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Exedy Lightweight Racing Flywheel - 6 Bolt (96-98 GT; Late 01-10 GT)

Market Price $394.23 You Save 7% ($29.20)
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$365.03

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  • Item 62511
  • MPN# EF503A

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Features, Video & Details

  • Designed to Reduce Weight
  • Enhances Airflow for Cooling
  • 6 Bolt Pattern
  • Billet Chromoly Steel
  • SFI Certified
  • Intended for Use with Exedy Clutches
  • Fits 1996-1998 and Late 2001-2010 GT

Review & Installation Video

Review & Install Video

Hey Justin with AmericanMuscle.com here and welcome to my detailed breakdown of the Exedy Lightweight Racing Flywheel available for all 96 and newer Mustang GTs. Exedy is no doubt one of the biggest and most trusted names in stock and performance clutches and flywheels. They are one of the biggest OEM manufacturers of clutches and flywheels, and their support for the aftermarket is just as big. If you want to learn more about Exedy’s lineup of clutches, flywheels and clutch accessories, all you have to do is simply click the link below to head back to AmericanMuscle.com. So why would you want to go with a lightweight flywheel like this Exedy here? Well, whenever you’re upgrading your clutch, we strongly recommend upgrading your flywheel as well for a number of different reasons. The most obvious reason, it’s going to be much lighter. In fact, we do have a stock S197 flywheel here, along with our scale, and that weighs in at roughly 22.5 – 23 lbs, compare that with our Exedy flywheel, which does weigh about 16 lbs so depending on your application, you’re going to be shaving off about 6-7 lbs of rotational mass from your drivetrain. That’s huge, getting rid of that much mass from your drivetrain when it’s rotational mass, means the engine is going to feel more responsive, it’s going to rev quicker, and as a result your car is sure to accelerate to red line a little faster. OF course if you did want to learn more about the benefits of a lightweight flywheel you can always give us a call at 855-422-7439, or shoot us an email at support@AmericanMuscle.com. In addition both the SFI certified 6 and 8 bolt flywheels are made from solid one piece chromoly steel forgings, making them extremely strong in addition to being lightweight. Since they are one piece, all the ring gear teeth around the outside here are actually part of the flywheel itself, as opposed to other aluminum aftermarket flywheels which do have the ring gear teeth pressed onto the flywheel, which can be a known weak spot for failure down the road. Another unique feature of the Exedy flywheel is that they incorporate a special design into the flywheel itself to enhance air flow to both the clutch disk and the flywheel surface area. This is huge because as you may or may not know the biggest enemy to any clutch is excessive heat. Excessive heat will cause your clutch to start slipping like crazy and eventually it may glaze over possibly causing permenent damage to both the clutch disk and the flywheel itself. Whenever installing a new aftermarket clutch we strongly recommend going with an aftermarket flywheel of the same brand. So obviously if you’re going with an Exedy clutch we recommend going with the Exedy flywheel here just to ensure fitment and operation. It also makes sense to install both at the same time since obviously the trans will need to be dropped to do both. If this is something you haven’t done before, we recommend getting this one done by your local shop, on the other hand if you do this kind of thing all the time and you have access to all the right tools, just leave yourself about 4 hours or a nice Sunday afternoon in the garage to get everything bolted up, and don’t forget to follow the recommended manufacturer break in procedure for your clutch, before you really start beating on the car. Exedy’s lightweight racing flywheel offers a solid one piece chromoly construction, that reduces the rotational mass of your drivetrain , all of which results into a freer revving, more responsive engine and of course it can be found right here at AmericanMuscle.com, and if you should have any questions on what flywheel you need for your application, whether it’s 6 or 8 bolt, just give us a call at 855-422-7439.

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 1996-1998 GT, late 2001-2010 GT and Bullitt Mustangs with a six bolt main. This the perfect companion to your new Exedy Clutch.

Technical Note. This Exedy Flywheel is designed for the GT Mustang's with a six bolt main. 2001 Mustangs with production date after 06/01 have a six bolt main.

