Naraku Performance QMB139 & Piaggio Torque Spring Base

Naraku Performance torque spring base for 50cc QMB139 engines, Aprilia, Fits and compatible with Honda, Piaggio, Derbi, Kymco, and much more! Naraku Torque Spring Base allows for smoother torque spring action through the use of ball bearings. This allows the spring to pivot and turn free rather than binding up. Please note: spring shown in pictures for reference only, it is not included. Please see related items for performance torque springs. High Temp grease should be used on the ball bearings. Please see our Warranty & Returns Policy.
NK900.44
Overall Height: 30mm
Does not include spring!
SUPPORTED MODELS: Aprilia, Baja SC50, Baotian, Baotian BT50QT-11 , Fits and compatible with Honda, Fits and compatible with Honda Dio, Fits and compatible with Honda Metropolitan (CHF50), Fits and compatible with Honda Ruckus, Kymco, Kymco Agility 50, Kymco Grand Dink 50, Kymco Like 50, KYMCO People 50, Kymco Super 8 50, KYMCO Super 9, KYMCO Vitality, Kymco Yager 50, KYMCO Yup 50, Peugeot, PGO, Piaggio, Qingqi, QMB139 50cc/49cc , Roketa, SUNL, SYM, Tank, Tank Urban 50, TGB, Various unlisted makes/models, Vespa, Vespa LX 50 4V, Vespa S 50 4V, ZNEN