BOYESEN 1999 KX125 BOYESEN RAD VALVE, BLOCK RAD-11F, R11F Moto-9 Mips WR450F 03-25

WR450F 03-25

1991 Kawasaki KX60

Yamaha - XT600E - 1991 - 1994

Also available in other colors such as beige

85 SX 03-22

BOYESEN 1999 KX125 BOYESEN RAD VALVE, BLOCK RAD-11F, R11F Moto-9 Mips WR450F 03-25Boyesen Rad Valve RAD 11F RAD11F 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