Frostbite electric water pumps are a great way to free up horsepower and add consistent cooling to high performance engines. They eliminate common issues found in traditional mechanical water pumps Parasitic horsepower loss. Our 35 gallon-per-minute Big Block Chrysler pump is designed to fit into a stock cast iron or aluminum water pump housing. It fits all B and RB engines from 361, 383, 400, 413, 426W, 440, and the 426 Hemi. The black die cast main body features a billet aluminum impeller and black powder coated motor cover for great looks. Included with this electric water pump is a mounting gasket, four mounting bolts, and wiring pigtail.