BOYESEN SNOWMOBILE POWER REED (535) SKI-DOO SKANDIC 503 F Increased flow for additional power

Increased flow for additional power and cooler run temps

Includes all parts for top end cylinder rebuilds

If you have tested your battery and it test good and has passed a load test (Very important to test load

The type of cylinder sleeve

Adaptable to most ATV models

BOYESEN SNOWMOBILE POWER REED (535) SKI-DOO SKANDIC 503 F Increased flow for additional powerBOYESEN 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