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America's Oldest Speed Shop ® 800.979.0122 Lincoln, NE
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800.979.0122

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Billet Chevy Double Groove Upper Pulley - .25 Underdriven

SAME DAY SHIPPING! Order within the next 9 hours 47 minutes and receive same day shipping

Billet Chevy Double Groove Upper Pulley - .25 Underdriven

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What's in the Box

S/B Chevy double groove pulleys. 25% reduction upper pulley. For long or short water pumps. 5/8" shaft.

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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Item Details

(2) 1/16" shims, (1) 1/8" shim
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