Description
If you’re running a RAD-33D PSR118 and leaving performance on the table, your reed valve is the culprit. The Boyesen Pro Series Reed delivers the throttle response and power band consistency that separates competitive machines from the rest—thanks to its dual-stage carbon fiber construction that tracks piston speed precisely without the durability penalties of traditional carbon fiber designs. You’ll feel the difference immediately: quicker spool-up, smoother power delivery, and maximized horsepower across the RPM range.
- Carbon fiber top reed
- Fiberglass/epoxy bottom reed
- Patented dual-stage design
- Rapid piston speed response
- Extended reed life
- Maximized acceleration
- Smooth throttle control
- Bolt-on fitment
- MPN: PSR118
- Designed for RAD-33D






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