Introducing the Fynspray Water Pump with a 5" pulley, featuring a new and improved design for enhanced performance. This pump is ideal for engine cooling and various other applications such as bilge pumping and deck wash down. Crafted with a bronze body, stainless shaft, and a flexible neoprene impeller, this pump boasts durability and reliability. With a 16mm shaft diameter and compact dimensions, it is suitable for ski boat applications like small block chev, holden, windsor, and cleveland engines. Trust the Fynspray Water Pump for efficient and high-volume water pumping needs.