Pro-X Racing Piston Kit for 2000-02 Yamaha YZ426F - 94.95mm - 01.2427.A 1996 Honda XR400R 2007 Yamaha YFM400 Grizzly 400

2007 Yamaha YFM400 Grizzly 400 / Hunter 4x4

1992-98 Yamaha XJ600S Seca II

2005 Yamaha YFS200 Blaster

1991-13 KAWASAKI KX100

Pro-X Racing Piston Kit for 2000-02 Yamaha YZ426F - 94.95mm - 01.2427.A 1996 Honda XR400R 2007 Yamaha YFM400 Grizzly 400Pro X Racing Parts Piston Kit ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low expansion, low friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX Piston Kits are a first class solution to replace the original piston in your Motorcycle, Scooter, Moped, ATV, Personal Watercraft, etc. Our OEM style Tin coated pistons assist the wear in process when you just started the