RB Products .21/.28 Manifold Exhaust Gasket

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This is a genuine RB Concept brand exhaust manifold gasket. This is used to seal the back of .21 to .28 size rear exhaust engines where the tuned pipe manifold attaches to the rear of the engine. These eventually go bad and lose their seal over time due the intense heat of the engine, so it is good idea to replace these when they get worn out or you find they are leaking. This seal is also used for one piece tuned pipe exhaust systems, to seal the connection between the tuned pipe and the manifold.

This product was added to our catalog on January 13, 2006.

steven smulders
Monday, Nov 30 2009 (about 6 years ago)
RB Products .21/.28 Manifold Exhaust Gasket
These are not the genuine RB seals, the original "genuine" RB seals had the words "genuine novarossi" on the rim of the seal but now do not and the new ones last only half the time of the original ones. The same goes for OS as they used to have "made in japan" on the rim but now do not and the new OS seals only last half the time of the original ones also. Seems like they are all being made in China or somewhere out of poor materials so more get sold.

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