Moroso 22644 Moroso Enhanced Design Unplated 4 Vane Vacuum Pump w/Adjustable Mounting Bracket

Enhanced Design 4-Vane Vacuum Pump Kit, Natural Aluminum Finish, Mounting Bracket Included

The nature of a vacuum pump is to remove air, blow-by gasses and other contaminants from the crankcase of an engine. Crankcase 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
• Natural aluminum finish designed to be polished, interior hard coated for wear resistance
• 4.375" O.D. body, 5.050" from back of pump to pulley mounting flange