Prox Piston Kit 64.00 - 66.00mm

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.

YAMAHA YFZ 350 BANSHEE 1987-2007,

Yamaha RD350 LC - YPVS (1980-1987),

Yamaha RD350 AC (1950-2014)