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BBK Underdrive Pulleys - Steel (79-93 5.0L)

6 Reviews
Our Price

$99.99

  • Item #56063
  • MPN #1513
  • Market Price $113.99
  • You Save 12% ($14.00)
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Features
  • Free Up Horsepower.
  • Three Piece Kit.
  • Black Powdercoat Finish.
  • Fit 1979-1993 5.0L V8 Mustangs.
Description
Free Up Horsepower. A set of BBK Underdrive Pulleys reduce parasitic drivetrain loss by cutting down the amount of power your accessories take up, these underdrive pulleys will free up an average of 8 to 15 hp, without sacrificing cooling and charging functionality of your Pony. Quality Construction. This three piece pulley set is crafted from steel for durability and strength. And are completed in a gloss black powdercoat finish for great looks under the hood.

Fitment. The 3-Piece BBK Underdrive Pulley Kit is designed for use on the 1979 to 1993 Mustang with the iconic 5.0 V8.

Mustang Fitment: 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 Details

What's in the Box
  • (1) Crankshaft pulley
  • (1) Water pump pulley
  • (1) Alternator pulley
Installation Info
Tech Specs
UnderDrive Pulley Specifications
Year/Model: 79-93 5.0L V8 Manufacture: BBK
Material: Steel Finish: Black
Crank Pulley: Piggyback SFI Certifited: No
Fitment
  • Foxbody - 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93

Fits 5.0L V8's Only

Most Helpful Reviews View All

Overall Rating 4.5/5 Write a Review
5/5
Nice Upgrade

These underdrive pulleys are a quick and easy way to free up some horsepower without spending too much money. Bolted them up in about half an hour and felt an immediate performance gain- I'd guess 10 or

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Helpful (13) (0)

5/5
mustang rebuild

this product was great. it served its purpose and looks even better on the car.

Helpful (2) (0)

Customer Photos

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Q & A (1 Questions, 0 Answers) Ask a Question

serp belt do you need to change the belt?

theTitan Year: 1988 Model: GT

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Good Question (0) (0)

Reviews (6) Write a Review

  • 5 Stars .83 83%
  • 4 Stars 0 0%
  • 3 Stars 0 0%
  • 2 Stars .17 17%
  • 1 Stars 0 0%
4.5

out of 5 stars

5 Customers Recommend this Product

Installation Time:Afternoon

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

    Nice Upgrade

    April 17, 2010

    These underdrive pulleys are a quick and easy way to free up some horsepower without spending too much money. Bolted them up in about half an hour and felt an immediate performance gain- I'd guess 10 or 15 horsepower. The engine seems to rev up a bit quicker as well. A word of advice, make sure your cooling system and charging system are in tip top shape before installing these. Underdrive pulleys will reveal weaknesses in either of those areas, but no, they will NOT cause your car to overheat or the battery to not charge as some say- so long as the those systems are working properly.

    Alexander Lloyd

    Helpful (13) (0)

  • 5/5

    mustang rebuild

    December 12, 2009

    this product was great. it served its purpose and looks even better on the car.

    J

    Helpful (2) (0)

  • 5/5

    Underdrive pullies

    January 20, 2012

    Excellent pullies. Work as they should. Noticed alot more pick up. Rpm climbs quicker. Hp unlocked. Only bad thing is that my alternator produces less power. But other than that. Everything is stable. Worth the money.

    Bushmaster03

    Year: 1989 Model: GT Driving Style: Daily Driver 'Stangs I have owned: 3 Orlando fl

    Helpful (1) (0)

  • 5/5

    Pulley power

    July 23, 2011

    Easy install for the mechanic but a 755 belt was needed,because the stock belt was waaay to long. I havent really noticed any horsepower increase but I also installed the ac delete pulley, so I am sure I have little more horse power....no charging problem. great buy

    Ray wilson

    Year: 1990 Model: GT Driving Style: Show

    Helpful (1) (0)

  • 5/5

    Easy Power!

    October 25, 2011

    I installed these in my driveway in about 2 hours. Some of the old rusty bolts were tough to get off, but a little degreaser took care of them! Car runs better now for sure!

    TimB

    Year: 1989 Model: Other Driving Style: Race 'Stangs I have owned: 5+

    Helpful (0) (1)

  • 2/5

    bbk fails this time

    December 16, 2010

    thanks bbk your awesome product worked for about 10 miles of driving till it killed my alternator and i had to buy a new one. Beware of it. Easy install minus the fan blade hole not fitting properly its just off being a bit too small. It added a little noticeable horse. loved them till the problems started looks good too. Overall buy them at your own risk.

    josh schuller

    Driving Style: Daily Driver

    Helpful (1) (7)

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