BOYESEN 2003 RM250 BOYESEN RAD VALVE RAD-24J Side Panels BETA RR X-PRO 390 4T

BETA RR X-PRO 390 4T 2025-2026

Use with or without the extension arm for your preferred setup

UFO Side Panels (White) Gas Gas MC125-250 EX 250-300 EX-F250-450 21-23

KX 450   2019-2023

BOYESEN 2003 RM250 BOYESEN RAD VALVE RAD-24J Side Panels BETA RR X-PRO 390 4TBoyesen Rad Valve RAD 24J RAD24J Now delivered with carbon fiber reeds for even greater performance gains Maintains flow velocity through the valve and redirects intake charge for more even distribution to the intake ports Sharper, quicker throttle response Added torque improves performance on hills, through corners and over technical jumps Increases horsepower in low , middle and especially the top end ranges One piece aluminum casting, no trimming