Piston 4-STK KIT 96.00mm 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.

Honda CRF450R (2004-2008),
Honda CRF450X (2005-2017),

PROX 01.1414.A