Moroso 22843 Large Style 4-Vane Vacuum Pump - with Dual Line Manifold

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.

Pulls large consistent vacuum numbers

Creates vacuum quickly and linearly

Virtually maintenance free, designed with maintenance-free precision sealed roller bearings

Includes a manifold for dual feed applications or installation of a relief valve

Comes with a 36 tooth 3/8" pitch 1/2" wide Gilmer pulley, adjustable mounting bracket and -12AN fittings

5.030" O.D. body, 6.175" from back of mounting bracket to end of slot on front of pulley