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OPR Replacement Front Rotor - 5 Lug (84-86 SVO; 79-93 w/ 5-Lug Conversion)

Item 53231
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$46.05 (each)

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    Features & Details

    • Direct Fit OE Replacement
    • Front Left or Right Rotor
    • Fits 1984-1986 SVO and 1979-1993 5 Lug Conversion
    • Sold Individually

    Practical 5-Lug Replacement Rotor. Just because your 1984-1986 SVO or 1979-1993 5-lug conversion Mustang has 5 lugs doesn’t mean you can’t benefit from modern brake rotors, as the OPR Replacement Front Rotor, 5 Lug proves. This is a straightforward, affordable option that upgrades your classic Mustang’s braking power for more safety and greater control when you decide to put it through its paces or take it to the track. It runs cool and brakes strong – what more could you ask from a rotor?

    High Friction Iron Design. The OPR Replacement Front Rotor, 5 Lug is made from cast iron, with a randomly striated surface created by grinding. This gives pads plenty of bite when they come in contact with it. It is made to OEM standards of quality, strength, and performance, ensuring that it will function well on your older ‘Stang. It has a center-split core casting design and is vented for cooling.

    Plain Rotors that Offer Superior Stopping Power. The venting of the OPR Replacement Front Rotor, 5 Lug is made to pass air through the interior of the rotor, resulting in much lower temperatures than a solid rotor would offer. This in turn lessens the risk of brake fade during repeated braking, such as during high-speed maneuvering. The cast iron is tough, making it unlikely to crack even under heavy stress. The component also offers plenty of grip and not only equals but exceeds the stopping power of the stock rotors.

    Bolt-On Fitment. The OPR Replacement Front Rotor, 5 Lug attaches readily to 5-lug conversions of the Mustang. The attachment process is bolt-on, though 1987-1993 spindles must be used with any compatible model year for correct installation.

    Sold Individually. The OPR Replacement Front Rotor, 5 Lug is supplied individually, as a kit of (1) front rotor.

    Application. This OPR Front Disc Brake Rotor is a direct fit replacement for the 1984-1986 SVO Mustangs with the 5x4.5" bolt hole pattern. It will also fit 1979-1993 models that have performed a 5-Lug Conversion. Sold individually. Technical Note. The 1979-1986 Mustangs will need to have the front spindles replaced with 1987-1993 spindles for proper fitment.

    Technical Note. The 1979-1986 Mustangs will need to have the front spindles replaced with 1987-1993 spindles for proper fitment.


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

    MPN# 53231

    CA Residents: WARNING: Cancer and Reproductive Harm -

    What's in the Box
    • (1) Brake Rotor
    Installation Info
    Tech Specs
    Will it fit my Mustang?

      Customer Photos (5) Submit Your Photo

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        Questions & Answers (14)

        5 Top Rated Questions

        What is the hub diameter on these?

        • These Rotors will utilize the OEM hub diameter.

        Helpful (1)

        Can I use my rear bearings from my previous 4 lug rotor? Or do I need to purchase new? If new, do I buy the same one as for the 4 lug? Please advise. Thank you

        I have a 93 ls notch bsck, is this all I need to convert the front to a 5lug?

        Will this fit my 86 gt with stock spindles and brakes. And if not do you sale one that will

        • The 1979-1986 Mustangs will need to have the front spindles replaced with 1987-1993 spindles for proper fitment. We do not have an option available for a stock 86 GT set up.

        Helpful (0)

        Wanting to put a set of 04 mustang wheels on a 90 mustang GT, will these wheels work with these rotors?

        • Unfortunately without knowing the specific 2004 Mustang wheels, we cannot confirm if they will work with this rotor. Depending on the specific wheel, this may push the center caps out due to the taper bearing setup of the foxbody rotor/hub. There are several OE wheel offerings for the 2004 Mustang, but most will not allow the center cap to clear.

        Helpful (0)
        Post Your Question
        9 More Questions
        is there a drilled/slotted version of this rotor or a rotor that is drilled and or slotted for a 5 lug conversion? 1 answer
        Will these fit my 1983 gl without changing the spindles or calipers 1 answer
        hi I just bought this and got working on it but the rear baring and seal are smaller what ones will I need to fit it its a 91 4cyl car 1 answer
        Will these rotors Work and fit on my 84 mustang gt? 1 answer
        what size in inches is a svo rotor 1 answer
        My car is a 89 Mustang Coupe and began life as a 2.3L. In addition to the rotors, what else has to be changed to allow 5 lug conversion? Thanks Jesse 1 answer
        I have recently started converting my 89 lx 4 lug to 5 lug. I bought the 85 front SVO rotors and they are too big. What other rotor can I use? 1 answer
        wwill these rotors work with newer oem rims i.e. 94 up hub center ? hub centers are smaller on 94 up rims hence the reason most use 94 spindles and rotors etc plus get better brakes 1 answer
        will the directly bolt on to my 93 foxbody 2.3 ? can i use my old spindle bearings? and my brakes ? 1 answer

          Customer Reviews (18) Write a Review

          Ratings Summary

          4.3 out of 5 overall rating from 18 customers

          Installation Time: Less than 1 Hour

          • January 11, 2020

            5 1991 GT - Gary50GT Installation Time: Less than 1 Hour

            Helpful (0)
          • September 20, 2019

            5 1986 Other - Steve52 Installation Time: Less than 1 Hour

            Replacement Front Rotor

            Nice Product and well double packaged. Did not direct fit as a replacement to my 4 lug rotor (due to being larger diameter) but we found the right spindles and calipers at the junkyard for only $50. The inside bearing diameter is 2.500 (casting diameter without considering the conical insert, which is included) so make sure.

