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Exedy Lightweight Racing Flywheel - 8 Bolt (15-17 GT)

Market Price $425.99 You Save 14% ($60.96)
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  • Item 387550
  • MPN# EF502A

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    Features, Video & Details

    • Designed to Reduce Weight
    • Enhances Airflow for Cooling
    • 8 Bolt Pattern
    • Billet Chromoly Steel
    • SFI Certified
    • Intended for Use with Exedy Clutches
    • Fits 2015-2017 GT

    Review & Installation Video

    Review & Install Video

    This is the Exedy lightweight racing flywheel for the 2015 and newer GT Mustang. You're gonna wanna check out this flywheel if you're looking for a new flywheel to pair with an Exedy racing clutch. Exedy flywheels are designed to be paired with Exedy clutches, and normally, when you're shopping for a new clutch, especially a higher performing clutch or one that's made to handle a higher horsepower setup, you really wanna pick up a new flywheel instead of resurfacing your stock one. Now, the install for a flywheel is gonna be a difficult one. Normally, you're installing a new clutch at the same time as the flywheel. You can expect a full day of work in the garage and a three-out-of-three wrenches on the difficulty meter. When you're shopping for a flywheel, you have a few different options when it comes to materials, usually billet steel or billet aluminum. Sometimes, you see lightened aluminum or lightened steel. You wanna make sure that you pay attention to the material of the flywheel because it's gonna make a considerable difference in the drivability of the car, and the life of both the clutch and the flywheel. The choice between steel and aluminum really all depends on what you plan on doing with your car and your preferences. This flywheel is made from billet chromoly steel, and it's lighter than the factory flywheel, about four or five pounds lighter, so it's gonna help with inertia and give you a little bit of a different drive than the factory flywheel can. This is stronger than the factory flywheel, too, which you will need if you're upgrading your clutch for horsepower and torque reasons. It's also SFI certified for those guys out there that are looking for that certification. If you guys have ever seen a flywheel before, you can see that this one looks a little bit different than most. Usually, they're more solid than the Exedy one is, so one drawback for the steel flywheel can be that it has limited heat dissipation. This flywheel is designed like this to give extra ventilation and allow for better heat dissipation. The openings here are larger than what you normally see. Normally, you'd see a few smaller holes, but the Exedy racing flywheel has these larger oval-shaped holes. Exedy really made this flywheel to be versatile. It's lighter than the factory flywheel, so you can get the benefits of a lighter flywheel and the easier revving and RPM increase. You also have the stronger materials, so it'd be safer with increased horsepower, especially in those higher RPM's. And you have the ventilation, more ventilation than what you'd normally see with a steel flywheel, for those of you out there that are looking for racing performance and needing the heat dissipation. When it comes to price, you can expect to pay just over $350. This is pretty standard for a steel flywheel. If you're looking for an aluminum flywheel, you can expect to pay a bit more. The steel flywheels are a bit more affordable, but like I said earlier, it really all depends on what you plan on doing with your car and what you're personally looking for. As far as the install goes, this is gonna be a difficult one. It's gonna be a day in the garage, and it's gonna be a three-out-of-three wrenches on the difficulty meter. It's a lot of work, so you need some experience to get this job done yourself, and a lift is gonna be your best friend. If you don't have these things, it might be best to take the car to a shop for the install. You've gotta drop your trans, which means you'll need to unbolt your exhaust and drop it from mid-pipe back, and your drive shaft, as well. You'll have to drop your starter and unbolt the bell housing to get the MT82 out of the way so you can get to the clutch and the flywheel. Once the stock clutch is out of the way, you'll need to install your new flywheel and clutch. If you're installing the new clutch at the same time, the instructions will tell you how to assemble your clutch. After that, you're looking at needing to bleed the clutch line, which can take a little bit of time, but it isn't difficult. The only other thing that I wanted to mention here is to make sure you follow the break-in period with the clutch if you happen to install a new one with the flywheel. That's gonna wrap things up for the Exedy lightweight racing flywheel for the 2015 and newer GT. As always, you can check it out more online, right here at

    Peace of Mind. When upgrading to an Exedy performance race clutch resurfacing your old stock flywheel just won't cut the mustard. A brand new matching flywheel is a much better choice than resurfacing, as the flywheel will dictate how well your race clutch will perform, as well as how long it will last.

    Engineered For Better Response. Made from one piece solid billet chromoly steel forgings, Exedy Race Mustang Flywheels are specifically engineered to reduce weight and inertia for improved engine response. This Race Flywheel incorporates special design features to enhance air flow to improve the cooling of the clutch.

    SFI Certified. If you're using this flywheel in high performance or racing applications, SFI Certification is critical so you can run your Pony at the track or strip. And it's great for peace of mind even in a daily driver - at higher RPMs, stock cast flywheels have been known to explode.

    Application. This Exedy Racing Flywheel fits the 2015-2017 GT Mustangs with an eight bolt main. This is the perfect companion to your new Exedy Clutch.

