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Product Summary

Chevy Small Block V8, Mechanical Water Pump Type

  • Impeller adds 14HP @ 7,500 RPM
  • Overall length of 5.603" from rear mounting face to hub face
  • Features a computer designed housing cast from 356-T6 aluminum
  • Fits 1955-1968 “Short” design 5/8" shaft S/B Chevy applications
  • The lightweight impeller maintains consistent coolant temp throughout the water jacket

Key Specs

MFG. Part #63500
BrandMoroso
Water Pump TypeMechanical
Water Pump StyleShort
Pump FlowHigh-Volume

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Details

Moroso first pioneered the aluminum water pump for racing over 15 years ago. Over the years, continual improvements have resulted in providing the best cooling system components available for competition use.

  • Computer designed housing cast from 356-T6 aluminum
  • Lightweight impeller maintains consistent coolant temp throughout the water jacket
  • Low-drag impeller adds 14HP @ 7,500 RPM 
  • Includes integral cam stop boss
  • Overall length of 5.603" from rear mounting face to hub face  

Fits 1955-1968 “Short” design 5/8" shaft S/B Chevy appliactions. Note: Pump will not clear a billet 910-11040 timing cover.

Learn how to choose the correct water pump for your application by reading our tech article.  SBC - Short vs Long Water Pump.    

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Specifications

KEY SPECS
MFG. Part #63500
BrandMoroso
Water Pump TypeMechanical
Water Pump StyleShort
Pump FlowHigh-Volume
GENERAL
RotationClockwise/Standard
Housing MaterialAluminum
Housing FinishNatural
Housing ColorNatural
Block to Hub Distance5.625 Inch (5-5/8")
Hose ID1.83"
Shaft Length0.38"
Pilot Shaft Diameter0.63 Inch
Gasket(s) IncludedNo
Weight5.1 lbs.
Sold in QuantityEach
NotesClearance from back of pump to engine block mount is .81" Mounting hole boss height: Passenger Lower: 2", Passenger Upper: 1-1/8", Driver Upper: 7/8", Driver Lower: 1-1/8".
GTIN Code084663635007