
The Cometic MLS head gasket for AMC 290/304/343/360 Gen‑2/3 V8 (4.140" bore, .040" compressed thickness) provides a multi-layer steel seal designed for modern high-output engines. Embossed outer layers coated with Viton handle challenging sealing surfaces and temperatures, while an uncoated stainless shim establishes thickness. The MLS design rebounds to resist corrosion, tolerates mixed head/block materials and reduces clamp load needs.
Cometic AMC 290/304/343/360 Gen-2/3 V8 .040in MLS Cylinder Head Gasket - 4.140in Bore