Piston 2-STK KIT 66.34mm Bore.
Ready to install, ProX Piston Kits are supplied complete with piston rings, wrist pin, and circlips.

- ProX pistons are precision machined on the latest, state of the art CNC equipment and use the same low-expansion, low-friction piston alloy all major Japanese engine manufacturers use. - Uses an OEM style tin coating to assist the break-in process when you first start your machine.
Replacements parts. PROX RING SET ,

PROX PISTON PIN , PROX CLIPS ,
TWIN RING PISTON

Moto TM EN 250 (1999-2015), Moto TM MX 250 (1999-2015),

PROX 01.7309.A