Pro-X Racing Forged Piston Kit for 2002-16 Yamaha YZ85 - 47.44mm - 01.2114.A 2013 Yamaha YZ250F 2010 Polaris Sportsman 850 XP

2010 Polaris Sportsman 850 XP EPS

1992 Moto Guzzi Quota 1000

2003 Yamaha SX Viper

Note: This kit will not work on Mule 550 models

Pro-X Racing Forged Piston Kit for 2002-16 Yamaha YZ85 - 47.44mm - 01.2114.A 2013 Yamaha YZ250F 2010 Polaris Sportsman 850 XPPro 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