1 Napco carb air cut-off valve with 0 ring to fit all the Honda bikes listed below.
Napco part #88-H002. Replaces Honda part #16048-425-671 & 16048-425-305
CB750F SS 1979
One valve is for one carb
Kit includes diaphragm
and spring as seen in photo
To prevent afterburn generated by a lean fuel mixture when closing the throttle, the cut-off
valve temporarily closes the slow-jet passage, creating an instantly richer mixture. Same or better quality than OEM at a
fraction of the cost.