The all new KSE TandemX Pump is based upon the design of its popular predecessor and is a highly developed “two-in-one” high performance power steering & fuel pump. This pump has been designed to help simplify the racer's engine setup and plumbing while providing the utmost in performance and durability. The TandemX Pump utilizes a single shaft drive to operate both the power steering and fuel pumps or reduced mechanical efficiency losses. The TandemX Pump is compact and is designed to fit almost any racing application with a variety of sizes and mounting configurations. Mount on Back of Dry Sump Pump (CCW Rotation) Cam Drive Pump Off Back of Engine. 3/8” Male Hex Drive. Performance & Simplicity The all new KSE TandemX Pump is based upon the design of its popular predecessor and is a highly developed "two-in-one” high performance power steering & fuel pump. This pump has been designed to help simplify the racer's engine setup and plumbing while providing the utmost in performance and durability. Compact & Efficient The TandemX Pump utilizes a single shaft drive to operate both the power steering and fuel pumps for reduced mechanical efficiency losses. The TandemX Pump is compact and is designed to fit almost any racing application with a variety of sizes and mounting configurations. Design Features & Benefits Weight Savings The updated TandemX design includes an integral power steering relief and a sleek, new lightened profile. This pump additionally offers a considerable weight savings over installing a separate conventional power steering pump and belt drive fuel pump...not to mention the $$$ savings! Smooth & Efficient Operation The TandemX is a gerotor style pump and can be characterized by its durability and efficient operation. This allows for smooth, uniform flow and improved priming capability (unlike diaphragm fuel pumps)