63917 - Moroso Vacuum Pump

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Part #: 63917
Notes: Replacement Bracket
For Enhanced Design Pump
Your Price: $94.09

This Item Also Available In

Part Number Price Notes & Specs
22630 $66.38 Notes Billet Aluminum Vacuum Relief Valve
Gland Seal (-12 AN Female)
22631 $66.38 Notes Billet Aluminum Vacuum Relief Valve
Face Seal ("Face to Face" thru sheetmetal)
22632 $21.05 Notes Positive Seal Fitting
Size 1/8NPT
22633 $173.16 Notes Vacuum Pump Regulator
22634 $74.68 Notes Positive Seal Vented Fitting
Size -16AN
22635 $58.64 Notes Positive Seal Vented Fitting
Size -12AN
22636 $94.49 Notes Billet Aluminum Vacuum Relief Valve
Size 3/8NPT
22637 $94.49 Notes Billet Aluminum Vacuum Relief Valve
Size 3/4"-16 Thread
22640 $659.96 Notes Original Design 3-Vane Vacuum Pump
22641 $765.95 Notes Original Design 4-Vane Vacuum Pump
22642 $856.03 Notes Enhanced Design 4-Vane Vacuum Pump
Color Hard Anodized
22643 $1,191.83 Notes Pro Mod Style Large Cubic Inch & Blower Motor Pump
22644 $857.99 Notes Enhanced Design 4-Vane Vacuum Pump
Color Natural Aluminum
22645 $149.46 Notes Vacuum Pump Service Kit
3 Vane
22646 $186.14 Notes Vacuum Pump Service Kit, 4-Vane
22649 $144.91 Notes Vacuum Pump Line Kit
22651 $52.06 Notes Vacuum Pump Replacement Line
22840 $647.04 Notes Enhanced Design 3-Vane Vacuum Pump, -12AN Fitting, Hard Anodized Finish
Color Hard Anodized
22842 $744.10 Notes Enhanced Design 4-Vane Vacuum Pump, -12AN Fitting, Hard Anodized Finish
Color Hard Anodized
22843 $1,319.27 Notes 4-Vane Vacuum Pump
Large Style
23520 $41.35 Notes V-Belt Crankshaft Pulley
Length 2.5"
23523 $57.37 Notes V-Belt Crankshaft Pulley
Length 4.0"
23533 $43.18 Notes Vacuum Pump Pulley
Drive Pulley
Drive Ratio 50%
Teeth 20
23534 $51.85 Notes Vacuum Pump Pulley
Drive Pulley
Drive Ratio 55%
Teeth 22
23535 $46.31 Notes Vacuum Pump Pulley
Drive Pulley
Drive Ratio 60%
Teeth 24

All Fitments

UNIVERSAL
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
0 - 0 NON APPLICATION SPECIFIC ALL ALL ALL ALL ALL ALL

Product Description

The nature of a vacuum pump is to remove air, blow-by gasses and other contaminants from the crankcase of an engine. The vacuum pumps 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 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 five vacuum pump offerings with all the needed accessories have you covered. These pumps will suit nearly any engine combination and requirement.

ORIGINAL DESIGN 3-VANE VACUUM PUMP

  • Versatile Billet aluminum design
  • Engineered vane material for improved efficiency and wear
  • Completely rebuildable in 15 minutes

ORIGINAL DESIGN 4-VANE VACUUM PUMP

  • Versatile Billet aluminum design, well suited for wet or dry-sump applications
  • Engineered vane material for improved efficiency and wear
  • Completely rebuildable in 15 minutes

ENHANCED DESIGN 4-VANE VACUUM PUMP

  • “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
  • Kit includes versatile mounting bracket, and -12AN fittings
  • Designed with maintenance-free precision sealed roller bearings
  • Pump No. 22644 is natural aluminum finish designed to be polished, interior hard coated for wear resistance

PRO-MOD STYLE LARGE CUBIC INCH ENGINES & BLOWER MOTOR PUMP

  • Large displacement creates incredible vacuum
  • Flows up to 150% more than Original Design
  • Can achieve up to 26 inches of vacuum
  • Utilizes sealed maintenance free bearings
  • Adjustable bracket and fittings included

VACUUM PUMP BRACKETS
Moroso offers Anodized Billet Aluminum Vacuum Pump Mounting Brackets that fit a variety of engine and vacuum pump combinations. These brackets fit the engines directly or mount to a motor plate. Refer to the listings.

BILLET ALUMINUM EQUALIZING PLATES WITH FITTINGS

  • Includes 1/8” NPT Fitting and –12AN Fitting
  • Allows the vacuum pump and vacuum gauge to be connected
  • Can also be used as a drain back location
  • Black Anodized

VACUUM PUMP LINE KIT

  • Includes 6 feet of steel reinforced hose, two 90 degree hose fittings and two –12AN straight hose fittings
  • Designed to simplify Vacuum Pump installation

BILLET ALUMINUM VACUUM RELIEF VALVES

  • Two styles allow fastening through valve covers (No. 22637) or threaded directly into lifter valley (No. 22636)
  • Vacuum relief point is adjustable by shimming an internal spring to get the precise amount of vacuum desired
  • Can be disassembled for easy cleaning and maintenance and works with any vacuum level
  • They are made of 6061 T6 Billet aluminum and have a clear, attractive finish

VACUUM PUMP REGULATOR

  • Regulator screws directly into vacuum pump’s -12AN inlet
  • 360º directional adjustability
  • Prevents the need for drilling additional holes in the valve cover
  • Anodized – clear
  • Prevents pulling excess oil out of the crankcase

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