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Steeda Underdrive Pulleys (96-Mid 01 GT)

Market Price $268.99 You Save 11% ($29.04)
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  • Item 16088
  • MPN# 701-0001

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Features & Details

  • SFI Approved
  • 8 - 10 RWHP Recovery
  • Improves Fuel Economy
  • 25% Reduction in Parasitic Accessory Drag
  • Exceeds OEM Material Specifications
  • Reuses Stock Belt
  • Fits 1996 to Mid 2001 GT Mustangs
Regain Lost Power. Get back the power and torque your belt-driven accessories steal. As hard as it may be to believe, you can regain from 8 to 10 “free” horsepower with Steeda’s underdrive pulleys. These pulleys reduce engine parasitic drag from your accessories by about 25% and even improve fuel economy.

Superior Materials. Steeda underdrive pulleys are manufactured from nodular iron, and far exceed the quality of the stock pulleys. The one-piece crankshaft pulley uses a high-tech injection molded bonded rubber damper, making it far more durable than other manufactures "piggyback style" underdrive pulleys.

SFI Approved. Steeda underdrive pulleys are SFI approved for use by all major race sanctioning bodies.

Application. These Steeda Underdrive Pulleys are specifically designed for use on the 1996 to Mid 2001 4.6L V8 GT Mustangs and reuse the stock belt.

Note: Coupon codes cannot be applied to this product.

Technical Note. Midway through the production run for the 2001 model year Ford changed the design of the water pump on the 4.6L engine. The older style pump produced from 1996 to mid 2001 had a longer shaft. In January of 2001 the design of the pump was changed to a shorter shaft. This necessitated a change in the design of the pump pulley.

Click here to see pictures of the different pulley styles.

Fitment: 1996 1997 1998 1999 2000 2001 Details

What's in the Box
Hardware included:
  • Crankshaft pulley
  • Water pump pulley
  • Alternator pulley
  • Crankshaft pulley starter bolt*
* must be removed after seating pulley
Installation Info
Tech Specs
UnderDrive Pulley Specifications
Year/Model: 96-mid01 GT Manufacture: Steeda
Material: Steel Finish: Black
Crank Pulley: One Piece Crank SFI Certifited: Yes
Will it fit my Mustang?
  • GT - 96, 97, 98, 99, 00, 01

Fits 1996 to Mid 2001 GT Only

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Most Helpful Reviews

Love everything Steeda

For those looking for pulleys, you should ONLY consider the Steeda's. Do not look at any piggyback pulleys. Absolutely amazing throttle response. Noticed more low end grunt. Went ahead and bought a new ...

Read More
Helpful (1)

Great product from steeda

Pulleys are well made ...easy to install ..great product and great service from Am

Helpful (1)

Overall Rating 4.7 out of 5 stars
Read All 60 Reviews

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3 Questions / 5 Answers

Ask a Question

Does this require a tune or would a tune be beneficial with this?


Helpful (0)
  • There is no tune required for these pulleys.


Sound System I have 2 10' subs, a 800w amp and a 600w amp. Should I be worried about buying a more amperage alt?


Helpful (0)
  • I also have 2 10" subs kicker 800 watts rms each 2 amps one is a kicker 1x1000 watts and another for my highs 4 channel 100 watts per channel and an optima yellow top battery with also under drive pulleys and it works just fine u don't need to have a bigger alternator but the more amps it has the better i have a 130 amp alternator and it works just fine. hope this helps


crank pulley bolt do u need to get a new one.


Helpful (0)
  • No you do not as long as you have the stock one still. It comes with a long one for install but do not put it all the way in. Go by the instructions for that. Just make sure to get the bolt torqued to spec and you should be good.


Show 2 more answers

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Customer Reviews (60) Write a Review

Overall Rating 4.7

out of 5 stars

Installation Time:Full Day

Installation Cost:0-$100

  • Performance Gain 4.384615 4.4
  • Fit 4.692307 4.7

  • 5/5

    February 06, 2017

    2000 gt Steeda underdrive pulleys

    Great product as is expected I can tell the difference and low-end torque and the car is driving much more smoother thanks American Muscle


    Year: 2000 Submodel: GT

    Helpful (1)

  • 5/5

    August 11, 2016

    Great product from steeda

    Pulleys are well made ...easy to install ..great product and great service from Am


    Year: 2001 Submodel: GT

    Helpful (1)

  • 5/5

    Installation Time: Afternoon

    October 17, 2015

    Love everything Steeda

    For those looking for pulleys, you should ONLY consider the Steeda's. Do not look at any piggyback pulleys. Absolutely amazing throttle response. Noticed more low end grunt. Went ahead and bought a new ARP bolt when putting on the balancing pulley. I have a JL 12 and 500w amp with all alpine speakers inside and a candy amp pushing those. No charging problems what so ever. I have not noticed any light dimming or anything. If you are looking to get the most out of your engine and staying N/A, DO IT.


    Year: 2000 Submodel: GT Wichita, KS

    Helpful (1)

  • 5/5

    April 06, 2013

    What a great mod!

    The install was pretty straight forward, you will need high temp silicon, a harmonic balance puller from an auto parts store and an impact wrench for the alternator nut. I felt the difference right away. You can really feel the torque increase, especially in first gear. My car feels a lot smoother after I put these pulleys in. You cannot go wrong with Steeda!


    Year: 2000 Submodel: GT Georgia, USA

    Helpful (1)

  • 5/5

    February 28, 2010

    best underdrive pulleys ive used

    I think these are really worth the money. I tried the piggy back kind and they wobble and I had other issues. Well with the steeda UDP's you have no worries because these rock!!! They were very easy to install and if you order a high volume water pump before you install the water pump pulley you will get better flow of your coolant. The alt can be removed with a electric impact from your local parts store for dirt cheap. You should have ordered them already by the time you read all this!!!


