Ban Jing 1200 RPM Torque Spring for GY6 levers Piston Diameter: 57

Piston Diameter: 57

a fresh set of stainless steel nuts and a high-quality tube are the best insurance against problems down the road

Strain Relief Boot: Molded strain relief protects the cable at the connector entry point

Broader gear ratio — variator retracts and extends further than OEM

Modified ramp plate raises maximum power output

Ban Jing 1200 RPM Torque Spring for GY6 levers Piston Diameter: 57Ban Jing Performance 1200 RPM Torque Spring for 150cc and 125cc GY6 4 stroke engine based vehicles. Designed to provide varying pressure to the sliding clutch plate for different acceleration purposes and tuning. This 1200 RPM spring is a step in between common 1000 RPM and 1500 RPM torque springs to allow more precise tuning for your particular performance set up. 1200 R. P. M. Inner Diameter: 49. 5mm Height: 105mm Made in Taiwan! GY6 QMI QMJ 152