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BBK 1-5/8 in. Chrome Unequal Length Shorty Headers (86-93 5.0L)

Item 56123
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      Product Information

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


      • Increases Horsepower and Torque
      • Shorty Unequal Length Design
      • Free Flowing Mandrel-Bent Tubing
      • Bright Chrome Finish
      • CARB EO Number: D-245-8
      • Fits 1986-1993 Mustang 5.0L


      More Power & Torque. Improve the performance of your 5.0-powered Pony with a set of BBK Shorty Unequal Length Headers. These headers will greatly improve exhaust flow over your restrictive stock manifolds to increase your 5.0's power and torque.

      Unequal Length Design. These BBK Headers feature a shorty, unequal length design that in addition to making more power, also cleans up your engine bay for a show-winning look.

      Quality BBK Construction. BBK Shorty Unequal Length Headers are manufactured from 1-5/8" CNC mandrel bent tubing for unrestricted airflow. These headers also feature a one piece, laser cut header flange for additional strength, leak-free performance and a OEM fit. These headers are then completed in a bright chrome finish for good looks and a long life.

      Application. These BBK Shorty Headers are designed to fit the 1986-1993 5.0 V8 Ford Mustang and are sold as a pair. Kit includes mounting hardware, gaskets, and instructions for an easy install.

      Technical Notes. These BBK Shorty Headers are CARB certified (CARB EO Number: D-245-8) and 50 state legal.

      Fitment: 1986 1987 1988 1989 1990 1991 1992 1993 Details

      MPN# 1515

      CA Residents: WARNING: Cancer and Reproductive Harm -


      Customer Reviews (30)

      Write a Review

      Ratings Summary

      4.7 out of 5 overall rating from 30 customers

      Installation Time: Afternoon

      Installation Cost: $100-$250

      • September 05, 2019

        4 1987 GT - brian80 Installation Time: Afternoon

        Not bad for the price

        Headers fit well and install was a breeze . I didn’t use the supplied gaskets and the bolts were to short I thought but for the price they fit well and bolted up to the factory exhaust with no problem so not to bad. Didn’t notice any power gains. Had to mod the oil dip stick bracket a bit but nothing terrible.

        Helpful (0)
      • March 27, 2019

        5 1988 GT - Speedracer Installation Time: Afternoon

        BBK Shorty Headers

        Awesome fit and finish! Everything lined up perfectly and I love the sound of these.

        Helpful (0)
      • November 30, 2018

        4 1991 LX - AaronS Installation Time: Afternoon

        as decribed

        havent had any problems and were a direct fit to my 1991 5.0 mustang lx. good headers

        Helpful (3)
      • October 18, 2018

        5 1990 LX - SeanC Installation Time: Afternoon

        Sweet fit headers

        Best headers I have had in shorties ever . The fit perfect

        Helpful (3)
      • September 19, 2018

        5 1987 GT - TommyM Installation Time: Less than 1 Hour

        Perfect fit Headers

        These headers are awesome well made and definitely the easiest headers I ever put on.Installed them on my 79 mustang with 87gt 5.0 in it mild top end mods.Luke I said fit like a glove no clearance issues what so ever sounds awesome.

        Helpful (4)
      • September 03, 2018

        5 1979 Other - RonaldS Installation Time: Less than 1 Hour

        1964 ford

        Bought for my 1964 ford galaxie 289 motor fit perfict looks GREAT thanks.

        Helpful (2)
      • July 05, 2018

        5 1992 LX - BlackMamba Installation Time: Afternoon

        BBK Header

        Great product. Install was fairly easy. The sound is second to none,especially if your running a big cam. Fitment was kinda rough do to the fact that the steering shaft touches and the dipstick bracket isn't exactly where it should be. I'm still trying to work these issues out. Awesome header for the money and thanx again AM for another great upgrade!!!!!

        Helpful (7)
      • May 14, 2018

        5 1988 GT - 209foxfody Installation Time: Afternoon

        Fast free shipping headers are beautiful

        Nice looking headers...the sound i was looking for. Fast shipping too. Love american muscle. Keep up the good work

        Helpful (6)
      • May 01, 2018

        5 1992 LX - JimN Installation Time: Afternoon

        Bbk shorty headers

        Nice product, everything you need is included. Excellent service. Pleasure to deal with AM.

        Helpful (6)
      • April 14, 2018

        5 1993 LX - Eric Installation Time: Afternoon

        Shorty unequal

        Mush better then the bbk equal tube rough getting them out. These went in smooth . Used different bolts but nice product flanges have gotten thicker .good buy

        Helpful (8)

      Questions & Answers (6 answers)

      5 Top Rated Questions

      Will these fit on an engine with GT40P heads? Really want a good set of headers that will fit but don't want to spend a bunch of money. Thanks

      • The BBK 1-5/8 in. Chrome Unequal Length Shorty Headers are designed for standard layout heads, and will not work with GT40p heads due to their revised plug angle. At this time the MAC 1-5/8 in. Ceramic Unequal Length Shorty Headers for GT-40P Heads are the only shorty headers we offer that are compatible with the GT40p heads. These are linked below:

      Helpful (3)

      How much hp will increase?

      • Power gains with the BBK 1-5/8 in. Chrome Unequal Length Shorty Headers will depend on what other mods have been done, but on average you will see around 10-15hp.

      Helpful (1)

      Whats the difference on shorty, equal an equal headers will they all fit 302 with out doing any modifications? Is there a difference inHP?

      • The difference has to do with the primary tubes. For more information on the different headers, check out our article "What are the Best Mustang Headers?":

      Helpful (0)

      I have a 1991 Ford F-150 with the 5.0 302 will they work on mine

      • Unfortunately we cannot provide fitment specifications for anything the product is not advertised for. What I can say is even if it may have similar/the same specs as the respective Mustang these headers are advertised for, it doesn't necessarily mean it will bolt right up.

      Helpful (0)

      are these a 1 3/4 size header

      • No, the BBK Chrome Unequal Length Shorty Headers (86-93 5.0L) is 1 5/8"

      Helpful (0)
      Post Your Question
      1 More Question
      will these headers work with gt40p heads 1 answer

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Driver side header
      • (1) Passenger side header
      • (2) Gaskets
      • Installation Hardware
      • Installation Instructions

      Tech Specs

      Header Specifications
      Header Type: Short Tube Finish : Chrome
      Type Mid Pipe Required: Standard Fitment: 1986-1993 5.0 V8 Mustangs

      Will It Fit My Mustang

      • GT - 87, 88, 89, 90, 91, 92, 93
      • LX - 87, 88, 89, 90, 91, 92, 93
      • Other - 86