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Moroso 22640K1

Original 3-Vane Vacuum Pump Kit Big Block Chevy

Moroso 22640K1
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Easy Kit

710-22640K1

Moroso 22640K1 Original 3-Vane Vacuum Pump Kit Big Block Chevy $989.55
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Original 3-Vane Vacuum Pump Kit
  • Big Block Chevy
  • Includes pump, bracket, breather tank,V-Belt pulleys, drive kit, hose, fittings

  • Moroso 22640K1 Details

    Orignal Design Vacuum Pumps & Kits

    Pump Features:

  • Versatile Billet aluminum design
  • Engineered vane material for improved efficiency and wear
  • Completely rebuildable in 15 minutes
  • Mounting brackets for different applications
  • Dimensions: 4.150" O.D., 5.050" back of pump to pulley mounting flange

  • Specifications:

    Manufacturer's Part Number:
    22640K1

    The nature of a vacuum pump is to remove air, blow-by gases, and other contaminants from the crankcase of an engine. The vacuum pump's ability to remove the air in the crankcase results in overall engine vacuum. Vacuum will increase horsepower by allowing the use of low-tension compression and oil rings. The use of these pumps 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 pumps with all the needed accessories has you covered. Use Moroso replacement pump fittings only. Moroso Vacuum Pump FAQs.
    Original Design Vacuum Pump

    • 3 or 4-vane pump
    • Billet aluminum housing
    • Pulls much more vacuum than stock smog pumps
    • Special vane material for improved seal and wear
    • -12AN inlet/outlet fittings won't leak
    • Rebuildable in 15 minutes
    • Mounting bracket sold separately

      Enhanced Design Vacuum Pump
    • 3 or 4-vane pump
    • Wet or Dry Sump usage
    • Anodized or natural exterior
    • Pulls 13.9% more vacuum and does so sooner
    • Sealed, maintenance-free bearings
    • -12AN fittings included

      Pro Mod Style Vacuum Pump
    • 4-vane pump
    • Achieves much greater vacuum sooner
    • Flows up to 150% more than original design
    • Capable of up to 26 inches of vacuum
    • Rotor is keyed to shaft, eliminating fastener failure
    • Pump weighs 7 lbs, 8 oz (with bracket and fittings)
    • Sealed, maintenance-free bearings
    • Billet bracket and -16AN beaded fittings included (bracket mounts to motor plate & rotates 360°)


      JEGS Easy Kits are designed by JEGS professionals so you get all the parts you need.

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