Piston Kit - 57.4mm - GY6 150cc Engine Know to fit Tao Tao

Know to fit Tao Tao ATA300A/A1 and ATA300H/H1 atvs

Factory Maintenance Free

Spline OD: 13

Fits Apollo Blazer 9 125

Center hole measurement: 32mm (1

Piston Kit - 57.4mm - GY6 150cc Engine Know to fit Tao TaoChinese 57. 4mm Piston Kit for 150cc ATVs, Scooters Mopeds and Go Karts. This Chinese 57. 4mm piston kit is the replacement part for many 4 stroke Chinese atvs, go karts and scooters. Piston kits ship complete with piston, piston rings, piston pin and piston clips. This kit fits GY6 150cc models. Piston kit description: Piston Height: 38mm (1. 49 in) Piston Diameter: 57mm (2. 24 in) Piston Pin Length: 41. 8mm (1. 64 in) Piston Pin Diameter: 15mm (0.