Piston 4-STK KIT 66.00 mm 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 02.1363.050,

Honda CRF230F (2003-2019), Honda CRF230L (2008-2009),

PROX 01.1363.050