Pro-X Racing Piston Kit for 2017-18 Sherco 250 SE-R - 66.34mm - 01.7337.A 1993 Suzuki GSX600 Katana 1990 Yamaha XT350

1990 Yamaha XT350

2016 Arctic Cat ZR 8000 Limited Sno Pro w/129" Track

Fully case-hardened wrist pin and Circlips

2003 Triumph Thunderbird Sport

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Pro-X Racing Piston Kit for 2017-18 Sherco 250 SE-R - 66.34mm - 01.7337.A 1993 Suzuki GSX600 Katana 1990 Yamaha XT350Pro 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