Set of 2 reproduction rubber intake insulators / rubber intake manifolds / carb holders for the Honda CM400/450 and CB450SC twins from the early 80's. If you've discovered cracks on your stock intake boots, it's time to replace them because they're most likely leaking air which leans out your air/fuel mixture. A quick way to check is to spray something non flammable on the boots with the engine running, if you hear a change in RPM, they are leaking for sure!
Kit Includes:
Honda part number (o-ring): 91325-413-830 - Qty. 2
Honda part number (insulator): 16211-447-670 - Qty. 2
Insulator Dimensions:
I.D where carburetors mount: 43mm
I.D engine side: 33mm
Mounting hole spacing (measured center to center): 67mm
Height: 36mm
All models listed use 2 insulators. The left and right insulators are the same.
Fits Honda:
CM400C Custom - 1981
CM400E - 1980-1981
CM400T - 1980-1981
CB450SC Nighthawk - 1982-1986
CM450C Custom - 1982
CM450E - 1982-1983
3 Reviews Hide Reviews Show Reviews
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Perfect Fit!
Bolted right on perfect length and diameter for my 1980 cm400T
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Includes o-ring
Works really well. My old ones had cracked o-rings, but I couldn't find replacements that were guaranteed to fit so I just bought these and it fixed my vacuum leak that was causing revs to jump all over. Nice and soft and includes o-ring and clamp.
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Excellent
Includes oring and these were a perfect fit. Vac leak solved instantly. Highly recommended. These were the best price for these on all the Internet and local shops. Sone local shops were 3x the price. Just get these.
