BOYESEN MOTORCYCLE POWER REED (633) POLARIS SPORTSMAN 550 XP HD ALL BALLS A-ARM KIT (50-1031)

ALL BALLS A-ARM KIT (50-1031)

The item fits for CG125cc-250cc Air-Cooled Engine

high quality pistons for nearly any powersport use

Boot is made of durable rubber compound that meets or exceeds OEM specifications

OR CONTINUES TO PULL FORWARD IN GEAR WITHOUT YOUR FOOT ON THROTTLE

BOYESEN MOTORCYCLE POWER REED (633) POLARIS SPORTSMAN 550 XP HD ALL BALLS A-ARM KIT (50-1031)BOYESEN MOTORCYCLE POWER REED Boyesens patented dual stage design incorporates a specially shaped top reed and a ported bottom reed. The top reed is lightweight and resilient for crisp throttle response at partial throttle or low RPMs. The stiffer, bottom reed is ported to provide maximum flow and horsepower at higher RPMs. More valves equals more power More Air Flow. The dual stage design allows you to replace your stock reed stop with a Rev Plate