Piston 2-STK KIT 56.00mm Bore.(55.95mm)
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.

KTM 144 SX (2008),
KTM 150 SX (2009-2015),

PROX 01.6228.B