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SR Performance 8.8 Axles - 28 Spline 4 Lug (79-93 5.0L)

Market Price $295.99 You Save 12% ($34.90)
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  • Item 525030

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Ship to: Ashburn - 20149
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    Features & Details

    • 1541H High Manganese Steel Alloy
    • 28 Spline Axle
    • 4 X 4.25" - Four Lug Design
    • 29" Axle Length
    • Kit Includes Driver and Passenger Side Axles
    • Bearings, Seals and Studs Also Included
    • Fits 1979-1993 5.0L Mustangs with 8.8" Rears
    Performance Upgrade. If your running a heavily modified or forced induction Foxbody Mustang, your factory axles might be too weak to take the additional punishment. But after installing a set of SR Performance 1541H alloy steel axles you will be sure to get all your pony's power and torque firmly planted to the pavement - where it belongs.

    Built to Out Perform. SR Performance Axles are forged from premium quality 1541H high manganese steel alloy that is induction heat treated for an axle shaft that is stronger and much more durable than stock, making it perfect for high stress street and race applications.

    Application. This pair of SR Performance 4-Lug 28 Spline Axles are specifically designed for use on 1979 to 1993 5.0L V8 Mustangs that have the factory 8.8" 28-spline LSD installed.

    Application Note: 1979-2004 V8 Mustangs came factory equipped with 28 spline axles, except for 2003-2004 SVT Cobras which were 31 spline.

    SR Performance

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

    MPN# 525030

    CA Residents: WARNING: Cancer and Reproductive Harm -

    What's in the Box
    • (2) 28 Spline Axles
    • (8) Wheel Studs
    • (2) Outer Axle Shaft Bearings
    • (2) Seals
    Installation Info
    Tech Specs
    • Splines: 28
    • Type: C-clip
    • Stud Pattern: 4 x 4.25"
    • Stud Type: 1/2" Press in
    • Length: 29.0 in
    • Material: 1541H alloy steel
    Will it fit my Mustang?
    • Cobra - 93
    • Cobra R - 93
    • GT - 87, 88, 89, 90, 91, 92, 93
    • LX - 87, 88, 89, 90, 91, 92, 93
    • Other - 79, 80, 81, 82, 83, 84, 85, 86

    Fits 8.8" rear gears with 28 spline LSD or Spool only

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        Questions & Answers (1)

        1 Top Rated Question

        What brand of bearings are in this kit?

        • Everything that comes with the SR Performance 8.8 Axles - 28 Spline 4 Lug (79-93 5.0L) is of the SR Performance brand.

        Helpful (0)
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          Customer Reviews (13) Write a Review

          Overall Rating 4.5

          out of 5 stars

          Installation Time:Afternoon

          Installation Cost:$100-$250

          • Performance Gain 3.416667 3.4
          • Fit 5 5

          • 4/5

            Installation Time: Afternoon

            December 27, 2018

            Reasonable price and perfect fit!

            The kit came in perfect condition and went in flawlessly! No problems since the installation and I did put it to the test!


            Year: 1988 Submodel: GT

            Helpful (1)

          • 5/5

            Installation Time: Afternoon

            March 16, 2018

            Best bang for the buck!

            Super easy to install and perfect fit. A good slide hammer and seal driver makes changing the axle bearings a breeze.


            Year: 1987 Submodel: LX

            Helpful (6)

          • 5/5

            Installation Time: Afternoon

            January 30, 2018

            Great ProductT

            Rear left axle was bent so I bought these. Replacement was simple and easy.


            Year: 1991 Submodel: LX

            Helpful (6)

          • 1/5

            Installation Time: Afternoon

            January 08, 2018

            Snapped first time out

            After several years of hard launches my stock axle finally gave way and failed. I installed these axles with the hopes that they will handle the extra power of my modifed 87 Mustang coupe. Well I did a burnout with 26 x 10.5 E.T. Streets bias ply tires out back and when I left, the left axle snapped on the launch. I went with Mosers the next time and I should have went with them in the first place like my mechanic suggested. I would only suggest these as a stock replacement but nothing performance oriented that include hard launches.


            Year: 1987 Submodel: LX

            Helpful (8)

          • 5/5

            Installation Time: Less than 1 Hour

            November 03, 2017

            Perfect fit

            Needed these as the factory spleens were worn, good strong axles, love them!


            Year: 1988 Submodel: LX

            Helpful (6)

          • 5/5

            Installation Time: Afternoon

            February 27, 2017

            Nice Axles..

            Axles were easy to install, new bearings, seals and wheel studs. Looks goo..


            Year: 1990 Submodel: GT

            Helpful (6)

          • 5/5

            Installation Time: Afternoon

            December 03, 2016

            SR Performance 8.8 Axles - 28 Spline 4

            excellent parts all included and super fast shipping thx again


            Year: 1984 Submodel: Other

            Helpful (7)

          • 4/5

            Installation Time: Afternoon

            November 09, 2016

            Good Bang for the Buck!

            Good and easy to install axles and great for a stock application or direct replacement. Also liked that they came with bearings.


            Year: 1988 Submodel: GT

            Helpful (6)

          • 4/5

            July 27, 2016


            I haven't installed the axles yet but they appear to be good quality. Good deal since the package comes with bearings, seals but my package did not contain all of the studs. I only received 5 of 8


            Year: 1993 Submodel: Other

            Helpful (7)

          • 5/5

            Installation Time: Shop Install

            Installation Cost: $100-$250

            June 02, 2016

            Quiet again!

            After 120k miles on my 87 fox noticed humming/ bad worn tire sound. I do most of my maintenance but no desire to do this myself. I knew more than likely I had bad rear axle bearing. Brought it in to my guy for diagnosis. Ended up with pitted axles. Ordered these that afternoon and here the next day, couldn't believe how fast! Great product and more heavy duty than OE ones. Great price especially considering comes with the bearings,seals, and studs. Very happy with this kit.


            Year: 1987 Submodel: GT

            Helpful (7)

          • 5/5

            Installation Time: Afternoon

            March 29, 2016

            Nice kit

            This is a nice kit to change your axles. Everything fit like it is made for it. Easy swap out. I took my time in the work and could of had it finished in a couple hours by myself but I was in no hurry. Now let us see how these are after a hundred thousand miles. The old ones (factory installed) ones had just over two hundred thousand miles.


            Year: 1990 Submodel: GT

            Helpful (8)

          • 5/5

            Installation Time: Shop Install

            Installation Cost: $250-$500

            June 26, 2014

            I'm feeling those bad vibrations!

            Swapped out the accels and now feeling no vibrations!


            Year: 1989 Submodel: Other Montreal

            Helpful (7)

          • 5/5

            Installation Time: Less than 1 Hour

            June 02, 2014

            These axles were everything they were advertised to be.

            Axles made of high quality materials; fit was perfect, making installation go well.


            Year: 1989 Submodel: GT Waverly, WV, USA

            Helpful (7)

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