Please Note. Romeo built engines have 6 bolt cranks and Windsor built engines have 8 bolt cranks. If the 8th character in the VIN is an "X" its a Windsor block, if the 8th character in the VIN is a "W" it is a Romeo block. There is an exception to that rule as the 2001 Bullitt Edition Mustang feature a Romeo built engine. If unsure please check with your Ford dealer to determine if you have a 6 or an 8 bolt main.

Fitment: 1996 1997 1998 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 Details

What's in the Box
  • (1) Flywheel
  • (3) Dowel pins
Installation Info

Installation Time: (approx) 3 Hours

Difficulty Level:Mechanical expertise or professional installation required.

Installation Guides:

Tech Specs
Flywheel Specifications
Year/Model: 96-98 GT
late 01-10 GT
Manufacture: Exedy
Material: Billet Chromoly Steel Bolt Pattern: 6 Bolt
Hardware Included: None SFI Certifited: Yes
Will it fit my Mustang?
  • Bullitt - 01, 08, 09
  • GT - 96, 97, 98, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10

People Who Bought This Item Also Bought

Most Helpful Reviews

5/5
Great lightweight reliable flywheel

I blew out my stock clutch and flywheel so I decided to buy an exedy stage 1 clutch and this matching steel flywheel for my 2002 GT 6 bolt main. I am very pleased with this flywheel, after weighing the ...

Read More
Helpful (7)

5/5
Works and Looks Great

I installed this flywheel with the Exedy Mach 500 clutch. Very nice flywheel. Remember to install the dowel pins BEFORE you put the flywheel on the car! I had to take off the flywheel because installing ...

Read More
Helpful (4)

Overall Rating 4.9 out of 5 stars
Read All 67 Reviews

Customer Photos (16) Submit Your Photo

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17 Questions / 5 Answers

Ask a Question

what if my eight digit is a H would this fly wheel be compatible

eddie

  • If your digit is "H", you will have a 4.6L motor. The 4.6L motor is in the 2005-2009 V8 Mustangs. This will fit with that motor.

    KevinD92

Helpful (2)

Do you need to do something with the harmonic ballancer when useing this flywheel?

BrianB

  • The Exedy Lightweight Racing Flywheel will use the same balance weight as the OEM flywheel, allowing the stock harmonic balancer to be used.

    Rob D

Helpful (0)

I bought this flywheel with exedy clutch 400. so i have 6 dowel pins. do I need put all of them on flywheel?

ArtemM

What is the weight difference In weight from the stock flywheel to the lightweight excedy?

ERICM

  • The Exedy Lightweight Racing Flywheel is about 9-10 lbs lighter than the stock flywheel.

    VincentV

Helpful (0)

What happens when I already have this flywheel for a while and want to change my clutch ? Can I resurface it or do I need to buy a new one ?

Adam

  • If you are replacing your clutch with another Exedy clutch you can keep your existing Exedy Flywheel if resurfacing it will allow it to be reused. Otherwise, you will want to pair your replacement clutch with a manufacturer matching flywheel, as this flywheel is specifically for Exedy clutches.

    AMRich

Helpful (0)

Is this flywheel 11in or 10.5in???

Vaderxaces

  • The Exedy Lightweight Racing Flywheel is 11 inches in diameter.

    AM MikeW

Helpful (0)

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Customer Reviews (67) Write a Review

Overall Rating 4.9

out of 5 stars

Installation Time:Full Day

Installation Cost:$250-$500

  • Performance Gain 4.523077 4.5
  • Fit 4.9375 4.9



  • 5/5

    Installation Time: Weekend

    March 13, 2013

    Great lightweight reliable flywheel

    I blew out my stock clutch and flywheel so I decided to buy an exedy stage 1 clutch and this matching steel flywheel for my 2002 GT 6 bolt main. I am very pleased with this flywheel, after weighing the two I can tell you that the factory flywheel weighed 22.5 pounds, and this lightweight steel flywheel weighs in at 16 pounds. This is a noticeable difference and the best part is that the weight is removed at the edge of the flywheel; due to physics that is actually a better place to remove weight compared to the center of the wheel. Because it is a spinning object, removing weight from the outer edge will have a big effect, and after revving up my engine I can tell you that yes indeed this lightweight flywheel increases how fast it revs. If you want your engine to rev even faster you can also buy an aluminum drive-shaft, however this flywheel alone is a great improvement without making your street prowler hard to drive.

