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Ford Performance Replacement Flywheel; 6 Bolt 50oz (81-95 5.0L)

Item 50121
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      Review & Installation Video

      The Ford Performance flywheel we have here is currently the most affordable 6-Bolt 50-Ounce option in the category for your '81 to '95 manual 5-liter Mustang, hovering right in that mid to low $100 price point. The Ford Performance flywheel will combine that 157-tooth ring gear design along with a cast iron construction that's gonna weigh in at just north of 20 pounds, making this an excellent stock replacement. Install will obviously involve removal of the transmission, along with that clutch, so the site is going to kick this one up to a full pull three out of three wrenches on the difficulty meter, and about four hours or so from start to finish to get completed. So when shopping for flywheels on the site, the biggest decision you will need to make is whether or not you want to go lighter than stock through an aluminum or chromoly option, which will free up some rotational mass, or just simply go with a factory-style replacement like the cast iron Ford Performance option that we have right here. Now, those lighter options will have a tendency to pull through the revs a little bit quicker, but can be a bit tricky to drive on the street, depending on your setup or your clutch, whereas the heavier iron flywheel that we have here will be extremely strong overall, while also helping to make the car a little bit more streetable, getting the car moving off the line a little bit better, thanks to that stored energy and inertia. But aside from the material difference, some of your other big factors here with the Ford Performance flywheel will be that 6-bolt design specific to the '81 through '95 year range, the 157-tooth ring gear, and then finally that 50-ounce balance.Now just a heads up guys, prior year 302s did have a 28-ounce balance, but from late '81 to '95, they were all 50-ounce balanced from the factory. Now if you have a built engine or maybe planning on building an engine down the road, it really boils down to what internals you plan on using, and what balancer will best go along with that. However, if you're staying stock, internally that is, it's probably just a safe bet to stick with the 50-ounce option that we have here. However, if you do plan on going with something lighter, maybe something forged, maybe a 28-ounce option might be better off, or maybe even going with a zero balance, but that will be up to you and your engine builder. Now as far as your clutch options are concerned, well, most if not all of the stock or aftermarket 10-1/2-inch clutches will work just fine with the Ford Performance flywheel here.But, it is important to point out that '81 through '85 5-liter owners will need to convert that stock 10-inch clutch to a 10-1/2-inch option in order to run this particular flywheel without any issues. As far as your install is concerned, well, this one is pretty obvious, right? Trans needs to come down, along with that clutch, which really isn't the end of the world, but it is good enough to get a full three out of three wrenches on the difficulty meter here on the site, and about four hours or so to complete from start to finish.So, wrapping things up guys, if you're looking for a super affordable factory replacement flywheel for your manual Fox or SN95, be sure to check out the Ford Performance cast iron option right here at

      Product Information

      Features, Description, Reviews, Specs & Installation


      • 6 Bolt
      • 157-Tooth
      • 50 oz Balance
      • Cast Iron
      • Fits 1981 to 1995 5.0L V8 Mustangs, 93-95 Cobras


      Peace of Mind. When replacing your clutch you have two options, resurfacing your old stock flywheel, or getting a brand new flywheel. A new flywheel is a much better choice than resurfacing, as the flywheel will dictate how well your clutch will perform, as well as how long it will last.Cast for Strength. This Ford Racing Flywheel is cast from iron for extra strength and features a ring gear of 157 teeth, as well as a six bolt pattern. This is the perfect companion to your new Ford Racing Clutch.Fitment. The Ford Racing Cast Iron 50oz flywheel is a direct replacement for the 1986-1995 5.0 Mustangs and the 1993-1995 Cobras with an engine balanced for 50oz. Will also fit the 1981-1985 5.0 Mustangs when converting the stock 10" clutch to a 10.5" clutch.Technical Note. If you are replacing a Flywheel on a stock application, it would be best to use a 50 ounce flywheel. If the Flywheel will be used on a modified/bored and stroked application a 28 ounce would be ideal. If you are having your engine rebuilt and are unsure what Flywheel to get, please contact your engine builder to confirm which Flywheel is necessary for your application as you have to match the engine's Harmonic Balancer weight with the Flywheel.

