Very large inlet cross section from the patented V-Force 3 system by Tassinari in a Top Performances reed block. Rather than the standard 4 valves, this model has 8. Moto Tassinari produces the best high-performance reed blocks for 2-stroke engines in motocross. The power gained just from this reed block is anything up to approx. 3bhp. Now this technology is available for smaller capacity engines, with a performance increase you can feel. There is no better reed block with better performance potential. A truly top-end product. Suitable for all scooters with 50-125cc Piaggio engines.