Stage 1 Performance Kit; CSC Go!, QMB139

Stage 1 Performance Kit; CSC Go!, QMB139 Add ½ horsepower and cut nearly 1.5 seconds in the quarter mile while adding extra MPH of top speed for only $127.Includes an NCY Performance CDI, 1000 RPM Torque Spring, Adjustable Carburetor, and 6 Gram Dr. Pulley Roller Weights. and Not legal for use in California on pollution controlled vehicles. Check local laws before installing.