Reproduction intake insulator and air box adapter set(air cleaner tubes). For use with stock carburetors and stock air box housing on the Honda DOHC CB750 models from 1979-1983. If the stock manifolds are cracking they might be leaking air into the cylinder, which will make the bike run poorly. Once they've been sitting for decades they harden up and shrink, they become impossible to put back on. You may have tried boiling the old ones or heating them up some how, and it still doesn't work. Maybe you can get one or two of them on the carbs but they won't all go on. Save yourself the trouble with a new set! Made from quality rubber.
Replaces Honda part numbers: 16211-425-000, 16212-425-000, 16213-425-000, 16214-425-000, 17253-425-000(air box adapter), 17254-425-000(air box adapter)
Fits Honda:
CB750C Custom - 1980-1982
CB750F Super Sport - 1979-1982
CB750K Four - 1979-1982
CB750L LTD - 1979
CB750SC Nighthawk - 1982-1983
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Suitable replacement
Replaced the rubber on my '81 CB750K Heat up the old/hard ones to loosen them up. These new ones went on pretty easily. It's a bear to get the airbox and carbs seated correctly, but that's just the way it goes with the bike's design.
