Moroso 22644 Enhanced Design 4-Vane Vacuum Pump Kit - Aluminum Finish

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

Pump No.22644 is natural aluminum finish designed to be polished interior is hard coated for wear resistance