BOYESEN RAD VALVE 01 RM250, BLOCK RAD-24H, RAD-24H sizing-pants-carbon-youth it's a piece of racing

it's a piece of racing history

Includes four height position options

giving it a rugged yet refined look

2015 YAMAHA YZ 450 F (CJ21) 2016

BOYESEN RAD VALVE 01 RM250, BLOCK RAD-24H, RAD-24H sizing-pants-carbon-youth it's a piece of racingBoyesen Rad Valve RAD 24H RAD24H 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