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RAM HDX Clutch (Late 01-04 GT; 99-04 Cobra; 03-04 Mach 1)

Market Price $332.35 You Save 13% ($43.35)
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  • Item 34001
  • MPN# 88951HDX

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    Features & Details

    • Stage 1 Upgrade for Street/Strip
    • Holds Up to 450 HP
    • SFI Approved
    • Chatter Free Operation
    • Includes Throwout Bearing & Tool
    • 10 Spline
    • Fits Late 01-04 GT, 99-04 Cobra, 03-04 Mach 1
    Performance Upgrade. If you are looking for a clutch that will handle the added power of your modded 'Stang but can still be run on your daily driver, RAM HDX clutches are for you. They balance high performance features like higher clamp loads with great driveability, resulting in a clutch you can drive every day without getting a leg workout on every shift.

    Daily Driver Friendly. Designed for 'Stangs with the type of bolt-on mods and mild power enhancements that make driving your Pony so much fun, they're still street-friendly and are grippy enough for strip use.

    200 Series Organic Disc. RAM HDX Clutch kits are designed to provide increased clamp loads compared to stock for a strong "bite," paired with RAM's 200 series organic clutch for street friendliness. The 200 series disc is a heavy duty organic facing material with an eight spring center hub for excellent shock absorption and engagement.

    Application. This RAM HDX kit is designed for the Late 2001-2004 GT, 1999-2004 Cobra, 2001 Bullitt, and 2003-2004 Mach 1 with the T-45, TR-3650, or T-56 transmission with a 10 spline input shaft.

    • Fits: 1999 Cobra with a T-45
    • Fits: 2000 Cobra R with a T-56
    • Fits: 2001 Cobra with a TR3650
    • Fits: 2003-2004 Cobra with a T-56
    • Fits: 2003-2004 Mach 1 with a TR3650
    • Fits: 2001 Bullitt with a T-45 or TR3650
    • Fits: Late 2001-2004 GT with a T-45 or TR3650
    • Disc Dimensions: 11" X 10T X 1-1/16"
    • 10 Spline
    • Horse Power Rating: 450
    • Includes: Pressure plate, clutch disc, release bearing, and alignment tool

    Technical Note. Because Ford made changes to the Mustang GT and Bullitt in mid year of 2001, be sure to check and see what kind of transmission type you have before ordering.

    Wondering what kind of transmission you have? Click Here to find out!

    Fitment: 1999 2001 2002 2003 2004 Details

    What's in the Box
    Hardware included:
    • Pressure Plate
    • Clutch Disc
    • Throwout Bearing
    • Alignment Key
    Installation Info
    Tech Specs

    Clutch Kit Specifications
    Year/Model: Mid 01-04 GT, 99-04 Cobra, 03-04 MACH1 HP/Torque Rating @ Flywheel: 450 HP
    Manufacturer: RAM Clutches Disc Dimensions:

    11" x 10" x 1-1/16"

    Transmission Type: Mid-01-04 GT: T-45 or TR3650
    01 Bullitt: T-45 or TR3650
    03-04 Cobra: T-56
    03-04 MACH1: TR3650
    SFI Approved: Yes
    Material: Organic Hardware Included:

    Pressure Plate, Clutch Disc, Throwout Bearing, and Alignment Key

    Will it fit my Mustang?
    • Bullitt - 01
    • Cobra - 99, 01, 03, 04
    • GT - 01, 02, 03, 04
    • Mach 1 - 03, 04

    Fits 2001 Bullitt, 2001-2004 GT, 1999-2004 Cobra, and 2003-2004 Mach 1 (with the T-45, TR-3650, or T-56 transmission)

    Customer Photos (5) Submit Your Photo

    View All 5 Photos

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    1 Questions / 2 Answers

    Ask a Question

    flywheel? can I use my stock flywheel if I get it resurfaced?


    • Yes, but only if the thickness is acceptable. It is better to use whatever manufactures brand flywheel to match the clutch however.


    Show 1 more answer Helpful (0)

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    Customer Reviews (47) Write a Review

    Overall Rating 4.2

    out of 5 stars

    Installation Time:Full Day

    Installation Cost:$250-$500

    • Fit 4.62963 4.6
    • Bang For Your Buck 4.076923 4.1
    • Grip / Bite 4.592593 4.6

    • 1/5

      February 25, 2011


      I had this clutch professionally installed. It had excessive chatter, the shop and i both drove it a couple times no more than 20 miles altogether. We decided to pull it back out and noticed a defect on the pressure plate.I called Ram and they do not seem to want to fix the problem. I will never buy a ram product again


      Year: 2001 Submodel: GT

      Helpful (15)

    • 5/5

      April 14, 2010

      Smooth Clutch

      Included everything but the pilot bearing, but was a painless install and the clutch performs much better than the original stock one. I've only been able to put on a couple hundred easy miles so far because I am breaking in the rebuilt transmission. Great performance, Good Price and like always very fast shipping! Thanks AM!

