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Part # 91015540

Stewart Components 32203 Stage 3 Small Block Chevy Water Pump, Short

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  • Features 1/2" thick steel fan hub with set screw for positive positioning
  • Made from 356-T6 heat treated aluminum casting
  • 3/4" bearings offer 5 times the strength of standard bearings

$179.99

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Product Summary

Chevy Small Block V8, Mechanical Water Pump Type

  • Features 1/2" thick steel fan hub with set screw for positive positioning
  • Made from 356-T6 heat treated aluminum casting
  • 3/4" bearings offer 5 times the strength of standard bearings
  • Precision impeller installed to exacting tolerances

Key Specs

MFG. Part #32203
BrandStewart Components
Water Pump TypeMechanical
Water Pump StyleShort
Pump FlowHigh-Volume

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Details

These pumps are assembled with 356-T6 heat treated aluminum castings. Precision CNC machined components. The fan hubs are 1/2" thick and machined from billet steel. These pumps are preferred by many top engine builders for higher RPM applications.

These Stage 3 water pumps feature 1/2" thick steel fan hub with set screw for positive positioning and 356-T6 heat treated aluminum casting. The S/B Chevy pump has an extra rigid cam stop with a 3/8" adjusting screw. The extra material adjacent to the block mounting bolts allows drilling and tapping up to 1/2" NPT holes for external cooling lines on S/B Chevy. There is higher flow and pressure for better cooling as well as equal flow to right and left cylinder heads. The 3/4" bearings offer 5 times the strength of standard bearings. Precision impeller installed to exacting tolerances. One year manufacturers warranty.

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 #32203
BrandStewart Components
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")
Heater Inlet Size1/2" NPT
Hose ID1.80"
Shaft Length0.86"
Pilot Shaft Diameter0.75 Inch
Gasket(s) IncludedYes
Hardware IncludedNo
Weight6.15 lbs.
Sold in QuantityEach
NotesClearance from back of pump to engine block mount is 1.00" Includes hardware for cam adjustability.
GTIN Code694455000755