    Armyturtle4

    Year: 2002 Submodel: GT Pleasanton, CA, USA

    Helpful (7)

  • 5/5

    Installation Time: Weekend

    January 15, 2013

    Works and Looks Great

    I installed this flywheel with the Exedy Mach 500 clutch. Very nice flywheel. Remember to install the dowel pins BEFORE you put the flywheel on the car! I had to take off the flywheel because installing the dowel pins is not practical if the flywheel is on the car. A trick I used was to cool the dowel pins using an air duster by inverting the can. This helped to hammer in the dowel pins. The flywheel comes with an oil on its surface so make sure to use brake cleaner to clean it before installing the friction disk and clutch cover.

    OheightMustang

    Year: 2008 Submodel: GT

    Helpful (4)

  • 5/5

    Installation Time: Afternoon

    January 22, 2017

    Revs up quick

    This upgrade had a noticeable feel in acceleration. Not a ton but enough to make you smile. Whatever you do, install the dowel pins before you bolt up to your engine. This will make your life so much easier. I stuck my dowel pins in the freezer for about 30 min while I was getting everything prepped and cleaned and the pins tapped in nicely. The flywheel itself felt like it had a slight pressed on fit when installing which was really nice as well. I use my pony as a daily driver and I have not had a single issue driving around town with this part.

    Ziggy

    Year: 2007 Submodel: GT

    Helpful (2)

  • 5/5

    Installation Time: Weekend

    June 06, 2016

    Bang for your buck

    This is a good product to go along with the stage 2 clutch. I will recommend this product to anyone who is upgrading there stock clutch and flywheel

    GuyThatDrivesMustang04

    Year: 2004 Submodel: GT

    Helpful (2)

  • 5/5

    Installation Time: Shop Install

    Installation Cost: $500-$1000

    November 30, 2013

    nice

    i got this put in along with the exedy stage 2 clutch.

    gtforjunior

    Year: 2003 Submodel: GT Babbitt, MN, USA

    Helpful (2)

  • 5/5

    Installation Time: Shop Install

    Installation Cost: $500-$1000

    October 02, 2017

    A combination of Flywheel and Stage 2 Clutch

    After blowing the original stock (80 mile) throw-out bearing, it was best decided to save some money and replaced most of the front drivetrain parts since the car had to be in a shop anyway. Before putting the car back on the track, I had replaced the flywheel, full clutch and fluid line and then added a standalone reservoir for the clutch fluid: Exedy Lightweight Racing Flywheel - 6 Bolt (96-98 GT; Late 01-10 GT) Exedy Mach 400 Stage 2 Clutch w/ Hydraulic Throwout Bearing (05-10 GT) McLeod High Performance Hydraulic Clutch Line Upgrade (05-14 V8) Shelby Iso-Clutch Remote Reservoir Kit (10-14 All) So it’s hard to give a review of one product, when combined it makes the world of a difference. I’m past the 750mile break-in and already had it back on the track so here’s my honest option: The combination of Exedy Flywheel and Stage 2 Clutch was a perfect pair! What I significantly notice is how easy it is to get the car rolling. If you release the clutch extremely slow while barely making over 1,000 rpms, the car actually engages and moves rather than the underpowered sputter that used to happen, wonderful for NJ traffic! The combination also helps with the initial launch as well, where if you released the clutch late during an rpm drop the car no longer does the underpowered sputter it used to. There’s noticeably a lot less lag in the lower rpms and the peak level feels a lot smoother going from mid to higher rpm’s. The bite on this combination is hard, and the rear tires spin when slamming it from 2nd into 3rd. Another obvious sign was how quickly the car stars up from a cold-start when sitting outside overnight. The McLeod clutch line upgrade made a drastic improvement as well. Not only does the clutch petal itself feel much smoother when engaging, but I’m fairly certain that it’s transferring the fluid consistently enough to know exactly where and when the clamping is happening, I seemed to reduce the amount of over-revs I used to have. And lastly I spent a good 6 hour day on Englishtown’s road course and had no problems whatsoever this time with the gears getting “sticky” and difficulties with shifting into 3rd while near redline at high temps. The clutch felt solid and dependable the entire time, I’m assuming this was also due to the fact I installed the Shelby Iso-Clutch Remote Reservoir Kit, which by design was supposed to separate the clutch fluid from the hot brake fluid. It didn’t cut down on the beak fade about 2 hours in but I did have very clean and consecutive shifts which was one of my original problems after spending hours on the track with the stock setup. I don’t have a single complaint. American Muscle sent everything within days of ordering with no problems, and “Krazy House Customs” who did the install for me said they didn’t have any issues at all. I would definitely recommend these parts to anyone who needs either their stock flywheel or clutch replaced.

