Boyesen Powerwing - PW-37

Increases horsepower and torque on 2- and 4-stroke bikes
'rodynamic design maximizes velocity and power gain
Wing channel minimizes jet needle disturbance
Cleaner jetting for crisp response and acceleration
Precision fit assures perfect alignment and easy installation
On 2-stroke improves power from idle to midrange with no loss of top end
On 4-stroke power boost from idle through over-rev