GY6 50cc 139QMB Scooter Performance Clutch Spring 1K 1.5K 2K RPM CS21

GY6 50cc 139QMB Scooter Performance Clutch Spring 1K 1.5K 2K RPM

Condition: Brand New

For 4 stroke GY6 engine based vehicles.
Designed to provide varying pressure to the sliding variator plate for different acceleration purposes and tuning.

Performance racing clutch springs(set of 3)

FITS MOST CHINESE SCOOTERS, ATVS, GO KARTS WITH
50cc 139QMB MOTORS

1K / 1000 RPM CLUTCH SPRING

1.5K / 1500 RPM CLUTCH SPRING

2K / 2000 RPM CLUTCH SPRING