Engine dynamometer tests prove that many water pumps produce severe drag on the engines at high RPM, absorbing as much as 15-20 HP Universal application fits virtually every American V8 or V6 engine, including Chevy V8 and 90° V6 either “short” or “long” design, Ford 351C, 351W, Ford Big Block and Chrysler Small and Big Blocks Comes complete with 12 volt electric motor, all drive pulleys, belt, fasteners, and toggle switch Intended for Drag Race applications only Use with Moroso Thermostatic Switch No. 63760 and Alternator Mount Drive Kits