Piston Assembly for 125cc Dirt Bikes Go Karts ATVs 125 CC 125c Pit Bike Dune Buggy Sandrail Quad 4 Wheeler Taotao SunL JCL Coolster Tank SSR Coolster Roketa Baja Piston Assembly. Top Quality Guaranteed. Piston Assembly for 125cc Dirt Bikes,Go Karts, ATVs Piston Diameter : 54mm; Piston Height : 40.5mm; Piston Pin Diameter : 14mm; Piston Pin Length: 40.8mm; Piston Ring Diameter : 56.3mm; Snap Ring 56mm uncompressed; Snap Ring 54mm compressed Please check the pictures and specifications for compatibility before placing orders.