Chevy Big Block Electric Water Pump - 35 GPM, Chrome Aluminum, 396, 427, 454 35 GPM Electric Water Pump, 12 Volt Chrome Plated Aluminum Gaskets and Mounting Hardware Included 1 3/4" Inlet Fitting, Overall Depth: 7.1 in Fits Big Block Chevy 396, 427 & 454 Engines