Racers Edge .15/2.5Cc Round Manifold Seal Yellow RE10171Y

.15/2.5cc round manifold seal yellow. This is the gasket that goes over the exhaust port on rear exhaust engines and seals the manifold header to the engine. This gasket is also used for one piece tuned pipe assemblies to seal the connection between the manifold header and the tuned pipe. If this gasket is leaking either around the exhaust port or the tuned pipe connection, it will make the engine behave erratically.