Genuine Honda rubber intake insulator / rubber intake manifold / carb holder for the CB550K '77-'78 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!
I.D Side A: 34mm
I.D Side B: 32mm
Honda part number: 16211-404-000
CB550K - 1977-1978
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these parts were a great replacement part for the engine intakes a very snug fit, very secure