BOYESEN SNOWMOBILE POWER REED (556) POLARIS IQ 600 LX GMAX OF77 OPEN FACE HELMET

GMAX OF77 OPEN FACE HELMET LOWER TRIM RING

GMAX GM68 COMPLETE TOP VENT WITH LED

The Straightline Polaris 900R single pipe powerband is changed to create a torque monster

Replacement Comfort liner for GM46Y youth helmets

Built-in "tip-over" valve

BOYESEN SNOWMOBILE POWER REED (556) POLARIS IQ 600 LX GMAX OF77 OPEN FACE HELMETBOYESEN 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