Genuine Honda rubber intake insulator / rubber intake manifold / carb holder for the CB500 and CB550. This is the rubber insulator between the engine and the carburetors, 4 are required per bike. Attaches to the intake manifold and the carburetors. If you have an air leak on old, cracked insulators, have no fear....the stock rubber insulators are still available and we have em!
Honda part number: 16211-323-000
CB500K - 1971-1973
CB550K - 1974-1976
CB550F - 1975-1977
may fit other models...
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4 years later, they are not hard and leaking, but they are visibly disintegrating. I am going to have to replace them again with a different brand. I would not purchase these again.
Out of the package and onto the bike - no problems, no leaks, nice and plyable. Carbs were much easier to get on and off!