Stewart Stage 4 Chevy Small Block short style 5.625 hub height 3/4 shaft severy duty with adjustable casting

Description

Chevrolet Small Block
Short Stage 4 – 42200

• 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
• Adjustable mounting holes
• High Flow Pump
• Cast Aluminum Finish

The Stage 4 Pumps incorporate the all new DRV-series 8 vane CNC machined6061-T6 billet aluminum impellers. Developed by Stewart Components, these impellers flow up to 41% more water at twicethe 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 cylinderheads
• More flow than any pump available
• More pressure than competing pumps
• Less horsepower consumption
• Precision ground ?î steel billet fan hub with dual bolt pattern for perfect pulley alignment
• Fan hub set screw for positive positioning