PROX PISTON KIT KTM300EXC '17-18

PROX piston kits are a first class solution to replace the original piston in your motorcycle, scooter, moped, ATV, personal watercraft, etc. The same low-expansion, low-friction piston alloy is used for all major Japanese engine manufacturers. PROX pistons are precision machined on the latest, state of the art CNC equipment.