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SR Performance Differential Cover - 7.5 in. (79-85 V8; 86-10 V6)

AmericanMuscle no longer carries the SR Performance Differential Cover - 7.5 in. (79-85 V8; 86-10 V6). Please check out 1979-1993 Foxbody Mustang Gears for an updated selection.
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Features & Details

  • Light Weight
  • Heat-Treated Aluminum
  • Increased Fluid Capacity
  • Made in the USA
  • Fits 1979 to 2010 7.5" Rear Ends
Lighter and Stronger. If you're upgrading the rear gears in your Mustang, it's a good idea to replace your wimpy stock Girdle Support System (a.k.a. differential cover). Upgrade with this super strong, light weight SR Performance Aluminum Rear End Differential Cover for additional safety and peace of mind.

Superior Construction. Made in the USA, this 7.5" Rear End Differential Cover is cast from heat-treated aluminum for strength and features magnetic fill and drain plugs, additional clearance for billet main caps and low gear ratios, and increased fluid capacity for reduced operating temperatures.

Recommended Upgrade. When changing your differential cover it is recommended to upgrade to fresh Royal Purple Synthetic Gear Oil. You will need 3 quarts of Gear Oil.

Application. This SR Performance Aluminum Rear End Differential Cover is designed to fit the 1979 to 2010 Mustangs equipped with 7.5" rear end gears. Most commonly found in V6 models.

Fitment: 1979 1980 1981 1982 1983 1984 1985 1986 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 Details

MPN# 80010

CA Residents: WARNING: Cancer and Reproductive Harm -

What's in the Box
  • (1) One Differential Cover
  • (10) Ten Bolts
  • (10) Ten Washers
Installation Info
Tech Specs
Will it fit my Mustang?

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Questions & Answers (6)

5 Top Rated Questions

For the V6 S197, a 2006, will a panhard relocation bracket be necessary as it is with the TA Performance 1805 7.5 Ford Girdle?

  • The SR Performance Differential Cover will not require a panhard bar relocation bracket, however the panhard bar will need to be removed during the install to provide clearance to install the differential cover. We do not offer TA Performance Differential covers at this time, so we are unable to directly compare this to the TA Performance item.

Helpful (3)

Will this cover clear the panhard bar on the 06 V6? Thank you

  • This has fitment for the 06 V6 with 7.5" rear end gears.

Helpful (0)

Will this fit a 79 four cylinder rear end that is 7.5?

  • The SR Performance Differential Cover - 7.5 in will fit your 79 foxbody as long as it is equipped with 7.5 rear.

Helpful (0)

Will this 7.5" diff cover fit a Fox Body Mustang ('88) with factory rear sway bar? Being that the cover is larger than stock, I was wondering if it will clear the factory sway bar.

  • The Differential Cover - 7.5 in. will fit perfectly fine on your 1988 Fox 2.3L with the factory sway bar installed. You should not have any clearance issues.

Helpful (0)

Does this come with the appropriate gasket for the 7.5 rear end?

  • The Differential Cover - 7.5 in. (79-85 V8; 86-10 V6) will not come with the gasket for the 7.5 rear and. The hardware that is included is: (1) One Differential Cover, (10) Ten Bolts, (10) Ten Washers.

Helpful (0)
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1 More Question
Where do I get a Gasket to fit this differential cover? I bought this item already and also a gear install kit from Motive, for the 7.5 inch, but the gasket in the kit does not line up with the hole on this rear diff cover! 1 answer

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Customer Reviews (16) Write a Review

Overall Rating 4.8

out of 5 stars

Installation Time:Less than 1 Hour

  • Performance Gain 3.909091 3.9
  • Fit 5 5

  • 5/5

    Installation Time: Afternoon

    February 03, 2018

    Diff Cover 7.5

    Good fit and finish, I like the lower drain has a magnet.


    Year: 1983 Submodel: Other

    Helpful (7)

  • 5/5

    Installation Time: Less than 1 Hour

    December 16, 2017

    7.5 imch differental SR performance

    Had to get a new diff cover on my v6 mustang and couldn't get stock. This is a nice part and easy to install and looks good.


    Year: 2004 Submodel: V6

    Helpful (6)

  • 2/5

    Installation Time: Less than 1 Hour

    August 12, 2017

    Easy for maintenance

    Makes changing my diff oil much easier. I have 500,000 on my mustang with orig diff


    Year: 2005 Submodel: V6

    Helpful (8)

  • 5/5

    Installation Time: Less than 1 Hour

    June 29, 2017

    Great way to get easy access to your gear oil

    This fits perfectly on my 79 mustang 7.5 inch differential and alleviates having to put gear oil in there in an akward location. Took about an hour to take old cover off and new one on but takes longer if you are making your own gasket.


