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

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To Purchase any of these products please go to Related Products below.

PART NO.	AVAILABLE OPTION
97642	Vacuum Pump Vane Kit

 

PART NO.	REPLACEMENT PARTS
97641	Replacement Fittings, -12AN
97181	Rebuild Kit, Enhanced Design Pumps