NCY Performance Camshaft 139QMB GY6 50cc Lance resulting in more precise throttle

resulting in more precise throttle modulation

includes hardware

Sport Tread Pattern: VRM-134 directional profile maximizes rubber contact at lean angles while channeling water away to prevent hydroplaning

Keep your 139QMB engine running smoothly with this OEM two-valve rocker arm assembly from Blue Line Designed specifically for Type 1 engines with 64mm valve stems and a shorter cylinder head

Material: 6061-T6 billet aluminum

NCY Performance Camshaft 139QMB GY6 50cc Lance resulting in more precise throttleUnlock the hidden power potential of your 4 stroke scooter with the NCY Performance Camshaft. Designed specifically for the GY6 139QMB engine platform, this high lift cam profile increases valve duration and lift, allowing your engine to breathe deeper and rev higher. This is the recommended essential upgrade whenever you install a 72cc, 82cc, or 100cc big bore cylinder kit to ensure your engine can fully utilize the increased displacement. By