SKU: 81551904435

EXEDY Racing Clutch Carbon-D Clutch Kit (HH04SDMC)

Sale price$859.70 Regular price$955.22
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Ships within 48 hours · Estimated delivery Sep 18 - Sep 23

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Description

EXEDY Racing Clutch Carbon-D Clutch Kit (HH04SDMC)Hyper CARBON D clutches are the next generation a revolutionary Carbon Clutch System. CARBON D was developed to achieve the ultimate goal of comfort and streetability by absorbing noise and vibration emitted from drivetrain components such as the differential, transmission and engine. The CARBON D system is designed to protect the drivetrain by absorbing and dissipating "shock torque". Superior engineering enables this system to posess an ideal clutch

Hyper CARBON-D clutches are the next generation-a revolutionary Carbon Clutch System. CARBON-D was developed to achieve the ultimate goal of comfort and streetability by absorbing noise and vibration emitted from drivetrain components such as the differential, transmission and engine. The CARBON-D system is designed to protect the drivetrain by absorbing and dissipating "shock torque". Superior engineering enables this system to posess an ideal clutch engagement position, increased clamp loads and lower pedal effort, while the unique Carbon fiber friction material allows comfortable half-engaged clutch operation and responsive gear changes.

Notes

  • All referenced torque ratings are measured at the wheels
  • SFI 1.1 Approved - Certified for use in Competitive Motorsports
  • Use with 1991-1996 Style Transmission Input Shaft

Includes:

  • Clutch Cover Assembly
  • CD Assembly
  • Flywheel
  • Cover Bolt SE
  • Flywheel Bolts

EXEDY's forged aluminum pressure plate delivers a higher clamp load than the stock clutch without a significantly higher pedal effort, because the stiffer forged cover allows all of the pedal travel to be utilized to disengage the disc. A stamped steel plate is spongier, taking up some of the pedal travel as it flexes. The stiffer forged cover allows the use of a stiffer diaphragm spring, pivoted differently inside the cover for more mechanical advantage. The increased mechanical advantage lowers pedal pressure, while the lack of lost motion permits normal pedal travel. The bottom line: more torque-holding capacity and great feel at part-engagement. An additional feature of the pressure plate is a series of turbine-like, airflow-enhancing vanes that keep the clutch cooler under extreme operating conditions, which improves durability.

The heaviest components of the clutch system are the clutch cover, plates and flywheel. Low inertia discs allow the transmission to synchronize in a shorter interval of time, eliminating time loss during shift changing while also reducing stress on drivetrain components. The weight of a carbon clutch disc is one third that of a metallic disc.

For most streetable applications, the preferred clutch disc is the cerametallic style with a damper hub. This style of disc will have a consistent feel throughout the day, from the first cold start of the day to a launch from the Christmas Tree after a heat-inducing burnout. The damper hub will help with a smooth launch and improved gearchange feel, as well as eliminate gear rattle moderate speeds. Gear rattle is caused by variations in crankshaft rotational speed, as individual cylinders fire. That in turn makes the gear teeth bounce and rattle against each other as you head on down the road.

A more ambitiously-modified vehicle, used mostly for drag racing, autocrossing or rallying might benefit from the use of a Carbon-D friction disc, Faced with pure carbon-fiber, laid one strand at a time and baked at 3600° to cure, carbon fiber has an interesting characteristic: it's coefficient of friction (COF) gets higher as it gets hotter. Unfortunately, it's inconveniently low when at room temperatures, rising to the same COF range as cerametallic friction material when warmed properly. Used in a street vehicle, its inconsistent takeup may be annoying in a daily driver. Carbon fiber is very long-lived in heavy-duty use, however. Carbon-D friction discs have a spring-dampener hub for easy shifting and quiet gears. Carbon-D is equipped with a new dual stage damper, a low-load stage and rapid-acceleration stage, both of which are individually tuned for each car type.

For a dedicated race or track car, Carbon-R friction is preferred. The lack of a dampener hub may mean a fair amount of harshness, vibration and noise may intrude into the cabin or be felt in the gearshift or clutch pedal. The undampened hub, combined with the lighter weight of the whole assembly may make starting up difficult to do without some initial judder. The advantages in shifting speed and torque capacity are the payoff for this lack of refinement.

Due to the inherent properties of the carbon material, EXEDY suggests the proper way to bring the discs up to operating temperature. The correct method is three sequential five second "slips" of the clutch within 30 seconds at low RPM. This will heat the discs so they will hold the specified torque rating.

