Piston 2-STK KIT 67.50mm 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.

KTM 250 EXC (1996-1999),
KTM 250 SX (1996-1999),

PROX 01.6316.B