The Doublestack Impeller is ideal for the world of watercraft propulsion systems. This innovative impeller is created by welding two impellers together and machining them to fit a specific model watercraft. By having two impellers in one pump, it creates a greater acceleration and a significant increase in top speed due to the increased pump pressure. This advanced technology is perfect for jet boats, sport boats, and jet skis. It provides the ideal solution for pulling tubers and wakeboarders, as it delivers a smooth, powerful performance that can handle the extra weight with ease. One of the most significant benefits of the Doublestack Impeller is that it improves gas mileage, making it a more efficient and cost-effective solution for watercraft enthusiasts. Whether you are a recreational user or a professional racer, this innovative propulsion system can take your watercraft to the next level of performance. Overall, the Doublestack Impeller is a must-have for anyone looking to enhance the performance of their watercraft. It delivers exceptional acceleration, increased top speed, improved gas mileage, and a smooth, powerful ride that is perfect for any water sports enthusiast.