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Small Block Chevy Aluminum Single Upper Pulley, Short Pump

Specs
Material Type:
Aluminum
Overall Length:
3.00
Sold in Quantity:
Each
Finish:
Natural
Shaft Diameter:
.63
Outside Diameter:
6.60
Belt Type:
V-Belt
Mounted Length:
2.38
Bolt Hole Pattern:
4 on 1.75
Belt Width:
.38
Groove Count:
1
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 PumpSmall Block Chevy Aluminum Single Upper Pulley, Short Pump
Small Block Chevy Aluminum Single Upper Pulley, Short Pump

Click image to enlarge

Details

Reviews

Q & A

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.

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


Item Details

Single Groove, 6-5/8" Diameter

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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.

 

 

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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.

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Learn more about using different water pump accessories to best fit your application by reading our tech article.  SBC - Short vs Long Water Pump