ERC7321 - Locking Washer – Exhaust Manifold

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Exhaust Manifold Locking Washer that secures the exhaust manifold fixings to the cylinder head. The tab washer fits under the manifold bolt or nut and is bent up against a flat onc e tightened, locking the fastener so it cannot work loose under the repeated heat-cycling and vibration of the exhaust system. It is renewed whenever the manifold is removed. Show more