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BBK Underdrive Pulleys; Aluminum (94-95 GT)

Item 56028
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      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation


      • Gain Up to 15HP
      • Three Piece Kit
      • Brilliantly Polished Finish
      • Fits 1994-1995 Mustang GT 5.0L


      Gain 15HP. Improve your GT's off-the-line responsiveness by reducing the horsepower you're losing to your accessories with a set of BBK Underdrive Pulleys. You don't have to compromise on comfort or convenience - these pulleys won't affect your Mustang's charging or cooling capabilities.

      Premium Quality. Made of aircraft quality aluminum alloy, these BBK aluminum pulleys won't weigh you down.

      Hand Polished. The brilliant polished finish of these underdrive pulleys will give your engine bay a high performance look.

      Easy Installation. Installation normally takes about 30 minutes and full instructions are included. Reuses factory belt.

      Application. These Underdrive Pulleys are designed for the 1994-1995 GT with the 5.0L V8 engine.

      Fitment: 1994 1995 Details

      BBK 1554

      CA Residents: WARNING: Cancer and Reproductive Harm -


      Customer Reviews (20)

      Write a Review

      Ratings Summary

      4.8 out of 5 overall rating from 20 customers

      Installation Time: Afternoon

      Installation Cost: 0-$100

      • April 02, 2019

        5 1994 GT - JohnP Installation Time: Less than 1 Hour

        Perfect fit - moderately easy install

        Installation is pretty simple as long as you have an impact wrench to get the alternator pulley off. The alternator pulley rubbed on the alternator case so I had to use a small shim to space it out. Not sure about the performance gains. I don't really feel a "seat of the pants" improvement, but I'm sure they've got to help. Physics says it has to:)

        Helpful (4)
      • February 23, 2019

        5 1994 GT - CharlieW Installation Time: Less than 1 Hour


        Great pulleys. Finish was great and install can't get much easier. Seems to Rev a Lil quicker also

        Helpful (4)
      • May 13, 2018

        5 1995 GT - AngelH

        Looks awesome

        Changes the look completely. I like it much, very much I like them.

        Helpful (8)
      • October 31, 2017

        4 1994 GT - Jazek Installation Time: Afternoon

        Mustang sweden

        Nice item Nice Chrome Nice horsepower Nice price

        Helpful (9)
      • October 17, 2017

        5 1995 GT - OhioGT Installation Time: Less than 1 Hour

        Fit great.

        Ac and smog are bypassed on my ‘95 GT. Had to use an 81.0” belt with these pulleys. So far so good. They really dress up the engine.

        Helpful (10)
      • April 07, 2017

        2 1994 GT - RichardM Installation Time: Less than 1 Hour

        Not comfortable with the side effects...

        The pulleys were made well, and installed easily. I did notice a bit of freer revving to the engine with them on, but also noticed that the draw to my electrical system was way too much! My headlights dimmed and the car wouldn't charge any time the rpms dropped below 1000 - stop lights, putting the car in park, etc. this car is a daily driver, and that made the compromise unacceptable to me, especially since American Muscle and BBK's info stated that this wouldn't happen. I guess I'll have to find another way to find horsepower without losing day to day usability. These pulleys would be great on a weekend car, or a racer, and they are made well, but they just don't meet my needs.

        Helpful (17)
      • September 23, 2016

        5 1995 GT - DAX300

        Skittle xtra pep n looks awesome

        These aluminum light weight pulleys r Boss. Fits perfect with no surprises n gains a little xtra pep in horse power. Can't wait to replace other pulleys as well. Installation time approx 1/2 hour to 45 minutes n looks great.

        Helpful (10)
      • August 03, 2016

        4 1995 GT - Cjordan

        Great product

        Took a lil work to get installed but well worth the effort

        Helpful (9)
      • July 25, 2016

        5 1994 GT - wilco88

        great product

        i have these on my 94 Gt and even with a procharger i can feel a better throttle response!

        Helpful (10)
      • February 10, 2014

        5 1995 GT - silentpaul1983 Installation Time: Less than 1 Hour

        super light weight!

        very light weight, faster throttle response due to less mass and higher smoother rpms. perfectly balanced high quality product

        Helpful (8)

      Questions & Answers (5 answers)

      5 Top Rated Questions

      Can I use stock serpentine belt with bbk under drive pulleys? If not what belt do I get?

      • The BBK underdrive pulleys use the stock serpentine belt. They do suggest using a new one, but maybe it's time for a new one anyway.

      Helpful (1)

      Have y'all heard of any problems with the AC not working or the vehicle overheating?

      • We have not had any issues with the the BBK Underdrive Pulleys in Aluminum having issues with the Ac or over heating.

      Helpful (0)

      What's the outside dimension of the water pump pulley in this kit? I need one about 5.5"

      • As these are designed as a kit, we do not have listings for the size of each pulley in the BBK Underdrive Pulley kit.

      Helpful (0)

      Can I use the smog pump eliminator and the under drive pulley kit together? Wanted to know if both would fit together and work well or would it be better just to eliminate the smog pump altogether and not put on the eliminator pulley. Just get a different belt with no smog pump

      • Yes you can use the smog pump eliminator with the pulley kit. Note: If you cancel the smog pump with out adding the smog pump eliminator, you will have issues with finding the write belt !!!! by that I meen; Binder problem, pulley squeaking ect..... Hope it helps!

      Helpful (0)

      Timing I'm consider ordering this for my build, I'm assuming I'll have to get the timing done after installation. Any tips, advice or clarity to this? thank you

      • you don't have to time car after installation of this product.

      Helpful (0) Show 1 more answer
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      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Crankshaft pulley
      • (1) Water pump pulley
      • (1) Alternator pulley

      Tech Specs

      UnderDrive Pulley Specifications
      Year/Model:94-95 GTManufacture:BBK
      Crank Pulley: PiggybackSFI Certifited:No

      Will It Fit My Mustang

      • GT - 94, 95

      Will not fit Cobra

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