    Year: 1979 Submodel: Other

    Helpful (8)

  • 5/5

    Installation Time: Afternoon

    November 07, 2015

    7.5 Diff Cover

    I am very pleased with this product and feel better about the strength of the rear end in my 05 V6. I definitely had to remove the panhard bar in order to keep from smearing silicone in the gears when I was putting the cover back on. I used permatex ultra black high oil resistance gasket maker with no gasket. When unbolting the panhard bar, I also had to loosen a bolt on the lateral stiffener on the passenger side to get the panhard bar out. Putting it back in, torque the bolts to 129 ft/lbs. I torqued the diff cover bolts to 35 ft/lbs. Very good upgrade.


    Year: 2005 Submodel: V6 NC

    Helpful (8)

  • 5/5

    Installation Time: Less than 1 Hour

    February 14, 2015


    If I had to pick 2 words to sum this cover up = Strong Sexy


    Year: 1984 Submodel: GT Clarksville, TN

    Helpful (8)

  • 5/5

    Installation Time: Less than 1 Hour

    September 20, 2014

    7.5 Ford Fifferential Cover

    Exactly what I needed to make changing the Differential fluid easier, faster and much cleaner. Install was easy and the covers understated look is precisely what I was looking for


    Year: 1986 Submodel: Other New York , N; Y.

    Helpful (8)

  • 5/5

    Installation Time: Less than 1 Hour

    May 13, 2013

    Diff cover

    Great for bullet proofing your Diff. You want that extra protection if you spent some money on your rear end.


    Year: 1996 Submodel: V6 Texas

    Helpful (7)

  • 5/5

    February 09, 2012

    Differential Cover - 7.5in

    Looks good. I didn't install this diff cover myself. So what else can I say? Thanks AM


    Year: 1998 Submodel: V6

    Helpful (9)

  • 5/5

    Installation Time: Full Day

    October 06, 2011

    looks great

    I wanted to replace my rear diff. cover cause my brother (first owner) has NEVER changed his the gear oil so i figured why not kill two birds with one stone. having to wait 24 hours for the RTV sealant to cure was the only unnerving thing about the installation.


    Year: 1999 Submodel: V6 san jacinto, CA

    Helpful (8)

  • 4/5

    Installation Time: Less than 1 Hour

    September 25, 2011

    Part looks great

    This was an easy install. This cover looks great on the car, and does what I wanted out of it. Very happy with it.


    Year: 2008 Submodel: V6 Robinson, Tx

    Helpful (9)

  • 5/5

    Installation Time: Less than 1 Hour

    September 12, 2011

    Oustanding great priced product

    Over all awsome. Good description looks great under the car. Performs as it should eassily in stalled. Came with all neded hardwar.


    Year: 1980 Submodel: Cobra Killeen Tx

    Helpful (7)

  • 5/5

    March 31, 2011

    Great Product

    This product both looks good and makes differential oil changes easier. Instead of having to crack off the cover to drain and fill through the back of the gear housing, you can just use the easily accessed drain and fill plugs. No waiting for new sealant to dry before putting in new oil. Expanded capacity has marginal effects for me, since I never had an issue with my old one overheating, but it certainly can't hurt. Installation is very simple, just make sure to let the new sealant set overnight before filling with oil. This is a great piece if you do a lot of maintenance on your car, race, or just want something a little cleaner looking back there.


    Year: 1997 Submodel: V6

    Helpful (8)

  • 5/5

    October 15, 2010

    '79 to '11 Ford 7.5 axle girdle

    I like the product. It installed easily on my '93 Ranger. I threw three coats of paint on it to protect it from the roadsalt up here, and it looks and functions much better than the rusted out diff cover I had before. The only thing I wish is that the directions included the new gear oil capacity. I used about 4 quarts after it wasinstalled.

    Geeshik Borgenhagen

    Helpful (13)

  • 5/5

    March 21, 2010

    Excellent cover

    This was a great buy. and bolted right in place of the stock cover. These guys are local to me and they make killer rear ends.


    Helpful (9)

  • 5/5

    October 27, 2009


    easy install looks great better than oem


    Helpful (10)

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