Feature: 1. Wide Application: Replacement for GY6 50 139QMB Based Engine, replacement for Kinroad, replacement for Twister Hammerhead, replacement for Carter and much more .2. Copper Core Roller: The roller shell is made of high quality nylon material with excellent high temperature and wear resistant, and the 6.5 gram weight will bring you balanced performance. 3. Red Variator Slides: The racing variator slides has been already installed, comes with red color and made of the same nylon as the roller weights, abrasion resistant and have a long life. 4. Heat Sinking Variator Face: Specially designed for better operation and heat dissipation; the roller grooves design can improve the aelerating time and prevent too much loss on the engine value. 5. Hardening Ramp Plate: The variator ramp plate adopts surface hardening treatment which can make your variator support more power. And the main metal parts have been processed by anti rust treatment for maximum durability. Specification: Item Type: Racing Variator Kit Package List: 2 x Cover 1 x Sleeve 6 x Roller |