Hoca GY6 4T Power Pack, Part #169-162

Hoca 4T Racing Kit for 150cc and 125cc GY6 4-stroke Scooters and Engines. This kit includes everything you need to increase overall speed, horsepower and torque. You may need to modify your engine case to accommodate the larger cylinder. This kit includes a different style carburetor than is typically found on stock scooters, therefore, you may need to modify your throttle cable. Includes High Performance: Chrome Racing Muffler with Mounting Kit. Chrome Header Pipe. PWK 30mm HP Carburetor. Billet Drive Face. Chrome Power Intake. High-Angle Camshaft. 1500 RPM Torque Yellow Drive Spring. Performance Clutch. Machined Variator (115mm). Big Bore Kit (61mm). Complete Performance Cylinder Head. Overall Height (cylinder): 90.3mm.