Boyesen Power Reeds
The best high-performance modification available for the money
Made with Boyesen's exclusive dura-flex material
Each kit is packaged to do one complete cylinder.

Boyesen Rad Valves
Made of one piece aluminum casting
Easily bolts on, no manifold modification
Provides quicker, sharper throttle - more horsepower throughout RPM range

Boyesen Power Reeds Pro Series
Carbon Fiber and dual stage technology, provides all the benefits
of the kit above and crisper throttle response
Each kit is packaged to do one complete cylinder.