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SR Performance Underdrive Pulleys - Black (94-98 V6)

AmericanMuscle no longer carries the SR Performance Underdrive Pulleys - Black (94-98 V6). Please check out 1994-1998 Mustang Underdrive Pulleys for an updated selection.
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AmericanMuscle no longer carries the SR Performance Underdrive Pulleys - Black (94-98 V6). Please check out 1994-1998 Mustang Underdrive Pulleys for an updated selection.

Features & Details

  • Free Up 6-10 Horsepower
  • Complete 2 Piece Kit
  • Durable, Lightweight Aluminum
  • Black Powder Coated Finish
  • Premium Quality Construction
  • Fits 1994-1998 3.8L V6 Mustangs
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 6-10 horsepower, without sacrificing cooling and charging functionality of your V6 Pony.

Premium Quality Construction. CNC-machined from lightweight aircraft grade quality aluminum 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 installs quickly and easily in under 2 hours with no modifications required.

Application. This SR Performance 2-Piece Black Aluminum Underdrive Pulley Kit is designed for use on 1994 to 1998 Ford Mustangs equipped with the 3.8L V6 engine. Will require a new 96" serpentine belt.Technical Note: This pulley system requires the use of a 6-rib 96" length serpentine belt.

Fitment: 1994 1995 1996 1997 1998 Details

What's in the Box
  • (1) alternator pulley
  • (1) crank pulley
Installation Info
Tech Specs
UnderDrive Pulley Specifications
Year/Model: 1994-1998 3.8L V6  Manufacture: SR Performance
Material: Aluminum  Finish: Black Powder Coat
Crank Pulley: Piggyback SFI Certified: No
Will it fit my Mustang?
  • V6 - 94, 95, 96, 97, 98

Most Helpful Reviews

5/5
SR Performance Underdrive Pulleys v6

It was a pretty easy installation. You will need an impact. I tried without one and couldn't do it. It looks good and has a performance gain.

Helpful (1)

5/5
Easy mod

Great fitment way lighter then stock pully.Noticable power

Helpful (1)

Overall Rating 4.5 out of 5 stars
Read All 11 Reviews

Customer Photos (2) Submit Your Photo

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3 Questions / 3 Answers

Ask a Question

Why doesn't this fit the 99-00 v6?

DavidM

  • The SR Performance Underdrive Pulleys are designed specifically for the 1994-1998 V6 engine accessory drive, which is incompatible with the later 99+ accessory drive.

    Rob D

Helpful (0)

Will this work with a 2001 3.8

joe874

  • Unfortunately, these pulleys will not work with a 2001 V6.

    AshleyK

Helpful (0)

can someone point me in the direction of the serpentine belt that can fit on this because im having trouble finding one that is 96" that will alow me to use this product. I own a 1998 3.8ltr v6 mustang

supermatt2772

  • It may be difficult to source a 6-rib 96" length serpentine belt when searching by year-model, and we would recommend searching by rib count and length. Your local parts store should carry one as it is a common size. Bando and Dayco make a belt and I would try searching item number 6PK2440 in your favorite search engine.

    AMJEFF

Helpful (0)

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Customer Reviews (11) Write a Review

Overall Rating 4.5

out of 5 stars

Installation Time:Afternoon

  • Performance Gain 4 4
  • Fit 4.777778 4.8



  • 5/5

    Installation Time: Afternoon

    January 28, 2017

    SR Performance Underdrive Pulleys v6

    It was a pretty easy installation. You will need an impact. I tried without one and couldn't do it. It looks good and has a performance gain.

    Phillip

    Year: 1998 Submodel: V6

    Helpful (1)

  • 5/5

    Installation Time: Less than 1 Hour

    January 24, 2017

    Review from SR Performance Underdrive Pulleys - Polished (94-98 V6)

    Easy mod

    Great fitment way lighter then stock pully.Noticable power

    V6staang

    Year: 1996 Submodel: V6

    Helpful (1)

  • 4/5

    September 26, 2016

    Good product

    The pulleys both felt lighter than the stock ones, however I can't really feel any difference. Maybe when I get it re tuned I will.

