Moroso 22842 Enhanced Design 4-Vane Vacuum Pump Kit -12AN Fitting

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.

"Enhanced Design" pulls 13.9% more vacuum

Can be used efficiently on wet or dry-sump engines

Achieves greater vacuum sooner, virtually maintenance free

4-Vane design weighs less than "Original" style pumps

Designed with maintenance-free precision sealed roller bearings

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