Small Block Chevy Aluminum Single Upper Pulley, Short Pump
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Q & A (1)
What's in the Box
Cast aluminum single groove V-belt upper pulley for 55-68 Small Block Chevy short style water pumps. Fits over 5/8" water pump snout, but can be drilled out to 3/4" if needed.
- Precision machined aluminum construction
- Lightweight and strong
- Single groove for V-belt
- From inside at fan hub to back side of pulley is 2-3/4"
- From back edge of pulley to center of V-belt groove is 5/16"
- Fits over a 5/8" water pump shaft (can be drilled to 3/4" if needed)
- Diameter is 6-5/8"
Get the correct pulleys for your application by learning which water pump you have as explained in our tech article. SBC - Short vs Long Water Pump.
Item DetailsSingle Groove, 6-5/8" Diameter
- It may be necessary to shim either or both of the pulleys to achieve perfect belt alignment. There are variances between manufacturers of both water pumps and pulleys.
- Water Pump ID Chart (GIF)