Moroso 22840 Enhanced Design 3-Vane Vacuum Pump Kit - Billet Aluminum Design

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 requirement.

Billet Aluminum Design

Weighs less than "original" style pumps

Designed with maintenance-free precision sealed roller bearings that provide a higher maximum shaft speed versus "original" style pumps

Includes -12AN Fittings

Mounting bracket not included

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