PROX 66.33mm PISTON KIT A, GAS GAS MC250 97-08, EC250 97-18, MX250 97-19, 2 RING

ProX Piston � 2-ring Piston 66.40

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.
Cross reference numbers ONLY.

Part No. 56-W157.A.PROX

For spare rings. prox 02.7307,
Nominal size 66.33mm

Gas-Gas MC250 (1997-2018),
Gas-Gas EC250 2T (1997-2018),

PROX 01.7307.A