For over 25+ years, Stewart has focused on the development and production of high performance water pumps, resulting in innovations like special high-strength castings, larger flow passages, more efficient impellers, and stronger bearings. Every Stewart pump is hand-assembled. Stewart water pumps are the #1 choice of professional engine builders, race teams and performance enthusiasts, from street rodding and OEM replacement, to the most extreme forms of motorsports in the world.
• Small Block Chevy aluminum short water pump
• 5/8" shaft and 3/4" bearing
• Equal flow to left and right cylinder heads
• High flow and pressure
• 356-T6 heat treated aluminum specially ribbed casting
• Precision ground fan hub with dual bolt pattern
• Zinc-plated rear cover and bolts with two 1/2" NPT auxiliary inlets
• Machined for cam stop bolt (3/8-24)
• Casting has extra material between the mounting holes to allow external pressure lines to be added
• Note: Stage 2 Small Block Chevy Short water pumps MUST use our High Flow modified thermostat