Moroso 22640 Original Design 3-Vane Vacuum Pump -12AN Fittings

The nature of vacuum pump is to remove air, blow-by gasses and other contaminants from the crankcase of an engine. Crankase vacuum will increase horsepower by allowing the use of low-tension compression and oil control rings. In which the use of reduces frictional horsepower losses, blow-by intake charge contamination and aids in detonation prevention. Moroso's "purpose built" racing pumps offer all these advantages and more. Whether you have a normally aspirated Small Block or a nitrous equipped Pro-Mod, one of Moroso's vacuum pump offerings with all the needed accessories has you covered. These pumps will suit nearly any engine combination and reuirement.

Billet aluminum design

Durable vane material for improved efficiency and wear

Easy serviceability

Mounting bracked not included

4.150" O.D. body, 5.050" from back of pump to pulley mounting flange