BOYESEN MOTORCYCLE POWER REED (6120) KAWASAKI KX450F Shut Off/Petcock has 3 modes

Shut Off/Petcock has 3 modes of operation

17620- ZH7-013 and 17620-ZH7-023

At the heart of the system is a unique muffler design that uses a series of internal tubes along with resonant expansion chambers to capture and cancel unwanted sound waves before being released into the atmosphere

Valve Length: 91

BOYESEN MOTORCYCLE POWER REED (6120) KAWASAKI KX450F Shut Off/Petcock has 3 modesBOYESEN MOTORCYCLE POWER REED Boyesens 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