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Garage Sale - Small Block Chevy Billet Aluminum Pulley

Garage Sale - Small Block Chevy Billet Aluminum Pulley

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What's in the Box

Small Block Chevy, double groove billet aluminum pulleys. 30% reduction. Available for long or short style water pumps. 5/8" shaft on pulley.

 

This is garage sale priced because it has been discontinued.

 

NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS   

Features

  • High strength billet aluminum construction
  • Superior belt retention with extra-deep grooves
  • 30% reduction slows accessories down for less drag
  • Adds top-end horsepower
  • Reduces water pump impeller speed below cavitation threshold
  • Improved high-RPM cooling capabilities

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Product Q&A

1 questions : 1 answers

1 answers

I have the Speedway Adjustable Aluminum Water Pump (short). What part numbers will i need for my 30% reduction set? I assume I have to machine the center of the new upper pulley out to 3/4"??

Michigan
January 24, 2012

I have the Speedway Adjustable Aluminum Water Pump (short). What part numbers will i need for my 30% reduction set? I assume I have to machine the center of the new upper pulley out to 3/4"??

Answers

January 25, 2012
Eric
Lower pulley 91015494 and upper pulley 91015462 will work for your 30% reduction short water pump application. Yes you will need to machine or drill the upper pulley to 3/4" for that water pump. I recommend using a step drill bit (Uni-bit) in a drill press or take it to a machine shop to have the center hole enlarged to 3/4". Do not use a hand drill as there is no way to keep the hole straight and centered.
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