Now you can get new air box adapters / rubbers / rubber boots, what ever you like to call em, for your Honda CB350F or CB400F! You know these boots. Once they’ve been sitting for 35+ years they harden up and shrink. They become impossible to put back on. You might 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 any more trouble. Now you can have new ones! Virtually identical to the originals. Made from quality rubber that holds up well to gasoline and ethanol.
Fits Honda:
CB350F - 1972-1974
CB400F Super Sport - 1975-1977
5 Reviews Hide Reviews Show Reviews
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CB400F intake mainifolds
Fit perfect and are similar to OEM product.
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350F/400F HONDA AIRBOX PLENUM RUBBERS
These rubbers fit the motorcycle perfectly and made it easy to reattach the carbs. Hopefully they will stand the test of time.
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Perfect fit
Was glad these were available as the old ones were hardened. Made reinstallation of my rebuilt carbs easier.
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Exceeds original quality
When I first put these on my air box I noticed that the rubber was a lot nicer. Then when I went to slide them on the carbs they slid on like a glove. The old ones always involved some positioning with a screwdriver.
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Huge time and effort saver!
I just got these yesterday and installed last night after going through my CB400F carbs due to ethanol/water crud in the bowls. They are a breeze to install and fit perfectly. My old ones are 36 years old and hard as rocks. These are far superior to trying to make your old ones new again.
