57mm Piston Set GY6 150cc Engine
$7.99
* Piston: 57mm
* Piston Pin: 15mm
* Piston Pin Length：42.5mm
* Compression Height (center of piston pin hole to top of piston): 20mm
#3,4,5,6 on Diagram - 57mm Piston Pin and Cir clips for the 150cc 4-stroke QMJ QMI/152 GY6 engines.