Reproduction left & right side intake insulators / intake manifolds / carb holders for the Honda CX500 twins. 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 the air/fuel mixture.
Honda part number (o-ring): 91325-413-830 - Qty. 2
Honda part number (left insulator): 16221-415-000 - Qty. 1
Honda part number (right insulator): 16211-415-000 - Qty. 1
CX500 - 1978-1979
CX500C Custom - 1979-1982
CX500D Deluxe - 1979-1981