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The Cometic copper head gasket for Triumph 1500cc Spitfire (74mm bore, .043" thickness) uses full dead‑soft copper construction to provide a malleable sealing surface. Copper gaskets compress during installation, require less clamp load, and are suited to engines machined for steel o‑rings or running extreme cylinder pressures. The material conforms to load distribution across sealing surfaces and is intended to seal reliably without re‑torque or additional sealants.
Cometic Triumph 1500cc Spitfire 74mm .043 inch Copper Head Gasket