    Helpful (1)

  • 4/5

    June 11, 2008

    97 GT

    Very easy to install, if you remove the fan. Nice HP increase and feel.


    Year: 1997 Submodel: GT

    Helpful (1)

  • 5/5

    June 28, 2010

    Good pulleys

    these pullies are much better then the BBK option, go with this if your considering this mod. Steeda pullies come with a calibrated counterwieght where the bbk cheaper ones do not, they have you bolt up your old counterweight to the bbk pullies = old + new parts that don't mesh wel and don't put down as much power as the steeda, spend the extra 50 buck and do it right.


    Helpful (35)

  • 5/5

    June 07, 2010

    Great product

    Easy Kit to install, had to source a shorter bolt as my car had a piggyback style setup on it already. But definate improvement in performance and the car revs more freely as well. A good investment for the performance orientated buyer.

    Brian M

    Helpful (13)

  • 5/5

    January 16, 2008

    1998 mustang gt

    I recently received my underdrive pulleys and must say definately worth it!!Especially for us non PI drivers.I\'ve heard a lot about the HP and gas saving abilities for these pulleys both true,but it was the tourque thats really impressed me most,nice broad flat curve.anyway thank you steeda for another great product,and thank you american muscle for your proffesional service

    John Vaughn

    Year: 1998 Submodel: GT

    Helpful (10)

  • 4/5

    June 15, 2010

    steeda pulleys

    these underdrive pulleys are the way to go!! they are by far the best pulleys available for your mustang. only downfall of these pulleys is if you have a big amp and subs in your car you will need a bigger alternator. but other wise i give these pulleys a thumbs up!


    Helpful (12)

  • 4/5

    Installation Time: Shop Install

    Installation Cost: 0-$100

    May 13, 2012


    I replaced my stock pulleys with some Steeda under drive pulleys and OMG you can't imagine how it feels after the install. Runs great and feels like a gave it life again.. good performance gain and i paid $75 for the install took over 2hrs but well worth the wait.


    Year: 1999 Submodel: GT Laredo, TX, USA

    Helpful (5)

  • 5/5

    May 23, 2011

    A Must-Have product for your automatic

    I was skeptical before purchase thinking there wouldn't be an improvement in power or fuel economy. But after purchase and install, I immediately "felt" the horsepower difference and now my buddy is jealous. Fuel economy is not hurting my wallet anymore. Removal & installation was easier and in minutes with an impact gun for the alt and crank. I would rate this Steeda product 10 stars and would not recommend other brand pulleys! Thanks AM, for the timely delivery!

    Daniel L.

    Year: 1998 Submodel: GT

    Helpful (5)

  • 5/5

    December 31, 2010

    Go Steeda

    Just had these installed yesterday. I can tell a noticeable gain in acceleration.


    Helpful (5)

  • 5/5

    August 20, 2011

    easy install

    i think it took me more time renting the tools i needed than installing them. did it by myself in like 40mins (no breaks). i watched the video about 100 times. lol you can tell a little HP gain but revs way more freely. can wait to go to the track.


    Year: 2001 Submodel: GT

    Helpful (2)

  • 5/5

    June 06, 2008

    2000 GT

    Easy install. Steeda Quality is the best! Nice little HP pick up. Had no issues with engine temperature or charging.


    Year: 2000 Submodel: GT

    Helpful (1)

  • 4/5

    June 23, 2009

    Great Product!

    Great product! A little tricky to get the old alternator pulley off but well worth the struggle! Now i can just wave goodbye to the Z28\'s!


    Helpful (2)

  • 5/5

    Installation Time: Less than 1 Hour

    November 17, 2012


    GREAT PRODUCT Fit great easy to put on advise to buy the steeda underdrive pullys the come complete 2000 Mustang GT underdrive pullys, bbk 78mm throttle body,improvement intake , BBK CAI. , cobra R wing ,lowering springs ,glow gadges, SR Performance Short Throw Shifter ,Mach 1 Grille Delete Kit ,J&M Caster Camber Plates ,BBK Chrome Tuned Length Shorty Headers ,pypes off road racing X pipe, flow master 40's ,Mach 1 Chin Spoiler ,Black Rocker Stripes w/ Cobra Lettering ,Rear Window Louvers ,Ford Racing 4.10 Gears and Bama Tuner ,Rear Window Louvers ,Cobra Badges


    Year: 2000 Submodel: GT

    Helpful (0)

  • 4/5

    Installation Time: Shop Install

    Installation Cost: $100-$250

    July 22, 2013

    Must have!

    I wasn't sure about this product or how it would perform, but after having it installed. I'm a satisfied customer.


    Year: 1998 Submodel: GT Roseville, CA, USA

    Helpful (0)

  • 2/5

    March 31, 2008

    2000 Roush

    Very easy to install.

    Bob Stogner

    Year: 2000

    Helpful (0)

  • 5/5

    November 14, 2010

    I'm satisfied

    I ended up buying directly from Steeda because A.M. was out. Great info on A.M. website about how to install. Did it entirely myself by borrowing a friend's impact wrench and renting a puller. Had to remove the fan to get clearance to access balancer bolt. Impact wrench removed/installed alternator pully with no problem. Ran great and got 25 mpg highway on 2001 GT with BBK cold air and CAT back exhaust.

    Mr. Mustard

    Year: 2001 Submodel: GT

    Helpful (0)

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