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Ford Performance Aluminum Driveshaft - 31 Spline (96-04 GT, Mach 1; 96-98 Cobra)

80 Reviews
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  • Item #24011
  • MPN# M-4602-J

  • Market Price $337.69
  • You Save 9% ($30.70)
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  • Reduces Rotating Mass for Quicker ET's
  • Light Weight Aluminum
  • Stock 31 Spline Design
  • Fits 96-04 GT/Mach 1 & 96-98 Cobra
  • Made in the USA
Less Weight, More Power. Ford Racing's Light Weight Aluminum Driveshaft for 1996 to 2004 GTs, 1996 to 1998 Cobras, and 2003 to 2004 Mach 1 Mustangs is designed to reduce stress on your car by reducing the rotating mass of your drive train. Less weight means better power transfer allowing you to put more horse power to the ground.

Superior Construction. Constructed of light-weight, high-strength seamless 3.5" diameter aluminum tubing. Ford Racing's Light Weight Aluminum Driveshaft is built to last and is the perfect replacement for your street or strip car.

Specifications. This Ford Racing drive shaft is made from lightweight aluminum and features a stock 31 spline design that is compatible with 8.8" differentials.

Application. The Ford Racing drive shaft fits 96-04 Mustang GTs, 96-98 Cobras, and 03-04 Mach 1s with manual transmissions.

Technical Notes. For manual transmissions only. Will not fit 99-04 Cobra.

Fitment: 1996 1997 1998 1999 2000 2001 2002 2003 2004 Details

What's in the Box
Hardware included:
  • 31 Spline Yoke
  • U-joints
Installation Info
Tech Specs


  • Ford Part# M-4602-J
  • Fits 1996-04 GT Mustang with manual transmission
  • Fits 1996-98 Cobra 4.6L with manual transmission
  • Fits 2003-2004 Mach1 with manual transmission
  • Stock 31 spline yoke
  • High strength, 3.5" diameter 0.114" wall thickness 6061-RT62 aluminum seamless drawn tube
  • 1330 U-joints 45.5" long (CL to CL of U-joints)
  • Will not fit 1999-04 Cobra
Will it fit my Mustang?
  • Bullitt - 01
  • Mach 1 - 03, 04
  • Cobra - 96, 97, 98
  • GT - 96, 97, 98, 99, 00, 01, 02, 03, 04

Not compatible with automatic transmissions or 1999-2004 Cobra Mustangs

Most Helpful Reviews

Nice add on

Eliminated vibrations at high speeds, and tightened the drive train during daily driving.

Helpful (2)

FR Alu Driveshaft

Quality Part from AM, I do feel the revs pick up quicker than before, and it does feel smoother. It was easy to swap out the stock Ford heavyweight with this one. Make sure the front end and back of the ...

Read More
Helpful (1)

Overall Rating 4.8 out of 5 stars
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Review & Install Video

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17 Questions / 11 Answers

Ask a Question

Will this fit a 2001 Bullitt?


  • Yes, this aluminum driveshaft will definitely fit in your 2001 Bullitt without any problems!


    Good Answer (1) (0)

Show 2 more answers Question Resolved

V6 with gt rear end swap I put a gt rear end on my 2003 v6 mustang, and added 4.10 gears. Would this driveshaft fit? Or will something go wrong with the fitment in the transmission?


  • The driveshaft lengths (less the transmission yoke assembly) are the same. The determining factor in whether you need a 31 spline driveshaft or a 28 spline unit is determined by your transmission type. (31 spline or a 28 spline transmission). The car's differential is not a factor in determining the length of the driveshaft.


    Good Answer (0) (0)

Answer This Question I need this answered (0) (0)

It says that this won't fit automatic transmissions, is that true ? It says in the discription it won't. I heard if I use the stock yoke it will fit. Is that true ?


  • The Ford Performance Aluminum Driveshaft - 31 Spline (96-04 GT, Mach 1; 96-98 Cobra) will not fit automatic transmissions as the automatics have a different spline and size. Also if you have questions about using the stock yoke in place of an aftermarket yoke, give us a call to discuss which yoke you can potentially use!


    Good Answer (0) (0)

Question Resolved

Will this hold up to over 300 rwtq? I had 3:27 gears stock in my car and I replaced with 3:73 and now at about 100 mph I have a huge driveshaft vibration when before with the 3:27's it didn't vibrate until about 150. With this driveshaft will it fix my driveshaft vibration where I can do more than a 100 mph without the worry of the driveshaft flyin out?


