Polini piston diameter 50 mm, selection B (49.955 mm) for Minarelli AM6 engine
Polini piston for: Aprilia, Aprilia AF1 50, Aprilia MX 50, Aprilia RS 50, Aprilia RX 50, Aprilia Tuono 50, Beta, Beta RR 50, Fantic Motor Caballero 05, Fantic Motor Enduro competition 50, Fantic Motor Enduro performance 50, Fantic Motor Motard ompetition 50, Fantic Motor Motard performance 50, Hm, Hm Cre 50, Hm Derapage 50, Malaguti, Malaguti Drakon 50, Malaguti XSM 50, Malaguti XTM 50, Mbk, Mbk X-LIMIT 50, Mbk X-Power 50, Peugeot , Peugeot XPS 50, Peugeot XR6 50, Polini, Rieju, Rieju MRT, Rieju MRX, Rieju SMX, Rieju Spike, Rieju Tango, Rieju RS2, Rieju MRT, Rieju Supermotard, Sherco, Sherco Hrd enduro, Sherco Factory, Yamaha, Yamaha DT 50, Yamaha TZR 50, Cpi, Cpi Supermoto 50, Cpi Supercross 50, Vent, Vent Derapage 50, Vent Baja 50