BOYESEN 86-85 CR250R BOYESEN RAD VALVE TRX250R, BLOCK RAD04A, RAD-04A, RAD-04A Plastics Fits 2024 EXC/EXC-F models

Fits 2024 EXC/EXC-F models

TC/FC 125-450 19-22

CRF450R 17-18

RK UW Seal Ring

BOYESEN 86-85 CR250R BOYESEN RAD VALVE TRX250R, BLOCK RAD04A, RAD-04A, RAD-04A Plastics Fits 2024 EXC/EXC-F modelsBoyesen Rad Valve RAD 04A RAD04A 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