  • This is a solid design and much stronger than stock. I do not mean to insult your intelligence, but did you replace the bearings when you did the job? Most people say it is not needed, but I always recommend new bearings with gear changes. Also when you removed the drive shaft if a bolt fell out or was bought after market and changed it can throw it out of balance. You probably know all this, but I would recheck all the hardware including the pins and U washers. Good luck, and even if it was on those problems, the upgrade is still a great purchase. It reduces unsprung and rotational weight, there will be a noticeable difference with this. I swapped to a 3:73 before installing a new drive shaft and never had that problem doing 150+.


    Good Answer (3) (0)

Show 2 more answers Question Resolved

Will this driveshaft work if i have an automatic transmission?


Answer This Question I need this answered (0) (0)

What is weight of Aluminum shaft compared to stock? I strongly encourage you to include the weight of all parts compared to stock as often as possible.


  • its 9 pounds lighter than stock


    Good Answer (1) (0)

Show 1 more answer Answer This Question I need this answered (0) (1)

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Customer Reviews (80) Write a Review

Overall Rating 4.8

out of 5 stars

Installation Time:Afternoon

Installation Cost:$100-$250

  • Performance Gain 3.622222 3.6
  • Fit 4.844444 4.8

  • 4/5

    Installation Time: Afternoon

    June 18, 2013


    Their is a dramatic difference in smoothness felt in the car. Hard to measure any performance gain as 3.73 gears were installed at the same time. The driveline smoothness change makes me wish I had done this along time ago and justifies the cost. Installed in a '99 GT with an Automatic by swapping the front yoke on it from my old driveshaft.


    Year: 1999 Submodel: GT Indiana

    Helpful (1) (0)

  • 5/5

    Installation Time: Less than 1 Hour

    January 27, 2012

    '02 gt

    Great fit. Cut down on my vibration issues 100%. Before the install I had this weird noise when letting off acceleration and it is now completely gone. Very happy!


    Year: 2002 Submodel: GT db, FL

    Helpful (1) (0)

  • 5/5

    Installation Time: Less than 1 Hour

    January 25, 2012

    FR Alu Driveshaft

    Quality Part from AM, I do feel the revs pick up quicker than before, and it does feel smoother. It was easy to swap out the stock Ford heavyweight with this one. Make sure the front end and back of the box is clean, so no dirt can get in the back of the box.


    Year: 2004 Submodel: GT

    Helpful (1) (0)

  • 4/5

    Installation Time: Less than 1 Hour

    September 01, 2011

    Awesome Product

    Took me 10mins to install & it weighed 7.5lbs less than the stock one. Completely smoothed out the vibrations above 4.5krpm! & the car use to feel like something was dragging on it when I accelerated hard but it feels more free when revving all the way up!


    Year: 1996 Submodel: Cobra Martinez, CA

    Helpful (1) (0)

  • 5/5

    May 18, 2008

    Nice add on

    Eliminated vibrations at high speeds, and tightened the drive train during daily driving.


    Helpful (2) (0)

  • 5/5

    May 10, 2010

    Lightweight drive shaft

    The Ford Racing Driveshaft is a great way to improve your accelartion and remove some unsprung weight. I installed it in less than 30 minutes. A little suggestion if you dont have a lift, jack up the car from the rear instead of the front so you dont lose any of the tranny fluid when you remove your old drivesahft.

    Andrew Pichinte

    Helpful (40) (1)

  • 4/5

    July 21, 2010

    Slightly noticeable difference

    Pleased with it for the most part. Noticeably improved acceleration. Especially above 3500RPMs. Cleared up about 90% of drive train vibration. Noticeable improvement overall, just not drastic. Just wish it wasn't such a pricey mod.


    Helpful (22) (0)

  • 5/5

    September 25, 2010


    This driveshaft is awesome! I can really feel the difference! The drive is great. It's such a smoother car!


    Helpful (3) (1)

  • 5/5

    May 16, 2011

    Installed on automatic GT

    Works good on automatic transmission cars also, just remove the yoke that comes with drive line and install the yoke from your old drive line. Helped with vibrations.