      Tucker Cox

      Helpful (12)

    • 1/5

      December 17, 2010

      Go with another clutch

      Very surprised at the positive reviews on this clutch. While it may hold the power you are looking for, this clutch is the stiffest clutch I have ever felt by far. Huge pain driving in any kind of traffic. I had this clutch professionally installed with the adjuster kit (also a bad decision). Be careful when choosing an aftermarket clutch, and know that no matter what you go with, it will never feel the same as your stock clutch.


      Helpful (11)

    • 5/5

      March 08, 2010

      Great Clutch

      Simply put Ford wanted $600.00 for their name clutch and close to $400.00 for a generic clutch from a local supplier. This clutch has a better feel than when the car was new also purchased the clutch adjuster kit . Also had King Cobra Clutch. This is a keeper.

      William Shaheen

      Helpful (11)

    • 5/5

      December 06, 2010

      ram hdx`

      excellent clutch choice for over 400hp could not be happier with its performance in launching unfortunately it is NOT as friendly on the street as made out to be . it always feels ready to "jump" with a harder pedal feel though that is great when racing not ideal for traffic . having owned multiple mustangs from at least 4 generations (most manual) i recommend it, but be it known its fairly hard


      Helpful (6)

    • 5/5

      August 28, 2010


      Great clutch at a good price. Feels very similar to stock clutch. I haven't had my car very long so it pretty close to stock still so no worries about needing heavy duty clutch. I do a lot of in town driving and didn't want to have a super hard clutch to deal with. Everything lined up perfectly. Very happy customer.


      Helpful (6)

    • 5/5

      April 15, 2011

      Great Product, Great Customer Service

      Great product, feels very smooth when shifting, the clutch feels alot stiffer than the stock clutch...only had it for a couple days though, so maybe it will get softer...American Muscle great customer service, I had to return two because I bought the wrong clutch for my mystang...i bought the (mid 01 mustang ram clutch) I needed the (late 01 ram clutch) they let me return no problem...second, I got my (late 01 clutch) mechanic says its defective...idk avout that but I returned it no charge, n they sent me a new one...


      Year: 2001 Submodel: GT

      Helpful (4)

    • 1/5

      Installation Time: Shop Install

      January 27, 2012

      Heavy Clutch

      I wanted a heavy duty clutch for my '04 GT. The Ram HDX product was certainly heavy duty, but it came with unacceptably heavy pedal pressure to operate it! In all other respects the clutch was excellent, and probably a good choice for some form of racing, but too heavy for the street. I think the ad copy should reflect this fact. I replaced the clutch with an OEM unit, and the Ram HDX clutch is sitting in its box at my place with 300 miles on it. It is my understanding that this did not fit your return guidelines.


      Year: 2004 Submodel: GT Northampton, MA

      Helpful (3)

      • Response from AmericanMuscle

        Yes, unfortunately once a clutch is opened / installed, it can not be returned. Hearing you describe this clutch as having a heavy pedal, I would recommend installing this, or any aftermarket clutch, along with a new quadrant, adjustable cable and firewall adjuster so that you can obtain the appropriate clutch engagement as well as pedal feel, which should not be stiff. Aftermarket clutches should also be installed with a matching flywheel of the same manufacturer so that the flywheel and clutch will engage properly and have the correct clearances. I am sorry to hear you had a problem with your clutch initially, but I hope these tips will help if you wish to try again next time your clutch needs replacing. Please feel free to contact our customer service department for any additional assistance or tips.

        Lisa, Content Specialist

    • 5/5

      February 26, 2011

      stage 2 clutch

      Very nice upgrade clutch disc and steel flywheel and the clutch adjuster kit with flywheel adjuster its great for a full bolt on gt with a sct tune or a dyno have to do it right and take your time and follow toque specs...I did it myself and I have no chatter it a little heavy but when you breal it in it feels softer and it pulls while shifting through gears..I would reccomend a ram hdx cluth for a full bolt on gt and or a gt with upgraded top end

      tommy G

      Year: 2001 Submodel: GT

      Helpful (3)

    • 5/5

      May 24, 2010

      Nice Clutch

      Clutch works great feels a little softer than stock one, so far I've only driven it a couple of easy miles waiting to break it in, but feels real nice so far, great product looks a little pink instead of red but nice, very fast sipping great


      Helpful (3)

    • 5/5

      May 11, 2010

      Good product

      The clutch works perfectly. Just make sure you give it a proper break in before you go roasting any tires. Drive for about 500 miles then you can go have some fun. No slipping and came with everything I needed.

      Peyton H.

