control. The MLS gasket seals aluminum heads to aluminum or cast‑iron blocks without sealants and helps distribute clamp load.
Cometic GM L42/L61 Gen-1/2 ECOTEC .060in MLS Cylinder Head Gasket - 89mm Bore