    Driftstang98

    Year: 1998 Submodel: V6

    Helpful (1)

  • 3/5

    August 23, 2016

    Review from SR Performance Underdrive Pulleys - Polished (94-98 V6)

    Looks nice under the hood

    This looks really nice under the hood. Make sure you have an impact wrench and a breaker bar for installation. If you have those then it isn't too bad to install. Not any noticeable performance gain but it looks nice

    Chuckb348

    Year: 1994 Submodel: V6

    Helpful (1)

  • 5/5

    Installation Time: Less than 1 Hour

    October 17, 2015

    Review from SR Performance Underdrive Pulleys - Polished (94-98 V6)

    Look amazing, but not a real noticeable difference

    Took roughly 15 minutes to install. No pulley kit is required for this mod, just simple ratchet and sockets. But after installing it can't say I notice much of a difference. I had the SR performance CA intake system before and after this mod, but again after installation not sure if there's much of a gain as others say they feel. Maybe the throttle response is a bit better? But as far as horsepower goes, it's not enough that you will feel it in your little v6. I'd say if you're going to buy this mod, buy it for the engine dress up, because it looks nice under the hood.

    Resausk

    Year: 1998 Submodel: V6 Riverside, CA

    Helpful (1)

  • 5/5

    Installation Time: Less than 1 Hour

    August 27, 2015

    Review from SR Performance Underdrive Pulleys - Polished (94-98 V6)

    It was what I wanted

    Got more of a kick when I took off, if you want a little more power for your V6. Then this is the right thing to have

    Tristan17

    Year: 1997 Submodel: V6 Davenport, FL

    Helpful (1)

  • 5/5

    Installation Time: Afternoon

    October 02, 2017

    Review from SR Performance Underdrive Pulleys - Polished (94-98 V6)

    SR Underdrive Pulleys

    Product arrived earlier than anticipated giving me enough time to paint them black. The as shipped polish looked nice but would look out of place in my engine compartment. I was replacing the idler pulley and belt tensioner at the same time which bumped the install time to about 2.5 hours. Was unable to get the bolts to break loose on the lower pulley using the prescribed method so removed the fan and radiator overflow catchcan (3 bolts, 1 elect connector, and 1 push on hose) in order to get the impact to fit. Haven't done much "performance testing", but have noticed it appears to accelerate quicker under normal driving conditions. The product looks great, is much lighter than the stock unit, and appears to be adding noticeable power to the car (how much?!?!?). Recommended product... definitely....

    DavidB

    Year: 1997 Submodel: V6

    Helpful (0)

  • 4/5

    Installation Time: Afternoon

    September 01, 2017

    Review from SR Performance Underdrive Pulleys - Polished (94-98 V6)

    SR Underdrive Pulleys

    Installation only took a little over an hour. You'll most likely need another person to keep the crankshaft from turning while breaking the bolts loose and tightening them. I used an air wrench on the alternator nut which made short work of it. I also sprayed WD40 on all bolts and the alternator nut/threads a few days before installing.

    60sGuy

    Year: 1998 Submodel: V6

    Helpful (0)

  • 4/5

    Installation Time: Afternoon

    May 08, 2016

    Review from SR Performance Underdrive Pulleys - Polished (94-98 V6)

    Underdrive Pulleys

    The crankshaft pulley is fairly easy to install with a torque wrench and a Haynes manual. The alternator pulley has to be taken to a shop to be put on. Not a huge power gain, but it's enough to feel and you get better mpg too. Definitely worth the money in my opinion, especially if you have to replace the belt anyway.

    V6MustangFTW

    Year: 1998 Submodel: V6

    Helpful (0)

  • 5/5

    Installation Time: Afternoon

    March 11, 2016

    Review from SR Performance Underdrive Pulleys - Polished (94-98 V6)

    Horsepower to my pony

    Excellent Perfomance with this pulleys this is a good mod

    Rony

    Year: 1996 Submodel: V6

    Helpful (0)

  • 4/5

    Installation Time: Less than 1 Hour

    August 21, 2015

    outstanding quality. (as always from AM)

    These SR performance underdrive pulleys for your 94-98 v6 mustang are perfect for someone that wants that little extra feeling of power. They will not make it to where you can smoke any car on the freeway but, on the fyno test, you gain a few horses. Plus they look spectacular under the hood of my white 98 v6.

    crystalwhitepowerhouse

    Year: 1998 Submodel: V6 harrodsburg,ky

    Helpful (0)

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