Shindy Piston Kit Fits Yamaha - 450 cc

{"Compatible Brand":["Fits Yamaha"],"Displacement":["450 cc"],"Bore - Oversize":["Standard"],"Number":["04-391"],"Manufacture number":"04-391"}

{"Compatible Brand":["Fits Yamaha"],"Displacement":["450 cc"],"Bore - Oversize":["0.25 mm"],"Number":["04-392"],"Manufacture number":"04-392"}