    ScottJ

    Year: 2010 Submodel: GT

    Helpful (1)

  • 5/5

    October 10, 2016

    Much better then stock

    I've installed this and the Exedy clutch on two different 02' GT's. After about 150 miles the clutch breaks into normal feel, still don't want to romp it around till around 5-750 miles in my opinion just to make sure everything has a good chance to break in. If you're wondering on work time it takes; It took me around 10 hours of straight work with one mediocre friend assistant. Mainly because I had a few complications getting parts off. The main problem is the starter, that thing sucks if the top bolt is on I found it easy to remove the top half the starter then put it back together once it was off the car. This is a great flywheel none the less. Very noticeable RPM increase and decrease in neutral and the car is way smoother when shifting, grabs nice and tight. Way better then the stock one. I paired this with the Exedy stage 2 clutch and it is honestly so smooth I love it.

    Stewart

    Year: 2002 Submodel: GT

    Helpful (1)

  • 5/5

    July 15, 2016

    Exedy flywheel 04gt

    Had to change and purchase new dowell pins. I decided to use this flywheel with exedy stage II clutch. Also installed LT headers/x-pipe/SLP loudmouth I, and centri-supercharger. Aside from boost and a whole different exhaust note, the car revs faster. I use this on 2 supercharged mustangs I own. Both 450whp 2v's. Recommend this flywheel

    mustang04

    Year: 2004 Submodel: GT

    Helpful (1)

  • 5/5

    Installation Time: Afternoon

    May 04, 2016

    Good flywheel but do research first

    Don't get me wrong this flywheel is really good especially when paired with a new clutch. In terms of performance I have no complaints at all. What I do have a problem with is the parts listing for this flywheel and the 8-bolt version as well. I originally ordered an 8-bolt because the parts page said if your VIN has an "X" in the 8th character then you have a Windsor block and need an 8-bolt flywheel, eventhough my year was not listed. So I bought the 8-bolt flywheel. I go to put it on and I see 6 bolts holding on the OEM Flywheel. I was not happy at all. However, I called AM, and they 1-day shipped me the correct part for my 2004 GT and everything went back together just fine. Don't make the same mistake I did, if you're that unsure of what bolt main you have just run to the Ford dealer, give them your VIN, and they will tell you if it's 6 or 8 bolt. Other than that mishap this is a great product.

    Jordan

    Year: 2004 Submodel: GT

    Helpful (1)

  • 5/5

    Installation Time: Full Day

    December 22, 2015

    Since you're in there

    I was replacing my clutch and since I had it all apart I figured I'd replace the flywheel too. I liked the idea of the strength of steel and the lightweight part for less rotating mass. It is an interesting fit as it'll only fit one way and that can take some time to find the right way. But I did notice the engine revs faster now and it seems to be working pretty good.

    Ras

    Year: 2006 Submodel: GT Fayetteville NC

    Helpful (1)

  • 5/5

    Installation Time: Weekend

    March 09, 2015

    Perfect fit

    Lightweight and perfect match to a new Exedy clutch. Took about a weekend for myself and friend to install.