            Helpful (0)
          • August 29, 2019

            5 1989 GT - Mattman Installation Time: Less than 1 Hour

            Perfect fit !

            Came with races preinstalled and slipped right on like a glove. Worth every penny and was a great price! Thanks guys!

            Helpful (0)
          • January 16, 2019

            5 1982 Other - Nestor Installation Time: Less than 1 Hour

            Very good fit

            It was a very good fit just like the original one , I wish they would offer an option with cross drill for drag racing just like the ones I had before , but wanted to go by with 5 lugs wheels and this rotors were the cheapest option , so for now it's good , this rotors are easy and simple to install , thanks....

            Helpful (2)
          • November 26, 2018

            1 1989 LX - JamesT Installation Time: Less than 1 Hour

            Doesn’t fit the lx

            I need a 10” rotor for my lx I was sent a 11” rotor

            Helpful (3)
          • August 31, 2018

            5 1990 GT - StarlynS Installation Time: Less than 1 Hour


            great product. it did the trick on my fox body. I installed 2o x 8 inch wheels and tires with no problem. the 5 lug conversion is complete with no scrubbing during turning. great price for the products also.

            Helpful (3)
          • July 22, 2018

            5 1992 GT - DanielL Installation Time: Less than 1 Hour

            5 lug swap

            Fast shipping was great, the svo rotors fit like it supposed to. I had no problem installing them on my 92 gt.

            Helpful (4)
          • June 08, 2018

            1 1988 LX - JohnD Installation Time: Less than 1 Hour

            Great quality but limited rim selection

            Great quality product, fast shipping, but they do not fit all 5 lug mustang rims automatically. Specifically bought these for 99 cobra rims, but they don't fit and it won't be worth the money to ship back.

            Helpful (5)
          • May 29, 2018

            5 1989 GT - JamesL

            5 lug conversion,

            i had got a 5 lug conversion from LMR and my bullitt wheels would not go on the front rotors,yours went right on THANKS it helped a lot !!

            Helpful (4)
          • February 22, 2018

            5 1990 GT - AlafiaJ Installation Time: Afternoon

            Good for 5 lug swap

            Great quality don’t forget to get new bearings, it couldn’t hurt any

            Helpful (4)
          • January 10, 2018

            5 1989 GT - KeithB Installation Time: Less than 1 Hour

            Easy conversion to 5 lug

            These rotors work pretty for a factory brake conversion to 5 lug. They fit just like the factory rotors. No problems. Thanks

            Helpful (7)
          • November 22, 2017

            5 1989 GT - RalphD Installation Time: Less than 1 Hour

            1989 Mustang restoration

            No time at all . Everything went together as planed with no problems. I cleaned up the spindles and painted them with aluminum paint. I bought new Berings and seals to complete the job.

            Helpful (6)
          • June 05, 2017

            5 1990 GT - TomH Installation Time: Less than 1 Hour

            5 lug swap rotors

            I used these on my 1990 GT for front 5 lug swap. I also purchased new bearings and installation hardware.

            Helpful (5)
          • August 12, 2016

            5 1993 GT - P


            Old rotors were worn and rusty and I wanted something new... Sadly, this is the only option for 5 lug foxbodies but these replaced the rusted look and slightly improved my braking power so thats just fine. Recommend replacing calipers and brake pads alongside this while your at it. Sadly, this is the only option for 5 lugs,

            Helpful (6)
          • June 20, 2016

            5 1992 GT - keng Installation Time: Less than 1 Hour

            the way to spend a gread time and save money

            this may be the best bang for the $$ u can get,stops like it should, all stock bearings,seals and dust cap fit,and they were cheaper than any other 5 lug conversion i could finf, i give them 10 stars outa 5,

            Helpful (7)
          • June 03, 2016

            1 1993 Other - heryh


            for thos of you that realy dont know what your doing, watch out wen u buy rotors from american muscle and dont bother looking at the back wen you install the rotor, you hav to look out and make sure the seal rides up on wer its sopossed to , other wise it will leak. the bore wer the race sits in to is not machined down far enough for the race to go down all the way n make room for the seal .

            Helpful (4)
          • May 18, 2015

            5 1989 Other - Cobra99Dave Installation Time: Afternoon

            Great fitment and oem quality

            Used these for a 5 lug conversion and they fit perfectly. Easy to install and work great.

            Helpful (6)
          • January 20, 2015

            5 1992 GT - shorty11780 Installation Time: Less than 1 Hour

            excellent price direct fit easy install

            In the process of the 5 lug conversion but didn't want to buy junk yard parts because I've already replaced and upgraded the whole front suspension. For the price and convenience of a direct bolt on to my 92 convertible this was by far one of my better decisions thanks American Muscle

            Helpful (7)

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