Features:

  • Average of 40% increase in clamp load over stock
  • Extra capacity handles street/race car power upgrades
  • Forged assembly is far stiffer than stamped-type
  • Incredible strength means no clamp-load deflection
  • Integrated turbine-like fins enhance airflow, keeping clutch assembly cooler and extending component life
  • Forged Chromoly Flywheel
  • Combination of low weight and high heat capacity
  • Designed for Rally, Drag and hi-performance Street
  • SFI approved for racing
  • EXEDY exclusive friction composition
  • High friction-coefficient material
  • Designed for low wear and high heat resistance
  • Reduced diameter damping disc for reduced inertia
  • Patent Pending disc system
  • Race or extreme street applications
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    Shipping Notes
    • Free Standard Shipping on $100+ Orders to the USA.
    • Except Preorder products are shipped in 48 hours.
    • Delivery to the USA:
    1. Standard Shipping : 3-10 business days
    • If time is of the essence, please consider selecting expedited delivery for faster service.
    Exchange/Return Notes
    • We offer a 30-day return/exchange service after receiving.
    • Final sale items are not eligible for returns or exchanges.
    • To process your return/exchange, please contact us at [email protected]
    • Please click here for more details>>> Return & Exchange Policy
    SKU: 81551904435

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    4.9 ★★★★★
    Based on 15 reviews
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    Ellen W.
    Fort Morgan, US
    ★★★★★ 5
    I am happy with the room divider. It does what I intended.
    Color: Beige, Size: 34" - 3 Panel
    Use a power screwdriver.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 25, 2026
    M
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    Michele Parkinson
    Lowell, US
    ★★★★★ 3
    It’s really pretty decent except for one thing.
    Color: Grey, Size: 34" - 4 Panel, Color: Grey, Size: 34" - 4 Panel
    I bought two of these for my basement and they do look great. They were easy to assemble and I’m happy with them. The problem is that the stitching on the fabric panels are almost the size of a machine basting stitch (which for non sewers means large temporary stitches). Because the panels are tight by design, the stitches had already started to come undone before I could finish assembling everything. Fortunately I can sew and I reinforced all the panels. I had to take the first ones back off the poles to do them but I did the second set before assembling. It’s really not a bad product for the money. It’s quality fabric and the design itself looks great. The stitching looks fine but it’s just not substantial enough for the purpose it is supposed to serve. I can’t imagine why it be sewn so insufficiently. I was able to resolve my issue because I can sew. I wasn’t planning on sewing nor did I really have the time. I could have made it myself but I didn’t want to and that is why I purchased this. I ended up using valuable time. The really unfortunate thing is, I have no other complaints. This is a manufacturing problem.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on February 3, 2023
    M
    Verified Purchase
    Mad Jack
    Grantham, US
    ★★★★★ 5
    Inexpensive walls.
    Color: Grey, Size: 34" - 3 Panel, Color: Grey, Size: 34" - 3 Panel
    We had a hot request for a workstation in the warehouse with some privacy. These have worked great. Easy to assemble. They are lightweight and stable. This was an inexpensive solution that looks professional. Our client loved it.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on August 1, 2025
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    Amber
    Battle Creek, US
    ★★★★★ 1
    Dont wait! Assemble right away! Just in case you need to return it.
    Color: Black, Size: 22" - 4 Panel
    Ok, I like the idea of this but the assembly is frustrating. One side lined up perfectly with the holes however, the small bars that connect the screen to base is not lining up. I think it's do the fabric the screen or divider is made of. It's not stretchy. I brought this months ago and just opened it today. I'm upset and don't even think returning it is possible. If the material was a bit longer or stretchy to give a little room to work with this divider would be great. However, I'm not sure what I can use it for since I'm unable to attach it to the bottom. Beware! Don't wait like me. Tip for the manufacturer. Next time invest in Velcro dividers so the fabric can be adjusted with ease. Literally if I take the screen off the frame aligns perfectly. However, it defeats its purpose of privacy. I might buy some material myself and create a more flexible divider. Or I'll buy Velcro myself and attach to the bottom. I don't know yet.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on December 15, 2025
    A
    Verified Purchase
    Andy Sims
    San Leandro, US
    ★★★★★ 5
    better then expected
    Color: Black
    very easy to put together works perfectly! very stable for the side would buy again!
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 21, 2026

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