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

Market Price $333.49 You Save 13% ($43.50)
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  • Item 102122
  • MPN# 88395

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    Features, Video & Details

    • Stage 2 Upgrade for Street/Strip
    • Heavy Duty Friction Material
    • Holds Up to 450 HP
    • SFI Approved
    • Reduced Pedal Effort
    • Double Row Rivet Design Increases Rotational Strength
    • Helix Hub Helps Quiet Gear Chatter
    • Includes Throwout Bearing and Alignment Tool
    • 10 Spline
    • Fits Late 01-04 GT, 99-04 Cobra, 03-04 Mach 1

    Review & Installation Video

    Review & Install Video

    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 with reduced pedal effort that 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.

    Superior Design. RAM HDX Clutch kits are designed to provide increased clamp loads compared to stock for a strong "bite". The included Clutch Disc features a heavy duty friction material with a double row rivet design for added rotational strength and a double dampened helix center hub which helps to eliminate gear rattle.

    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
    • 5-spring Hub Assembly
    • 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
    • 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: Heavy Duty 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)

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    Customer Reviews (10) Write a Review

    Overall Rating 4.7

    out of 5 stars

    Installation Time:Full Day

    Installation Cost:$500-$1000

    • Fit 4.9 4.9
    • Bang For Your Buck 4.5 4.5
    • Grip / Bite 4.8 4.8

    • 5/5

      Installation Time: Full Day

      December 13, 2017

      SGT BLK

      Grate quality product, packing is a little crappie but for sure a way better product than factory clutch!


      Year: 2002 Submodel: GT

      Helpful (1)

    • 5/5

      November 01, 2017

      Pleased so far, still in break in

      The pedal feel on this is lighter than stock feeling but seems to grab well. Still in the break in period so have not got on it yet but seems so far that every day driving will be a snap so if it holds great like it says while driving hard then I say it is a very good clutch for under the 450rwhp mustang


      Year: 2003 Submodel: GT

      Helpful (1)

    • 5/5

      Installation Time: Less than 1 Hour

      October 10, 2017

      A1 Clutch !

      Would recommend anyone this clutch who is looking for better engagement and track times!


      Year: 2004 Submodel: GT

      Helpful (1)

    • 3/5

      Installation Time: Afternoon

      August 22, 2017

      should have stuck with my centerforce

      I have had this clutch installed for almost a year now. Never had a problem with the clutch not grabbing, break in was easy and this clutch does not chatter, pedal effort is minor and a little stiffer than stock. My only complaints with this clutch are the following: Throw out bearing started squeaking and making noise after 90 miles. Have to snug up the firewall adjuster so the throw out bearing is touching the clutch fingers to make the squeak stop. (Do not want to pull the trans again to replace throw out bearing) During high RPM shifts 6500-7000 RPM the clutch pedal tends to stick to the floor until the RPM's come down. I got spanked by a GT because of this the first time I raced on the new clutch :( no fun shifting into second gear and you are just bouncing the rev limiter. If you need a replacement clutch that is for a stock car this will be just fine as long as you use a ford racing throw out bearing.


      Year: 1999 Submodel: Cobra

      Helpful (1)

    • 5/5

      Installation Time: Afternoon

      November 09, 2016

      Great clutch

      Great clucth smooth engagement no catter great clutch pedal feel only down side is arrival time was a bit long due to where im located on the map and where part came from but all in all great product


      Year: 2002 Submodel: GT

      Helpful (2)

    • 4/5

      Installation Time: Shop Install

      May 29, 2015


      Great clutch, smooth, feels great, shifts awesome! After installation, no problems with anything whatsoever.


      Year: 2003 Submodel: GT

      Helpful (2)

    • 5/5

      Installation Time: Afternoon

      May 29, 2015

      great clutch

      Great clutch good pedel feel and good bite. Because of the powder coat clean the holes for the alignment pins on the flywheel.I have 500 miles on this clutch and not a problem yet.


      Year: 2001 Submodel: GT Columbia, SC

      Helpful (2)

    • 5/5

      Installation Time: Shop Install

      Installation Cost: $500-$1000

      May 14, 2015

      A little noisy but doesn't slip

      I purchased this clutch kit and it made my 01 cobra shift much smoother it fits like factory


      Year: 2001 Submodel: Cobra Houston Tx

      Helpful (2)

    • 5/5

      Installation Time: Weekend

      January 06, 2015

      Great Bite

      Installation was a little long due to my MS. But was it worth it. With the quadrant kit, setup was easy. Taking it easy for the 1st 500 miles then I can nail it. Also with the short throw Hurst shifter, its like a new car. I still can't believe the clutch and how it takes hold. Like I said, like at the track, but very streetable. American Muscle has made my 2004 Crimson Red 40th aniversary a new car.


      Year: 2004 Submodel: GT Greenbrier, Tn

      Helpful (2)

    • 5/5

      Installation Time: Shop Install

      Installation Cost: $250-$500

      June 21, 2014

      ram clutch

      Clutch works great holds on my stock 01 cobra only have about 200 miles on it but its been awesome thus far.use with a billet flywheel and quadrant. Together the combo makes about twice the pedal stiffness over stock but it feels great and bites amazing. Zero clutch chatter as well.


      Year: 2001 Submodel: Cobra Tacoma, WA, USA

      Helpful (2)

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