Piston 2-STK KIT 40.50mm 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.
Replacements parts. PROX RING SET , PROX PISTON PIN ,

Gilera DNA (1950-2014), Gilera Runner SP Pro (1950-2014), Gilera Pure Jet (1950-2014), Gilera Stalker (1950-2014), Piaggio Free 2T 50 (1950-2014), Piaggio Liberty 50 (1950-2014), Piaggio Typhoon 50 (1950-2014), Piaggio NRG 50 (1950-2014), Piaggio Vespa ET2 50 (1950-2014), Piaggio ZIP 50 (1950-2014),

PROX 01.7005.050