TFC performance variator kit for GY6 engines. Includes a coated variator, light forged drive face, aluminum 14mm variator nut, 3pcs each of 10g, 11g, and 12g roller weights for tuning, and a torque spring 15% stiffer than stock.
Outer Diameter : 115mm
+15% Torque Spring
Includes 3pcs each 10g, 11g, and 12g Roller Weights