BOYESEN RAD VALVE 01-03 KX250, BLOCK RAD-12H, RAD12H Moto 8.5 400 RR 4T 10-14

400 RR 4T 10-14

Refractive Acerbis logo and applications on the legs

​· Husqvarna TC125 2018 / TC250 2018

MX 125 05-11

BOYESEN RAD VALVE 01-03 KX250, BLOCK RAD-12H, RAD12H Moto 8.5 400 RR 4T 10-14Boyesen Rad Valve RAD 12H RAD12H 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