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The Cometic copper exhaust header collector gasket is a .043in thick, 3.5in diameter gasket with a 4.438in bolt circle designed for use with exhaust manifolds or headers. It’s offered in materials chosen to match various head and manifold combinations, resists burn‑through and push‑out, and is intended to maintain torque set without messy sealants. Corrosion resistance and suitability for high cylinder pressures are highlighted.
Cometic .043in Copper Exhaust Header Collector Gasket - 3.5in Diameter - 4.438in Bolt Circle
