As low as $45.21/mo with or . (Pay in 4 interest-free payments)
Boyesen RAD Valve Pre-Mix Unlock sharper throttle response and real horsepower gains with the Boyesen RAD Valve Pre-Mix . Engineered specifically for your model, year, and displacement, this one-piece reed valve system optimizes intake dynamics to elevate two-stroke performance on the track or trail. Key Performance Benefits Model-Specific Engineering: Each RAD Valve is tailor-made to match port timing, crankcase volume, and airflow needs for your exact bike. Optimized Intake Charge: Redirects and conditions airflow for more even distribution to the intake ports, improving burn efficiency. Instant Throttle Response: Maintains constant flow velocity for crisp low-end snap and stronger mid-range pull. More Usable Power: Smoother, more linear power delivery with measurable horsepower gains across the curve. One-Piece Design: Durable construction with easy installation —bolt on and ride. Why Choose Boyesen With decades of two-stroke innovation, Boyesen delivers proven reed valve technology trusted by racers and riders worldwide. The RAD Valve Pre-Mix maximizes airflow velocity and fuel atomization for superior response, efficiency, and reliability. Upgrade your two-stroke’s intake system with the Boyesen RAD Valve Pre-Mix and experience faster starts, cleaner transitions, and consistent performance lap after lap.
Each Boyesen RAD Valve is unique - tailor made to that model, year and displacement.
The intake charge is redirected for more even distribution to the intake ports
Constant flow velocity is maintained for instant throttle response and more horsepower
or 
. (Pay in 4 interest-free payments)
