NCY Racing Clutch - Performance GY6 50cc QMA/ 139QMB Engines 1st This product also works with

This product also works with the following NCY Honda Ruckus Front End Kits:

Progressive-rate spring — smooth over small bumps

Aluminum Piston: 47mm

Engineered specifically as an upgraded replacement for 125cc to 170cc 4-stroke CVTs

NCY Racing Clutch - Performance GY6 50cc QMA/ 139QMB Engines 1st This product also works withNCY Performance Racing Clutch for GY6 50cc 139QMB Upgrade your takeoff and mid range acceleration with the NCY Racing Clutch. Specifically engineered for 50cc 139QMB engines, this premium clutch features lightweight gray clutch shoes and stiff 2000 RPM red springs. By allowing the engine to reach a higher power band before engagement, youll experience a snappier throttle response and eliminate "bogging" during initial acceleration. Manufactured in