BOYESEN 88-91 KX125 BOYESEN RAD VALVE 2.5 GPZ500 (1988-2004)

GPZ500 (1988-2004)

with a new softer EPS liner which extends beyond the helmet shell itself

Main zipper with double slider to lock

AJP PR7 2020

ST 80 04-13

BOYESEN 88-91 KX125 BOYESEN RAD VALVE 2.5 GPZ500 (1988-2004)Boyesen Rad Valve RAD 11 RAD11 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 aluminium casting, no