Pro-X Racing Piston Kit for 2009-19 Yamaha YFZ450R - 94.97mm - 01.2435.C 1992 Harley Davidson FXSTS Springer Softail (1989-1999) Softail Springer - FXSTS

(1989-1999) Softail Springer - FXSTS

2008 Honda TRX680FA FourTrax Rincon

Kawasaki: KZ400D

2006 - 07 Ranger 4x4 500

Pro-X Racing Piston Kit for 2009-19 Yamaha YFZ450R - 94.97mm - 01.2435.C 1992 Harley Davidson FXSTS Springer Softail (1989-1999) Softail Springer - FXSTSPro 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