The 400 Series belt driven pumps are show quality outside and race bred inside. They are available for small block Chevy (standard and reverse rotation) and small block Ford. These pumps are all billet construction. This pump was designed for top end performance and longevity in mind. Top end figures match the best racing pumps on the market and off idle flow is 5 to 7 GPM higher than any competitor. It has already proven to be a great success in many forms of racing including off and on-road endurance.