BOYESEN 1999 YZ250 BOY.RAD VALVE RAD-34E Oil & Fuel Filters By increasing exhaust duration and

By increasing exhaust duration and lift

Castor 927 is a unique blend of highly refined castor oil

Scarabeo 125 Touring

Harley Davidson FXD Dyna Super Glide 1997

fuel usage varies by riding style

BOYESEN 1999 YZ250 BOY.RAD VALVE RAD-34E Oil & Fuel Filters By increasing exhaust duration andBoyesen Rad Valve RAD 34E RAD34E 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