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Small Block Chevy Short Water Pump Gilmer Drive Kit
Small Block Chevy Short Water Pump Gilmer Drive Kit

Small Block Chevy Short Water Pump Gilmer Drive Kit

1 Review | 4 Answered Questions
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Small Block Chevy Short Water Pump Gilmer Drive Kit
Small Block Chevy Short Water Pump Gilmer Drive Kit
Small Block Chevy Short Water Pump Gilmer Drive Kit
Small Block Chevy Short Water Pump Gilmer Drive Kit
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Small Block Chevy Short Water Pump Gilmer Drive Kit
Small Block Chevy Short Water Pump Gilmer Drive Kit
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Part # 91315921
$100.99
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  • Both upper and lower pulleys included
  • Upper 28 tooth pulley, 16 tooth lower pulley and 22-1/2" Gilmer belt
  • 43% reduction to eliminate overheating and belt slippage
  • Adjustable water pump 910-15582 is recommended for use with this kit
  • Must be used in conjunction with Mandrel Drive Kit # 913-15920

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Details

MFG. Part #:
91315921

Info

  • Both upper and lower pulleys included
  • Upper 28 tooth pulley, 16 tooth lower pulley and 22-1/2" Gilmer belt
  • 43% reduction to eliminate overheating and belt slippage
  • Adjustable water pump 910-15582 is recommended for use with this kit
  • Must be used in conjunction with Mandrel Drive Kit # 913-15920 as noted below.

Note: This  kit will work with most "short" water pumps, but hub heights do vary slightly depending on manufacturer. Some modification of the mounting holes may be required. This kit WILL NOT work with "long" water pumps as the crankshaft to hub center height is 5/16" greater than that of a "short" pump.

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.  

Important Messages

  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
Some parts are not legal for use in California or other states with similar laws/regulations

What's In The Kit

Each kit from Speedway Motors is carefully packaged and delivered right to your door. Below is a list of all the items you should expect to receive when you order this kit. Some of these items may also be available for sale individually if you're here looking for replacement parts.
  • Brinn 38030 Gilmer Water Pump Drive Pulley, 28 Tooth
    Qty x 1
  • Brinn 38016 Gilmer Mandrel Drive Pulley, 16 Tooth
    Qty x 1
  • Brinn 38061 Mandrel Drive Belt Guide Washer
    Qty x 1
  • Gilmer Replacement Drive Belt 1 Wide, 22.5 Inches Long
    Qty x 1

Reviews

Q & A

Videos & Articles
  • What happens when you advance or retard a camshaft? In this tech article, we explain the pros and cons of installing your cam straight up, advancing or retarding.
  • Learn the basics to engine performance like; how does a cam work? What is Valve lift, duration, lobe separation angle, and cam profiles? Afterwords selecting the right camshaft will be less of a guessing game!
  • Rebuilding an engine? Stay organized by using a valvetrain rocker arm organizer tray while disassembling the valvetrain components. Learn some tips on why you shouldn't mix up lifters if you intend on using them again.
  • Learn how to re-build a junkyard Small Block Chevy. A step-by-step guide on how to select a SBC, machine the valve guide bosses down, and what parts to use to upgrade to your personal liking.

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