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SSP-G 47mm Big Bore Head Kit for 50cc 2-stroke 40QMB
25-degree ramp plate
Engine-side Bore: 27mm
Comes fully assembled
Increased Power: Optimized backpressure allows your engine to breathe better
SSP-G GY6 Performance Transmission Kit | 1500 RPM Riding Gear SSP-G 47mm Big Bore HeadThe SSP G GY6 Performance Transmission Kit is a complete CVT upgrade for 125cc and 150cc GY6 4 stroke scooters. Engineered and manufactured in Taiwan, this kit replaces your entire drive and driven pulley system with matched, performance tuned components delivering stronger low end engagement, smoother power delivery, and improved top end performance over stock. The 1500 RPM clutch engagement point is ideal for riders seeking responsive acceleration