BOYESEN RAD VALVE 04 KX250, BLOCK RAD-12I, RAD12I Chain Guides SE 510i-R 12-13

SE 510i-R 12-13

Each sprocket is CNC machined from aerospace grade 7075-T6 aluminium alloy with a 2-tone anodized/polished finish

SE-F 450 15-19

350 EXC-F Six Days (2012-2023)

CBF125 (EURO) 09-13

BOYESEN RAD VALVE 04 KX250, BLOCK RAD-12I, RAD12I Chain Guides SE 510i-R 12-13Boyesen Rad Valve RAD 12I RAD12I 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