Pro-X Racing Forged Piston Kit for 1987-14 Yamaha YFM350 modles - 83.00mm - 01.2487.000 2017 Honda TRX420 Rancher 1978-79 Yamaha XS750S

1978-79 Yamaha XS750S

1989 Yamaha YFU-1 Pro Hauler

Fitments 1999 Polaris Indy 500

and use a very efficient heat sink to get rid of the heat quickly and efficiently

Brass bushing in clutch on many models for effortless operation

Pro-X Racing Forged Piston Kit for 1987-14 Yamaha YFM350 modles - 83.00mm - 01.2487.000 2017 Honda TRX420 Rancher 1978-79 Yamaha XS750SPro 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