BOYESEN 91-97 KX80 BOYESEN RAD VALVE, BLOCK RAD-10A POS We took all your favourite

We took all your favourite features of our best-selling style Holbrook™

1 x RK GB520XRE-118 GOLD XW-RING CHAIN

HOTCAMS INTAKE CAM

letting you focus on getting the perfect shot

2001 - 2024 YAMAHA WR 250 F

BOYESEN 91-97 KX80 BOYESEN RAD VALVE, BLOCK RAD-10A POS We took all your favouriteBoyesen Rad Valve RAD 10A RAD10A 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