Replacement 38.4mm piston kit with 10mm wrist pin. Works with Kinetic and Vespa Piaggio mopeds.
Attention! You must remove your cylinder and see what size wrist pin you have. 10mm or 12mm as they came with both. Or otherwise it is just gambling.
38.4mm x 2mm rings
38.4mm piston OD
26.5mm Wrist pin center to top of piston