      Fitment: 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 Details

      Ford Performance M-6375-B302

      CA Residents: WARNING: Cancer and Reproductive Harm -


      Customer Reviews (24)

      Write a Review

      Ratings Summary

      4.8 out of 5 overall rating from 24 customers

      Installation Time: Afternoon

      • March 11, 2020

        1 1994 GT - RidgeHawn Installation Time: Full Day

        Bolt holes don’t line up.

        I decided to buy a clutch kit for my project car and saw the flywheel on sale and got it since my old one had hot spots and minor cracking. Had the exact matching serial number flywheel as my old one RF-EIZR6380-A2A and the bolt holes don’t line up. You could only get 2 bolts to fit on the engine, the rest would spin forever and not catch.

        Helpful (3)
      • February 06, 2020

        5 1994 GT - JeffH Installation Time: Full Day

        1994 Saleen

        Very nice product really Made well heavy duty. Exact fit worked like a charm. Really like to replace stuff with Ford performance parts and nice price

        Helpful (3)
      • December 23, 2019

        5 1990 GT - mustang90 Installation Time: Full Day

        Ford Performance Replacement Flywheel

        Great flywheel with a quality product.My cluch grabs so much harder.Ford products are above any other.

        Helpful (3)
      • July 18, 2019

        5 1994 GT - ChuckG Installation Time: Afternoon

        Great choice for a replacement Flywheel

        This is a great product, the fix was perfect and the performance is great. No more vibration, everything went together just as it should. I am very please with this product.

        Helpful (3)
      • September 25, 2018

        5 1993 LX - DougieFresh Installation Time: Afternoon

        Perfect fit!!

        This flywheel is just what i needed. Like a dummy, i tried to save some money, and bought a cheaper flywheel, from somewhere else by the way, installed it, new clutch, and all, and as soon as i fires it up, it was vibrating badly, at 2800 rpms, the car felt like it was going to shake itself apart. I then ordered THIS flywheel, did the process all over again, but when i fires it up this time, it was smooth as butter!!. Save money at the grocery store, not on car parts, ive had this flywheel in for over 7,000 miles, and smooth as glass!! Highly recommend!!! Tbanks American Muscle!!

        Helpful (10)
      • August 01, 2018

        5 1995 GT - RamseyZ Installation Time: Afternoon

        FRPP Flywheel

        Replaced my old flywheel with this part when doing a clutch job (also purchased here). Excellent quality. Be sure to match the flywheel to your harmonic balancer (weights). Example: I have a 50 ounce harmonic balancer, so needed a 50 ounce flywheel. Also, install the flywheel with the weight rotated 180 degrees opposite the harmonic balancer weight in order to avoid vibrations. I recommend this part.

        Helpful (11)
      • July 20, 2018

        4 1994 Cobra - BrianQ Installation Time: Afternoon

        No real issues

        Does what it's supposed to do. I did have a bit of trouble getting one of the dowels to seat (new Ford Racing dowel and pressure plate bolt kit, also bought here) but that might have been user error.

        Helpful (11)
      • April 11, 2018

        5 1995 GT - Steven Installation Time: Less than 1 Hour

        .50 oz flywheel

        Fits great and perfect performance. Working on a AOD to manual swap with the Tremec T5 and this flywheel holds up to the power of this transmission well.

        Helpful (11)
      • March 14, 2018

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

        DARK CHILD

        flywheel fits great easy install. i rebuild my engine so it was easy to install.

        Helpful (11)
      • July 01, 2017

        5 1992 GT - my92gt Installation Time: Afternoon


        Car shifts great and i recommend it highly for stock stang.right price and fast shipping is hard to beat

        Helpful (13)

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      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Flywheel

      Tech Specs

      Flywheel Specifications
      Year/Model: 81-95 5.0L
      93-95 Cobra
      Manufacture: Ford Racing
      Material: Cast Iron Bolt Pattern: 6 Bolt
      Hardware Included: No SFI Certified: No

      Will It Fit My Mustang

      • Cobra - 93, 94, 95
      • Cobra R - 93
      • GT - 87, 88, 89, 90, 91, 92, 93, 94, 95
      • LX - 87, 88, 89, 90, 91, 92, 93
      • Other - 81, 82, 83, 84, 85, 86

      Fits 5.0L V8's with Manual Transmissions.

      Will fit 81-85 5.0 w/ stock clutch converted to 10.5"

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