BOYESEN RAD VALVE 05-07 KX250, BLOCK RAD-12J KAWASAKI MX, RAD12J Moto 5.5 designed for the modern man

designed for the modern man who demands optimum comfort for both high-action activities and everyday wear

ATC250R 81-86

Ready to use – Just plug and play

Single later palm with mapped laser hole perforation

BOYESEN RAD VALVE 05-07 KX250, BLOCK RAD-12J KAWASAKI MX, RAD12J Moto 5.5 designed for the modern manBoyesen 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