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.
Billet aluminum design
Durable vane material for improved efficiency and wear
Easy serviceability
Mounting bracket not included
4.150" O.D. body, 5.050" from back of pump to pulley mounting flange
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PART NO.
AVAILABLE OPTION
22645
Vacuum Pump Vane Kit, 3 Vane Includes Bearing, Seals & Vanes for 22640
PART NO.
MOUNTING BRACKETS
63909
Mounting Bracket, Big Block Ford, Driver or Passenger cylinder heads
63910
Mounting Bracket, All Engines, With a motorplate or Small and Big Block Chevy with Driver/passenger cylinder heads
63911
Mounting Bracket, Small Block Ford, Driver or Passenger cylinder heads
63912
Mounting Bracket, Big Block Chrysler, Driver side of engine block
63921
Mounting Bracket, Ford 4.6/5.4, OEM, Power Steering Pump Location
63922
Mounting Bracket, GM LS,Driver side cylinder head
63923
Mounting Bracket, GM LS,Passenger side cylinder head
PART NO.
REPLACEMENT PARTS
97641
Replacement Fittings, -12AN
97178
Vacuum Pump, Update Kit, Includes All Internals, No. 22640
Prop 65 Warning
