Boyesen Power Wing Yamaha Yz450F 07-11, Wr450F 07-11 Use Pw-32 GPX 5.5 Fantic XE450F 22-25 front

Fantic XE450F 22-25 front

RFX Race Handlebar Mount Kit 28

Size guide The measure indicated refers to the circumference of the head

Ds patented X-Ring is superior to other O-Ring designs

1 pair of Radiator Louvers

Boyesen Power Wing Yamaha Yz450F 07-11, Wr450F 07-11 Use Pw-32 GPX 5.5 Fantic XE450F 22-25 frontThe Boyesen Powerwing is the perfect air delivery enhancement upgrade used to increase horsepower and torque by maximizing your intake system. The Powerwing's unique design maximizes airflow to increase horsepower, torque and responsiveness, without restrictions to your existing carburetor. Precision fit engineering ensures easy installation in each make and model available. The Boyesen Powerwing is designed to increase air velocity inside your