Clutch Torque Spring 1000n, for GY6-50cc 4T

Performance Torque Spring for 50cc GY6 4-stroke engine (QMA139QMB139) based vehicles .
Designed to provide varying pressure to the sliding clutch plate for different acceleration purposes and tuning.

• 1000 R.P.M.
• Inner Diameter: 49mm
• Height: 90mm