Piston 2-STK KIT 66.40mm 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.
REPLACEMENT PARTS. PISTON RINGS. 02.4312, PISTON PIN. ,

PISTON CLIPS. 05.1812

Kawasaki KX250 1992-2004,

PROX 01.4322.C