BOYESEN SNOWMOBILE POWER REED (563) SKI-DOO FORMULA SP HP Gain: 25+ HP (all

HP Gain: 25+ HP (all HP gains are estimated untill proven on the Straightline dyno)

ALL BALLS A-ARM KIT (50-1067)

Thread Type: Standard

Composed of either a highly ductile cast iron or stainless steel alloy

Sintered compound offering predictable and controllable performance for rear wheel use

BOYESEN SNOWMOBILE POWER REED (563) SKI-DOO FORMULA SP HP Gain: 25+ HP (allBOYESEN SNOWMOBILE POWER REED Boyesen's 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