BOYESEN 97-98 YZ250 BOY.RAD.VALVE RAD-34D Header 125 SX 95-97

125 SX 95-97

Fused-dual-layer design air filters offer combined performance and protection

Swivel exhaust springs 65mm X4 pack

(MPN): B4403-48NC0

415 Chain is best suited for bikes up to 50cc

BOYESEN 97-98 YZ250 BOY.RAD.VALVE RAD-34D Header 125 SX 95-97Boyesen Rad Valve RAD 34D RAD34D 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