BOYESEN 01-17 KX85 BOYESEN RAD VALVE, BLOCK RAD-10E, KX100 03-13 moto-pant Built in LED flashlight

Built in LED flashlight

KTM 690 Duke 2009

or with a large bike collection

YZ450F 2018 - 2019

XV 125 Virago

BOYESEN 01-17 KX85 BOYESEN RAD VALVE, BLOCK RAD-10E, KX100 03-13 moto-pant Built in LED flashlightBoyesen Rad Valve RAD 10E RAD10E 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