      Helpful (3)

    • 4/5

      February 21, 2010

      ram hdx clutch

      though i only have100 miles on the new clutch so far it is great. the pedal pressure is not to firm. it is not overly grabby no chatter so far i was a little disappointed that it was a reman. pressure plate but all around i am please.

      ryan ketchum

      Helpful (3)

    • 1/5

      Installation Time: Afternoon

      November 17, 2012

      Don't waste your time.

      So I installed this kit about 9 months ago or 1800 miles ago. My stang is the daily driver but my work is 7 miles away. I noticed a slight chatter 4 months into having this clutch and instantly knew it was either the throw out bearing or maybe the control arm. Anyways, the chatter got worse and worse and I eventually got around to dropping the transmission again. What I found was the throw out bearing had been completely torn in half and there was metal everywhere. I highly recommend anybody to stay away from any RAM products. After 1800 miles this is completely unacceptable and if I hadn't waited so long I would be getting my money back. I've submitted pictures to the customer photos section so you can see what your clutch will look like 2k miles in.


      Year: 2002 Submodel: GT

      Helpful (2)

    • 1/5

      Installation Time: Shop Install

      Installation Cost: $500-$1000

      August 09, 2012

      i am not recommended that

      I bought this item. looking for all of those reveals and I can't believe my results.. really bad choice I really disappointed with the product... I drove almost 2000 miles and still has a lot of chater.. I am very frustrated almost $800 through and the garbage


      Year: 2002 Submodel: GT Dumont, NJ, USA

      Helpful (2)

    • 5/5

      Installation Time: Shop Install

      Installation Cost: $250-$500

      May 16, 2012

      Well worth the money!!!

      I ordered and received this clutch shortly after the order was placed (3 days, I believe). I did a lot of research on this clutch. I am impressed by the fit (my mechanic said install was a breeze, excepting some exhaust collector bolts that needed drilled). The clutch feels stiffer then stock (about 15-20%). It has just a touch of chatter when engaging from a stop, but it seems to be lessening with use. I STRONGLY Recommend replacing the stock pilot bearing (a roller bearing) with a bushing (solid bearing). My stock clutch had 102K on it, but still had plenty of life HOWEVER, when removed the stock pilot bearing was in pieces and had started to tear up the input shaft. So do yourself a favor and have a bushing put in (it'll prevent you from having to replace the input shaft which equals big money in labor and parts). Good luck and have fun!


      Year: 2003 Submodel: GT Newark, OH, USA

      Helpful (2)

    • 5/5

      Installation Time: Weekend

      November 16, 2011

      Great fitment, excellent build quality, pedal not too stiff.

      i recently changed my clutch, flywheel, throwout bearing, and pilot bearing. I have about 80 miles on this Ram HDX clutch and I like what I have seen (or felt) so far. Seems to grab good, although I have not really got on it yet. The pedal is firm and solid but not weak like a Honda civic clutch yet no where near a stiff race clutch. I like the feel of it. I have seen some people complain of chatter...I hear no chatter and only feel some chatter if I don't give it enough gas when starting out. I have daily driven some pretty serious race clutches before and this clutch engages like a dream for me. Its pretty close to the perfect street clutch. It is slightly stiffer than stock so don't worry about it having that heavy pedal. I would most definitely recommend this clutch to cannot beat the price...especially for the quality you get!


      Year: 2004 Submodel: Mach 1 Perry, Ga

      Helpful (2)

    • 5/5

      July 03, 2011

      Ram Clutch

      Just slapped the clutch in today, Test drove and felt AMAZING!!! No Chatter but pedal is pretty rough and hard. NOTE: Clutch Cable was too short, Your going to have to adjust the Quad. under Steering Wheel against firewall to fit [ Two Man Job ]


      Year: 2001 Submodel: GT

      Helpful (2)

    • 5/5

      April 06, 2011

      No dowel pins or bolts, but otherwise so far so good

      NOTE: This kit does NOT include dowel pins and bolts. I installed some from FRPP. Overall I like the clutch. I am still in the break-in period, so time will tell. The install went well and everything is running great so far.


      Year: 2002 Submodel: GT

      Helpful (2)

    • 5/5

      February 21, 2011


      So i installed the clutch friday and I have had no problems out of it so far. It does have a ready to launch feel acts like its ready to jump off the line every time.. I love it but like one guy said before me not great for traffic the clutch is much stiffer than the stock but i dont mind it all. Overall This is a great clutch for the money!

      Blake Tant

      Helpful (2)

    • 5/5

      Installation Time: Full Day

      May 05, 2014

      Best clutch I have tried

      I've ran numerous clutch combos and this is by far my favorite. I feel like it has a really soft pedal feel, great release for hard shifts, and its still capable of holding the power for abuse. It isn't recommended for slicks, but I cut 1.6 short times on slicks with this clutch. I just put this clutch back on my 450rwhp S/C Mach 1 and its holding up great .


      Year: 2004 Submodel: Mach 1 NM

      Helpful (1)

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