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Small Block Chevy Aluminum Single Upper Pulley, Short Pump

Specs
Material Type:
Aluminum
Sold in Quantity:
Each
Belt Type:
V-Belt
Finish:
Natural
Groove Count:
1
Bolt Hole Pattern:
4 on 1.75
Overall Length:
3.00
Shaft Diameter:
.63
Outside Diameter:
6.60
Mounted Length:
2.38
Belt Width:
.38
Notes
Mounted length is from the face of the water pump pulley mount towards the front of the engine. Center hole can be drilled to .75" if needed.
Small Block Chevy Aluminum Single Upper Pulley, Short Pump
Small Block Chevy Aluminum Single Upper Pulley, Short Pump
Small Block Chevy Aluminum Single Upper Pulley, Short Pump

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Details

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Q & A (1)

What's in the Box

Info

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 Details

Single Groove, 6-5/8" Diameter

Notes

  1. 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.
  2. Water Pump ID Chart (GIF)

Specs


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