Boost throttle response and power across the rev range with the Boyesen RAD-11A Rad Valve Reed Cage Assembly. Designed to maintain flow velocity through the valve and redirect the intake charge, it helps deliver a more even mixture distribution to the intake ports for smoother, stronger engine performance. Because it bolts in easily with no modifications required, it’s an ideal upgrade when you want noticeable gains without complicated installation.
Whether you’re looking for a sharper hit out of corners or more usable pull throughout the RPM range, the RAD Valve’s dual-stage reed design is built to deliver plenty of torque and improved horsepower where it matters most.
Key features:
✅ Maintains flow velocity and redirects intake charge for more even port distribution
✅ One-piece aluminum casting; bolts in easily with no modifications
✅ Quicker, sharper throttle response with more horsepower throughout the RPM range
Benefits of use:
🔹 Stronger, more responsive power delivery compared to many stock reed setups
🔹 Improved rideability—crisper response helps you control traction and acceleration
🔹 Smart performance upgrade for riders who want measurable gains with straightforward installation
Technical specifications (if needed):
📌 Brand: Boyesen
📌 Model: Rad Valve
📌 Type: Dual Stage
📌 Materials: Aluminum (cage), Carbon Fiber (reeds)
📌 Color/Finish: Black / Silver
Why choose this product?
⭐ Purpose-built intake design focused on flow velocity, distribution and performance
⭐ Proven Boyesen reed technology with patented dual-stage reeds
⭐ Easy bolt-on upgrade—great for refreshes, tuning builds and performance-minded riders