    Year: 2000 Submodel: GT

    Helpful (16) (0)

  • 5/5

    Installation Time: Less than 1 Hour

    February 23, 2012

    Butter Smooth

    I have been thinking about putting one of these on my Cobra for quite some time, but was skeptical because of the price of admission. As soon as I dropped it down off of my lift, pulled it out of my garage, I thought goes. I pulled out onto the road and within the first mile I asked myself, why the heck didn't I do this a long time ago? I drove out onto the highway, and just listened to and felt the smoothness of my car. It wasn't until I put this on that I realized how smooth and sound my whole drivetrain was. This is definitely worth the price of admission, and a huge improvement over the massive junk paperweight stock driveshaft. Thanks again American Muscle for great prices, and excellent service combined with the free shipping, you cannot go wrong. This isn't my first purchase from these guys and gals, and won't be my last.


    Year: 1998 Submodel: Cobra Maryland

    Helpful (15) (1)

  • 5/5

    September 22, 2009

    mach1 aluminum driveshaft

    very nice product! I weighed the stock driveshaft and the aluminum ford racing driveshaft, and there was 6 pounds difference.


    Helpful (15) (1)

  • 5/5

    January 04, 2011

    did it's yob.

    I only purchased this because after my 4:10 gear swap I had a nasty vibration at the top of 4th gear/end of the quarter mile due to the factory shaft. Right out of the box it had the marks left on the shaft showing the balance was checked. 15 minutes later smooth riding to 120 and beyond(at the track only). Very satisfied.


    Year: 1996

    Helpful (11) (1)

  • 5/5

    August 01, 2009

    Worth wild mod

    If your stang's a daily driver and your the type of driver that notices any change to how your stang drives you will feel a difference. I have every minor bolt-on with stock 3.27's gears and I still felt a noticable difference. Much improved acceleration and smoothes out the drivetrain. Thanks AM!

    David (S.FLA)

    Helpful (5) (0)

  • 4/5

    May 01, 2011

    Stopped Leak

    I do not think the 3 hundo for this shaft is money well spent if you are you going for bang for the buck performance improvements. I felt a slight improvement (might be wishful thinking). It is easy to install, and it looks cool after a good polishing. In combination with a new output shaft seal it stopped my leaking issues, but it doesn't cause the cars around you to melt from the improvement in acceleration. If you have $300 to burn, go for it, it certainly doesn't have any negatives other than you'll have 300 less bucks for other mods.

    Bullitt Z

    Year: 2001 Submodel: Bullitt

    Helpful (10) (4)

  • 5/5

    January 12, 2011

    As Advertised

    I recent did the 4.10 gear swap in my '96 Cobra Vert. An had a horrible harmonic vibration after. I was a little skeptical with throwing 300 bucks at a hope fix. but now my vibration is GONE and the engine seems to rev a little more free now. Great product/fast shipping/ good buy.


    Year: 1996 Submodel: GT

    Helpful (5) (1)

  • 5/5

    May 27, 2010

    Eliminated vibration

    Bought this to try and stop the vibration from my 4.10 geared 96 GT at high speed, and it worked amazingly. Car drives much smoother through town and highway is no longer one huge vibration. Not a huge difference performance wise.


    Year: 1996 Submodel: GT

    Helpful (6) (2)

  • 5/5

    Installation Time: Less than 1 Hour

    August 24, 2012

    Product fit on an automatic gt

    Easy to install product lifting from the rear is the way to go gives you better connivence to remove the four bolts. Not to mention you will not lose any transmission fluid in the process. After thats done you just easily pull out the driveshaft and replace with the new. Only backtrack I had was to remove the yoke from the new one and replace it with the old due to it was for the standard transmission and mine is automatic. Other than that pretty simple self-explanatory installation. For sure better throttle response and a quicker run through your RPMs.


    Year: 2004 Submodel: GT Los Fresnos, TX

    Helpful (2) (0)

  • 5/5

    February 24, 2010


    I installed this drive shaft and ive never had such a smooth ride in my car, it feels methodical and so worth the money, not to mention helps the motor up quick,


    Helpful (2) (0)

  • 4/5

    February 11, 2010

    Ford Racing Quality

    It took me 30 min MAX to install this new drive shaft. Its better quality then stock and little bit lighter as well. I dont see difference in performance WHAT SO EVER. Its a good quality drive shaft from FORD RACING. Thanks to AM for Excellent Customer Support.


    Helpful (2) (0)

  • 5/5

    July 30, 2010

    aluminum driveshaf

    Easy installation - After installation - only ran about 2 miles on street - did seem smoother. Took to road course (MAM) did notice nice improvement in engine response and pick up coming out of corners.


    Helpful (3) (1)

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