BOYESEN SNOWMOBILE POWER REED (553) DUCATI 1000 HYPERMOTARD Boyesens patented dual-stage design incorporates

Boyesens patented dual-stage design incorporates a specially shaped top reed and a ported bottom reed

Replacement breath guard for GM11 helmets

SPX FUEL SHUT OFF VALVE

Fuel Requirements: Power Commander (PCV)

thrust washers

BOYESEN SNOWMOBILE POWER REED (553) DUCATI 1000 HYPERMOTARD Boyesens patented dual-stage design incorporatesBOYESEN 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