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1979-93 Mustang SVE Aluminum Underdrive Pulley Kit Clear by SVE Products ®


1979-93 Mustang SVE Aluminum Underdrive Pulley Kit Clear
1979-93 Mustang SVE Aluminum Underdrive Pulley Kit Clear
1979-93 Mustang SVE Aluminum Underdrive Pulley Kit Clear
1979-93 Mustang SVE Aluminum Underdrive Pulley Kit Clear
1979-93 Mustang SVE Aluminum Underdrive Pulley Kit Clear
1979-93 Mustang SVE Aluminum Underdrive Pulley Kit Clear
1979-93 Mustang SVE Aluminum Underdrive Pulley Kit Clear
1979-93 Mustang SVE Aluminum Underdrive Pulley Kit Clear
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Get more horsepower and a better looking engine bay with a set of 1979-1993 Mustang underdrive pulleys!

Item #SVE-8221C

Everyday Low Price: $99.99

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 Benefits

  • Increase Horsepower
  • Reduce Accessory Drive Drag
  • Great Engine Styling

 Features

  • Installs with simple hand tools
  • Fits 1979-93 5.0L or V8 Mustang
  • Billet Aluminum Construction

 What's in the Box

  • (4) Crank Bolts
  • (1) Alternator Pulley
  • (1) Water Pump Pulley
  • (1) Crank Pulley

Less Accessory Drive Drag
1979-1993 Mustang underdrive pulleys are resized pulleys designed to drive a vehicle's accessories at a slower rate than factory. Each kit features a new crank, water pump, and alternator pulley to reduce the amount of power your accessories use, and free up horsepower that was once robbed by your accessory drive. Gains of up to 10+ hp and 2-3 mpg have been seen with the installation of an underdrive pulley kit.

Direct Bolt On
Looking for a quick and easy performance modification for your 1979-1993 Mustang? This underdrive pulley kit is a great direct bolt on to increase horsepower in your 5.0L Fox Body. With a few simple hand tools, you can easily swap out your stock pulleys with these lighter, resized pulleys for a noticeable difference in power!

High Quality Construction
This kit is manufactured from billet aluminum to give you a strong and lightweight addition to your 5.0L V8 motor. With a lighter pulley, you get a quicker spinning accessory drive that will operate more efficiently, increasing horsepower and torque. This kit features a clear aluminum finish to add a custom touch to your engine bay!

Pulley Measurements
  • Alternator Pulley - 2.454"
  • Crank Pulley - 4.618"
  • Water Pump Pulley - 5.437"


SVE Products Limited Warranty - Click Here

  • Ford Mustang - 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993
Fitment Notice
  • The alternator pulley in this kit will only work with the stock 75 amp alternator.
  • The underdrive alternator pulley will NOT work on 3g upgrades.
  • Due to the difference in diameter from the stock Mustang pulleys, the charging system may need to be upgraded if you have a large stereo system. 

Check out our YouTube channel for even more tech tips, installation videos, how-tos, and more. The best place to go for anything Mustang related!


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About This Brand


SVE Products ®
Special Vehicle Equipment is a brand focused on providing superior performance and restoration parts for 1979-present Mustang and Ford Lightning trucks. From kits to swap solutions, SVE fuels the enthusiast lifestyle with problem-solving solutions that provide performance with a purpose. Comprised of the highest quality materials, all SVE products display the thorough research and meticulous attention to detail that went into the development of that part. Rest assured that when you purchase an SVE part, you will know you are purchasing a quality solution that will save you time and money.

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