Boyesen RAD Valve Reed Cage Assembly improves intake flow and charge distribution for sharper throttle response and stronger power across the RPM range. The one-piece casting bolts on easily with no modifications.
Boost throttle response and usable power with the Boyesen RAD Valve Reed Cage Assembly. Designed to maintain intake flow velocity and redirect the incoming charge, this RAD Valve helps create a more even distribution to the intake ports for improved performance. It’s an easy, bolt-on upgrade that delivers a quicker, sharper feel at the throttle and more horsepower through the RPM range.
If your bike feels lazy off the bottom, inconsistent in the midrange, or you simply want a cleaner, more responsive intake hit, upgrading the reed cage assembly is a proven way to improve the engine’s breathing efficiency—without complex modifications.
