Description
Stewart Stage 4 pumps are the cutting edge in performance water pump technology. The Stage 4 pump utilizes the EMP/Stewart Components DRV-8 impeller. This exclusive 8 vane impeller is fully CNC machined from 6061-T6 billet aluminum. It’s special design flows up to 160 GPM, while consuming less than 3 horsepower at 4, 500 pump RPM. Stewart Stage 4 pumps are the ULTIMATE water pump for any application! Note: All Stage 4 high flow water pumps require a Stewart/Robert Shaw high performance thermostat for proper performance. Chevrolet Small Block Short Stage 4 – STE42203:
Chevrolet Small Block – Short
1955-68 Passenger Cars
1955-72 Light Trucks
5. 625″ length
3/4″ Bearing
3/4″ Shaft
Special Severe Duty Pump
High Flow Pump
Cast Aluminum Finish The Stage 4 Pumps incorporate the all new DRV-series 8 vane CNC machined 6061-T6 billet aluminum impellers. Developed by EMP/Stewart Components, these impellers flow up to 41% more water at twice the pressure than traditional designs. . while consuming less horsepower. 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
Extra rigid cam stop with 3/8″ adjustment screw for small block models
Two 1/2″ NPT auxiliary inlets
Extra material on small block Chevrolet models for installing external lines to center of the cylinder heads
More flow than any pump available
More pressure than competing pumps
Less horsepower consumption
Precision ground ” steel billet fan hub with dual bolt pattern for perfect pulley alignment
Fan hub set screw for positive positioning
Stewart Components has been a recognized leader in high-flow cooling system technolog for decades, and is currently developing the next generation of high efficiency advanced mechanical and electric water pumps and cooling system components. Stewart Components combines engineering expertise and advanced product development to bring forth innovative solutions. Stewart water pumps are the #1 choice of professional engine builders, race teams and performance enthusiasts, from street rodding and OEM replacement applications, to the most extreme forms of motorsports in the world.
Product :
Water Pump
Mechanical
Stage 4
3/4 in Pilot
Short Design
Aluminum
Natural
Small Block Chevy
Sold Individually
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