Black Electric Water Pump 35 GPM Small Block Chevy admin June 22, 2023 Black Electric Water Pump 35 GPM Small Block Chevy. Inlet Hose: 1.75. Inlet: Thread Size 3/4″ NPT, Length 3″. Overall Depth: 6.7. Inlet Tube Can Be Mounted Left or Right. Incl: Hardware & Gaskets. New and open packaging. Share