    KellyS

    Year: 2007 Submodel: GT Malvern, PA

    Helpful (1)

  • 5/5

    Installation Time: Full Day

    August 04, 2014

    The way to go

    I have a heavily modded gt well over 500 hp running the Exedy Mach 600 Stage 4 Clutch (Late 01-04 GT.with the Exedy Lightweight Racing Flywheel - 6 Bolt (Late 01-04 .And have had no issues as of yet love the setup.

    DREADSAW

    Year: 2001 Submodel: GT Lynn Haven, FL, USA

    Helpful (1)

  • 5/5

    Installation Time: Full Day

    December 29, 2013

    Looks Really Cool

    I received this flywheel as an upgrade from Exedy and did not buy from AM. I figured I'd share my experience with it here. Revs up much smoother and quicker. Hard to tell how much performance gain I got because I installed a CAI at the same time. But between the two of them I saw a nice gain. Like they say, every bit counts!

    JetLife

    Year: 2001 Submodel: GT Stockton, CA, USA

    Helpful (1)

  • 5/5

    Installation Time: Full Day

    May 20, 2013

    quicker revs

    This light weight flywheel feels like bolting on 20hp! The engine pulls stronger from 2500rpm on up. You will notice the difference! I paired this with the Exedy Mach 400 clutch, Steeda cable and quadrant, and the SR firewall adjuster. Also put in The Ford Racing throw out and pilot bearings. It's a perfect combination of parts. Go baby go!!!

    dmoney454

    Year: 2003 Submodel: GT Arlington, WA, USA

    Helpful (1)

  • 5/5

    Installation Time: Shop Install

    Installation Cost: $250-$500

    February 13, 2013

    Awesome!!!

    Great match with Exedy stage 2 clutch. Catches great lets my pony gallop.

    Shadows2237

    Year: 2009 Submodel: GT Biloxi, MS, USA

    Helpful (1)

  • 5/5

    Installation Time: Shop Install

    Installation Cost: $500-$1000

    November 30, 2012

    wow! what a difference .

    this review is probably a little premature . I just had this installed and only have about 11 miles on this setup . this fly wheel with Exedy stage 3 clutch and steeda quick release clutch quadrant and SR firewall cable adjuster Ford Racing roller pilot Ford Racing clutch fork and Ford Racing Performance throw out bearing. the previous clutch was a spec . granted it was old and worn out and very hard clutch. it gave my left leg a heck of a workout . with this new setup I almost put my foot to the floor board. now it's so light and easy and the shift so easy and smooth and quick . so far I would say to setup is awesome . I will write another review when I have broke in the clutch and put some hard driving on it . so far very happy with the setup .

    steve44

    Year: 2004 Submodel: GT Buena Park, CA, USA

    Helpful (1)

  • 5/5

    Installation Time: Full Day

    August 05, 2012

    Awesome Flywheel

    when i got it this flywheel it was in great condition. there was no cracks or dents. The weight difference between the stock flywheel was minimal, but there was a noticeable difference. Installation took me about a day to install along with a new clutch, but the flywheel was a perfect fit. i had no problems. If your looking for a new flywheel for your GT go for this one.

    SanchoVilla

    Year: 2001 Submodel: GT

    Helpful (1)

  • 5/5

    Installation Time: Full Day

    July 27, 2012

    go baby go

    looks amazing and is alot lighter than my stock flywheel. quickly rev's up now. would recomend

    03gtt

    Year: 2003 Submodel: GT my casa

    Helpful (1)

  • 5/5

    Installation Time: Full Day

    November 23, 2017

    2010 Mustang GT performance updgrade

    This was recommended as part of a performance upgrade that included under drive pulley set, Alabama race tune, 3.73 rear gears, x pipe, short throw shift, KandN cold air, new clutch, flywheel and slave cylinder. After installing everything the pony now performs like it should.

    LarryR

    Year: 2010 Submodel: GT

    Helpful (0)

  • 5/5

    Installation Time: Shop Install

    Installation Cost: $100-$250

    November 19, 2017

    Great product

    Great product ...can feel the diffrence...revs up quicker and smoother ...great upgrade paired with the excedy stage 2 clutch

    Ram

    Year: 2001 Submodel: GT

    Helpful (0)

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