Chevrolet Small Block Short Stage 4 - 43103

$325.95 ADD TO CART

​The Stage 4 Pumps incorporate the all new DRV-series 8 vane CNC machined 6061-T6 billet aluminum impellers. Developed by Stewart Components, these impellers flow up to 41% more water at twice the pressure than traditional designs... while consuming less horsepower.

  • Chevrolet Small Block - Short
  • 5.795" Length
  • 3/4" Bearing
  • 3/4" Shaft
  • Racing Application
  • Special Severe Duty Pump
  • High Flow Pump
  • Cast Aluminum Finish

These are premium water pumps and carry the following features:

  • Models with 3/4" ball/roller bearings offer five times the strength of standard bearings
  • Equal flow to left and right cylinder heads
  • High flow and pressure
  • 356-T6 heat treated aluminum specially ribbed casting
  • Maximum flow close tolerance DRV-8 aluminum impeller
  • Zinc-plated rear cover and bolts
  • Two 1/2" NPT auxiliary inlets
  • More flow than any pump available
  • More pressure than competing pumps
  • Less horsepower consumption
  • Precision ground ½” steel billet fan hub with dual bolt pattern for perfect pulley alignment
  • Fan hub set screw for positive positioning

Note: Stage 2,3, and 4 Small Block Chevy Short water pumps MUST use our High Flow modified thermostat.