ProX Racing Parts
ProX Piston Kit YZ250 99-23 + RM250 03-12 (66.36mm)
ProX Piston Kit YZ250 99-23 + RM250 03-12 (66.36mm) 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...