Hoca Performance GY6 Torque Spring Base Mufflers Fits the following chain driven

Fits the following chain driven models:

Results from using this clutch include decreased slippage and improved transmission efficiency

Rear Brake Cable for ATVs

Cylinder for QH025

Specific to most Boatian brand motor scooters with the 50cc 4-stroke QMB139 engine

Hoca Performance GY6 Torque Spring Base Mufflers Fits the following chain drivenHoca Performance Torque Spring Base for 150cc and 125cc GY6 4 stroke engines and engine based vehicles. The GY6 Torque Spring Base will allow 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 see our Warranty & Returns Policy.