When ordering a kit for any engine, it is imperative to know what kind of water pump you are running. Luckily we have all the information you need to decipher just what your vehicle has installed when it comes to Small Block Chevy. There are three different water pumps that came on Small Blocks through the years: Short, Long, and a special short from Corvettes.
Short:
- 5 5/8" From Base of Pump To Flange.
- 5/8" Pilot Shaft Diameter
- Standard Rotation
Corvette Short:
- 5 13/16" From Base of Pump to Flange
- 3/4" Pilot Shaft Diameter
- Standard Rotation
Long:
- 7" From Base of Pump to Flange
- 5/8" Pilot Shaft Diameter
- Standard Rotation
Aftermarket Reverse Rotation Short
- Special Aftermarket Water Pump Included with all Small Block Chevy CVF Wraptors™
- 5 5/8" From Base of Pump to Flange
- 5/8" Pilot Shaft Diameter
- Reverse Rotation