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SR Performance Underdrive Pulleys - Black Steel (86-93 5.0L)

11 Reviews
Our Price

$69.99

  • Item #94331
  • MPN #2155791
  • Market Price $79.99
  • You Save 13% ($10.00)
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Features
  • Free up horsepower
  • Complete 3 piece kit
  • Durable steel construction
  • Black finish
  • Premium quality
  • Fits 1986-1993 5.0L V8 Mustangs
Description
Free Up Horsepower. A set of SR Performance Underdrive Pulleys reduce parasitic drivetrain loss by cutting down the amount of power your accessories take up, these underdrive pulleys will free up 10+ horsepower, without sacrificing cooling and charging functionality of your Pony.

Premium Quality Construction. CNC-machined from aircraft grade quality steel alloy for strength and durability, these SR Performance pulleys feature a gloss black powder coated finish for aggressive good looks and long lasting corrosion resistance.

Easy Installation. These SR Performance Mustang Underdrive Pulleys install quickly and easily in under 2 hours with no modifications required.

Application. This SR Performance 3-Piece Steel Underdrive Pulley Kit is designed for use on 1986 to 1993 Ford Mustangs equipped with the  iconic push rod 5.0L V8 engine, including the LX 5.0, GT and SVT Cobra models.

Mustang Fitment: 1986 1987 1988 1989 1990 1991 1992 1993 Details

What's in the Box
  • (1) water pump pulley
  • (1) alternator pulley
  • (1) crank pulley
  • (4) bolts
Installation Info

Installation Time: (approx) 2 Hours

Difficulty Level:Advanced mechanical skills required.

Tech Specs
UnderDrive Pulley Specifications
Year/Model: 1979-1993 5.0L V8    
Material: Steel Finish: Black
Crank Pulley: Piggyback SFI Certifited: No
Fitment
  • Foxbody - 86, 87, 88, 89, 90, 91, 92, 93

Fits 5.0L V8's Only

Most Helpful Reviews View All

Overall Rating 4.7/5 Write a Review
5/5
Pullies work GREAT

Work awesome, easy install. Engine rpms seem to climb quicker easy bolt on for cheap horsepower.

Helpful (2) (0)

5/5
Well Worth the Money

Easy Install. Could feel the performance gain instantly. RPMs climb faster. Cheap price. Great deal. Definitely worth the money.

Helpful (2) (0)

Customer Photos

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Q & A (1 Questions, 1 Answers) Ask a Question

can i use my old belt I don't have ac or smog pump

losgamin Year: 1993 Model: GT

Good Question (0) (0)
  • You can run a 4 cyclinder a/c belt but instead of running it under the idler pully run the belt over the pully. In other words instead of the idler pully pushing down on the belt run the belt over the pully. You will have to loosen up the idler to get it to run over it and then tighten the idler back. I ran mine this way for years and it worked great.

    Helpful (0) (0)

    gary1027 Year: 2014 Model: V6

    Top 1000 Contributor

Answer This Question

Reviews (11) Write a Review

  • 5 Stars .73 73%
  • 4 Stars .27 27%
  • 3 Stars 0 0%
  • 2 Stars 0 0%
  • 1 Stars 0 0%
4.7

out of 5 stars

10 Customers Recommend this Product

Installation Time:Less than 1 Hour

  • Performance Gain: 4.6 4.6/5
  • Fit: 4.6 4.6/5
  • Bang For Your Buck: 4.777778 4.8/5
Filter By Sort By
  • 5/5

    Well Worth the Money

    February 25, 2013

    Easy Install. Could feel the performance gain instantly. RPMs climb faster. Cheap price. Great deal. Definitely worth the money.

    Brett17

    Year: 1988 Model: Other Driving Style: Daily Driver 'Stangs I have owned: 1 Florida

    Helpful (2) (0)

  • 5/5

    Pullies work GREAT

    January 01, 2010

    Work awesome, easy install. Engine rpms seem to climb quicker easy bolt on for cheap horsepower.

    Dave W

    Helpful (2) (0)

  • 5/5

    Sr performance under drive pulleys

    March 24, 2013

    Put this on a 91 lx along with a cold air intake and could tell a big difference immediately. I would defiantly recommend the under drive pulleys.

    Dylan19

    Year: 1991 Model: Other Driving Style: Street / Strip 'Stangs I have owned: 3 Atkins, AR

    Helpful (1) (0)

  • 4/5

    this product is ok

    March 22, 2013

    Really didn't feel any difference, and the actual parts felt fragile.

    biran11

    Year: 1990 Model: GT Driving Style: Daily Driver 'Stangs I have owned: 2 10233 State Street, Lynwood, CA 90262, USA

    Helpful (1) (1)

  • 5/5

    1990 5.0

    May 28, 2012

    Rpm climb faster than normal easy fit and job but really quick to get done took about 30 min for old off and new on

    90mustang

    Year: 1990 Model: GT Driving Style: Street / Strip 'Stangs I have owned: 3 Branson, MO, USA

    Helpful (0) (1)

  • 5/5

    Great inexensive upgrade

    October 15, 2014

    Bought this for my son's LX, bolted right up and looks great! Alternator pulley was most challenging to get off without any power tools but was definitely worth it.

    Trmn8tr

    Year: 2003 Model: Cobra Driving Style: Street / Strip 'Stangs I have owned: 3 Colorado, USA

    Helpful (0) (0)

  • 5/5

    Works great!

    April 28, 2014

    Installed and works great! I'm glad you had an affordable option.

    Njjack2

    Year: 1990 Model: Other Driving Style: Daily Driver 'Stangs I have owned: 1 Tallahassee, FL, USA

    Helpful (0) (0)

  • 5/5

    1993 mustang

    January 18, 2013

    I installed these user drive pullies in about twenty minutes and when I drove the car I could immediately feel the difference the Rpms shot up with easy and it definitely felt like the car pulled hard I would definitely recommend these pullies

    Rob1721

    Year: 1993 Model: Other Driving Style: Daily Driver 'Stangs I have owned: 2 San Antonio, TX, USA

    Helpful (0) (0)

  • 5/5

    show me the money!

    September 21, 2012

    Well worth the money for the performance u get . Can churp the tires in third and don't realy have to try!

    gt274me

    Year: 1991 Model: GT Driving Style: Daily Driver 'Stangs I have owned: 2 Kewaunee, WI, USA

    Helpful (0) (0)

  • 4/5

    Easy power

    June 30, 2012

    Improved power snap, you can feel the small power gain. Finish on the parts was ok but definetly not a show part. Unexpectedly improved my idle! Worth the money and time without a doubt.

    89markvii

    Year: 1989 Model: Other Driving Style: Street / Strip Redmond, OR

    Helpful (0) (0)

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