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Small Block Ford 302-351W Electric Water Pumps

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Powder Coated
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Clearance from back of pump to engine block mount plate is 1.19"
Small Block Ford 302-351W Electric Water Pumps
Small Block Ford 302-351W Electric Water Pumps

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Q & A

What's in the Box

Small Block Ford Electric Racing Water Pumps feature a specially machined housing to maximize flow. The lightweight aluminum assembly is flow-rated at 35+ gallons per minute and weighs less than 6 lbs. Pump draws 6-7 amps.

  • Joints feature “O” ring gaskets for a perfect seal
  • Black powdercoat finish
  • Includes mounting hardware and wiring pig tail
  • Length of aluminum inlet 3.375" (.75" of which is threaded 3/4")
  • Plate mount center to center: 2.00"
  • From pump bottom to mounting surface: 1.50"
  • From top of outlet shoulder to mounting surface: 3.25"
  • Diameter of the pump: 4.00"
  • Length outside to outside shoulders: 10.125"
  • 10.00" of wiring off the pump, 5.00" off pigtail
  • Plate thickness .15"

Water Pump Rebate (PDF)

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Stewart Components 36114 S/B Ford SVO Stage 3 Water Pump, 5.45 Inch

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.

  • Fan hub has a dual pattern for 1-1/4" and 1-1/2" center to center fan mounting patterns
  • Pump measures 5.581" from mounting point on block to front of hub flange
  • To end of the hub snout is an additional .710" for an overall length of 6.291"
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. 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.

High Performance Water Pump Installation Instructions (pdf)