    Fitment: 2015 2016 2017 Details

    CA Residents: Warning: California's Proposition 65

    What's in the Box
    • (1) Flywheel
    Installation Info
    Tech Specs
    Flywheel Specifications
    Year/Model: 2015-2017 GT Manufacture: Exedy
    Material: Billet Chromoly Steel Bolt Pattern: 8 Bolt
    Hardware Included: None SFI Certifited: Yes
    Will it fit my Mustang?

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    Questions & Answers (4)

    4 Top Rated Questions

    how much does it weigh compared to stock flywheel?

    • The Exedy Lightweight Racing Flywheel - 8 Bolt (15-17 GT) has a weight of 17.35lbs whereas the stock flywheel has a weight of 21.6lbs.

    Helpful (2)

    How much horsepower can this flywheel handle?

    • Exedy does not rate their flywheels for horsepower output but they are balanced up to 15,000-18,000rpm.

    Helpful (1)

    Can the stock bolts that attach pressure plate to flywheel be used on the exedy lightweight flywheel since its thinner than the oem

    • The Exedy Lightweight Racing Flywheel will accept the OEM dowel pins and bolts.

    Helpful (0)

    How does this flywheel paired with the stage 3 clutch kit feel compared to stock? I have CAI, borla catback, and an SCT tune. Is there chatter?

    • Infinitely better. It is imperative that you get the same brand flywheel as you do clutch because doing otherwise will lead to, worst case, simply not being compatible and simply won't work. Best case, they are compatible but you are not using the full potential of the clutch, as well as drastically cutting down on the lifespan of said clutch and flywheel combination.

    Helpful (0)
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    Customer Reviews (9) Write a Review

    Overall Rating 4.7

    out of 5 stars

    Installation Time:Full Day

    • Fit 4.888889 4.9
    • Bang For Your Buck 4.555555 4.6
    • Grip / Bite 4.888889 4.9

    • 5/5

      Installation Time: Shop Install

      May 26, 2018

      Happy Rever

      Car revs very quickly. A blast to drive now. I got the matching clutch kit also. Love all of it. Highly recommend this and clutch kit.


      Year: 2016 Submodel: GT

      Helpful (1)

    • 4/5

      Installation Time: Full Day

      May 12, 2018

      Better than factory!

      Just installed this weekend, so it’s still breaking in. It’s better than factory, SFI approved, and lighter as a bonus. Win/Win!


      Year: 2016 Submodel: GT

      Helpful (0)

    • 4/5

      Installation Time: Full Day

      April 12, 2018

      Great product

      Simple install, 500 miles in and limited NVH increase, only at low rpm's. Time to start increasing the rev's after the break in.


      Year: 2015 Submodel: GT

      Helpful (0)

    • 5/5

      Installation Time: Afternoon

      March 05, 2018

      Exedy lightweight

      I purchased the exedy stage 3 clutch and also purchased the lightweight flywheel and I notice my rpms would get to 8k faster since I have the gt350 intake manifold and clutch pedal feels good not to soft and not to stiff feels just right. really happy with the set up next up the driveshaft.


      Year: 2016 Submodel: GT

      Helpful (0)

    • 5/5

      Installation Time: Full Day

      February 19, 2018

      Great Flywheel

      Install was not bad, but instructions should’ve been included on where to install dowel pins for applications. I had to remove and install for S550 pressure plate.


      Year: 2016 Submodel: GT

      Helpful (0)

    • 5/5

      Installation Time: Afternoon

      July 07, 2017

      Exedy light weight flywheel awesome

      This flywheel definitely helped with high revs smoother driving and great throttle response


      Year: 2016 Submodel: GT

      Helpful (3)

    • 4/5

      Installation Time: Full Day

      June 27, 2017


      At 35,000 my clutch decided to explode, so I replace with Exedy Clutch and Lightweight Flywheel. The engine accelerates much quicker, and is very on-demand. The lightweight flywheel is very loud though, with radio/ac off you can hear your transmission and the flywheel working, not really a bothersome thing, it had just made me a bit nervous after I had installed because of it being louder. Also the next thing is the Dowel Pins, I could not for the life of me get the dowel pins to fit on the flywheel, I ended up having to FREEZE the dowel pins overnight to shrink the metal a bit and then heat the area up on the flywheel to expand it for it to fit in. If you just try to hammer them in you will mushroom the heads of the dowel pins. All in all 4/5 stars is a perfect representation due to the fact of the loudness and installation problems with the dowel pins, but I would purchase this product again and I would recommend it to my friends.


      Year: 2015 Submodel: GT

      Helpful (5)

    • 5/5

      Installation Time: Afternoon

      November 10, 2016

      Awesome choice

      Great flywheel, slight chatter at lower RPMs when installed with the stage 3 clutch and hydraulic throw out bearing from exedy. Shifts are really smooth and precise, car shifts much better


      Year: 2016 Submodel: GT

      Helpful (5)

    • 5/5

      Installation Time: Afternoon

      April 27, 2016

      Great fit!

      matched up nicely with my Exedy mach 600 stage 4 clutch. so far so good!


      Year: 2015 Submodel: GT

      Helpful (3)

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