BOYESEN 94-01 YZ80 BOYESEN RAD BLOCK RAD-30A PW50 handlebar kit Taller volume to allow for

Taller volume to allow for SuperFlo kit

Big Bore pistons increase displacement and power while maintaining stock compression ratios

Kawasaki KX250 03-08

Multi-Layer HDPE

6mm ID x 5

BOYESEN 94-01 YZ80 BOYESEN RAD BLOCK RAD-30A PW50 handlebar kit Taller volume to allow forBoyesen Rad Valve RAD 30A RAD30A 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