ProX Piston Kit 53.95mm Kawasaki KX125 | 01.4218.A White Combine all that with heat

Combine all that with heat treated 4340 chromoly steel and you've got an axle that won't quit

titanium tubing and titanium end-caps

The heim joint tie rod ends and rebuildable inner ball and sockets use massive 3/4" threads to attach to the rods

launch control and shift warning functionality

Ride with Year-Round Comfort

ProX Piston Kit 53.95mm Kawasaki KX125 | 01.4218.A White Combine all that with heatManufactured in Japan and designed to be OEM replacement Cast from a high silicon content aluminum alloy that meets or exceeds OEM specifications, then CNC machined to extremely close tolerances Kit includes piston, ring kit, wrist pin, and circlips