The Edelbrock part #8803 Short Water Pump designed for Ford 4.6L V8 Mustangs is ideal to prevent overheating in street rods and street machines, as well as in tow rigs and motorhomes. Using State-Of-The-Art Racing Technology, Edelbrock has designed these Product Features:Standard Impeller Rotation0.750 in. Pilot Shaft0.750 in. Ball/Ball Bearing2.58 in. Block To Hub HeightSatin Finish