Boyesen Power Wing Yamaha Yz450F 07-11, Wr450F 07-11 Use Pw-32 GPX 5.5 1 pair of Radiator Louvers

1 pair of Radiator Louvers

350 EXC-F 20-23

TPU features is combined with ventilation zones and a new air flow system sole for breathability and superior ventilation

RFX Pro Series Clutch Covers are CNC machined from a solid billet of 6061-T6 aluminium which allows thin light weight sections to be machined whilst still increasing strength and durability over standard covers

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

Boyesen Power Wing Yamaha Yz450F 07-11, Wr450F 07-11 Use Pw-32 GPX 5.5 1 pair of Radiator LouversThe 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