US$ 289.50
Suzuki SV650 2001
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GT 1000 07-10
Yamaha WRF250/450 03-04
KTM 450EXC-F Six Days 2013
BOYESEN RAD VALVE 05-07 KX250, BLOCK RAD-12J KAWASAKI MX, RAD12J Jersey Suzuki SV650 2001Boyesen Rad Valve RAD 12J RAD12J 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