Piston Prox Kawasaki JS440

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.