Description
If you’re running a KDX200 or KDX220, the Boyesen Radiator Valve is one of the most direct ways to unlock sharper throttle response and measurable horsepower gains across your entire RPM range. By optimizing intake charge distribution and maintaining consistent flow velocity through the valve, this component ensures your engine breathes more efficiently—delivering the kind of torque increase that separates a tuned machine from a stock one. Installation is straightforward: it bolts in cleanly without requiring fabrication or modification.
- Dual-stage reed design
- Cast aluminum construction
- Improved intake distribution
- Enhanced throttle response
- Increased torque delivery
- One-piece bolt-on assembly
- One valve per cylinder
- KDX200/220 fitment
- MPN: RAD14XA
