PISTON KIT 04-07 CRF250R 78.00, PROX 01.1338.A 04-17 CRF250X

PISTON KIT 78.00mm STD COMPRESSION 12.9:1
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.
Coated for ultimate performance Most of the ProX pistons come with a coating. Our OEM style Tin coated pistons assist the wear in process when you just started the bike. We have

developed a new skirt coating that not only assists the wear in process, but also helps reducing friction after the wear in. The black coating is made from a delicate mix of materials and will increase performance.
Replacements parts. PROX RING SET 02.1335 PROX PISTON PIN 04.1641.5 PROX CLIPS 05.1612

Honda CRF250R (2004-2007),
Honda CRF250X (2004-2017),

PROX 01.1338.A