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Spec Stage 2 Kevlar Clutch Kit - 10 Spline (05-June 07 V6)

Item 60021
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    Features & Details

    • Ideal Upgrade for Boosted Mustangs
    • 470 Ft-lbs. of Torque @ Flywheel
    • Good Driveability
    • Kevlar Based Disc
    • Includes Alignment Tool
    • Fits 2005 to June 6th 2007 V6 Mustangs
    Ideal Upgrade. If you're adding forced induction to your S197 Mustang V6, a SPEC Stage 2 Clutch is the ideal upgrade that will deliver the holding power you need without sacrificing too much driveability. A SPEC Stage 2 Clutch will handle up to 470 ft-lbs of torque without the "on-off" feel of true race clutches, making this it a perfect choice for moderately modified street and strip 'Stangs.

    Perfect for Weekend Warriors. The SPEC Stage 2 Clutches are designed for all mild to moderately modified naturally aspirated and power added engines, but can be used with stock power levels without sacrificing driveability or excessive wear characteristics. They are the perfect balance of driveability and durability that makes them a great choice for Mustangs that see a lot of time on the street as well as the strip and track.

    Premium Quality.
    The SPEC Stage 2 Clutch combines superior holding power with the driveability you want by using premium materials. Each Stage 2 Clutch includes a high clamp pressure plate, pure Kevlar friction material and high torque sprung hub and disc assembly. Like with all SPEC Clutches, an alignment tool is included for easy installation.

    Value, Performance, Durability. When looking for a new clutch, trust Spec for the best in value and performance.

    Application. This SPEC Clutch is designed for V6 Mustangs made between 2005 and June 6th 2007 with the T-5 transmission. Ford made some changes in the V6 during the 2007 production year, so if you're not sure which SPEC Clutch you need, please contact us.

    Technical Notes:

    • The 2005-2010 Mustang uses a concentric slave cylinder instead of a conventional throwout bearing.
    • Therefore this clutch kit will not include a throwout bearing.
    • V6's built from 2005 to December 2006 will use Spec flywheel part# SF66A or can reuse the factory flywheel with the SF66 Clutch.
    • V6's built from January 2007 to June 6th 2007 must use Spec flywheel part# SF66A with the SF66 Clutch.
    • V6's built from June 6th 2007 to present must use Spec flywheel part# SF66A-2 with the SF66 Clutch.

    Fitment: 2005 2006 2007 Details

    MPN# SF662

    CA Residents: WARNING: Cancer and Reproductive Harm -

    What's in the Box
    Hardware included:
    • High clamp pressure plate
    • Pure Kevlar friction material and high torque sprung hub and disc assembly
    • Tool kit
    Installation Info
    Tech Specs

    Clutch Kit Specifications
    Year/Model: 2005 - June 6th 2007 V6 HP/Torque Rating @ Flywheel: 470 ft-lbs
    Manufacturer: SPEC Disc Dimensions:

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

    Transmission Type: T-5 SFI Approved: Yes
    Material: Kevlar Hardware Included:

    Pressure Plate, Clutch Disc, Alignment Key

    Will it fit my Mustang?

      Customer Photos (5) Submit Your Photo

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        Questions & Answers (2)

        2 Top Rated Questions

        Clutch fork and throw out bearing Ive been reading on clutches since my 07 is at about 73,000 miles and the clutch is throwing a light and slipping. what about a clutch fork or did the 07 not have one to start? Also how can you tell if the old throw out bearing is bad and needs replaced?

        • The 2005+ Mustangs don't have a clutch fork so nothing to worry about there. Also, the 05+ Mustangs have a Hydraulic Throwout Bearing/Slave Cylinder, which can withstand a fairly heavy clutch as a stock unit. That being said though, we've found that Stage 2 and up or Dual Disc Clutches tend to have theirs go out often. If you wanted to install this Spec Stage 2 on your 2007, it would be a great idea to install a new Throwout Bearing/Slave Cylinder at the same time. Hope this helps to answer your questions!

        Helpful (0) Show 2 more answers

        how do i order thowout bearing Why is there no thowout bearing listed for this kit, and how do I know what I need to get. I have look at many other sites and I am not sure wich is the right one. The Spec stage2 clutch will work in my 05 V6 Mustang, how about the flywheel, can I use the same one or should I change it out. Provided there is no wear or damage to it.

        • For the 2005+ Mustangs, they have a hydraulic throwout bearing. There isn't one listed in this kit because it's not included. Unless there is something wrong with your stock throwout bearing, there would be no need to upgrade that as well. With this Spec Stage 2 Clutch, you would want to get the matching flywheel for proper installation (see the link below). The Spec clutch has different disc tolerances than the stock clutch and the Spec flywheel will ensure proper engagement. If you have any other questions or concerns, please give us a call!

        Helpful (0) Show 1 more answer
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          Customer Reviews (15) Write a Review

          Overall Rating 4.1

          out of 5 stars

          Installation Time:Full Day

          Installation Cost:$100-$250

          • Fit 4.363636 4.4
          • Bang For Your Buck 3.181818 3.2
          • Grip / Bite 4.454545 4.5

          • 3/5

            Installation Time: Afternoon

            June 24, 2019

            Great clutch

            I'm sure it's a great clutch based on other reviews, but mechanic says I need the spec flywheel because mine doesn't fit. Unfortunately, I will have to return due to budget issues. Quality looks amazing on both clutch and plate that comes with it. Wish i would have tested it.


            Year: 2005 Submodel: V6

            Helpful (0)

          • 5/5

            Installation Time: Full Day

            December 28, 2017

            After a few years and thousands of miles...

            As the title says, I've had this clutch in my car for a few years and about 30k miles and so far so good!!! I still love it, it grabs and it goes no bones about it. As some others have stated you will NEED a SPEC flywheel for this clutch, and those worried about the "transmission noise" after putting in the lightweight flywheel, not to worry its just a little bit of clutch chatter due to the lighter weight of the flywheel in low RPM's. Installation cost was free because I did it myself, while you're in there you might as well change your throwout bearing. I bought mine here on AM, but I would recommend using OE because the aftermarket ones make a rattling noise too unless you use OEM FoMoCo parts. I'm guessing something to do with tolerances maybe, not sure. Anyways I digress, If you're looking for a new clutch and you have a few bolt on mods, look no further than a SPEC clutch.


            Year: 2006 Submodel: V6

            Helpful (3)

          • 5/5

            Installation Time: Shop Install

            Installation Cost: $100-$250

            November 26, 2017

            Great clutch

            This clutch mad a big difference in acceleration. Smoother shifts and faster take offs. I can outrun ricer boy cars easily now. If you do buy this clutch, I’d recommend fully that you by the spec aluminum flywheel with this package; they both work excellent together.


            Year: 2006 Submodel: V6

            Helpful (4)

          • 5/5

            Installation Time: Afternoon

            January 13, 2017


            Works Great.. Clutch holds what my V6 Throws at it. Good upgrade for the replacement and good for future added horsepower


            Year: 2006 Submodel: V6

            Helpful (5)

          • 1/5

            April 21, 2016

            Unbelievably unsatisfied

            Bought this clutch about 8 months ago, replaced OE flywheel, replaced hydrolic throwout bearing. I have basic mods and only bought the stage 2 because i was sure it would last longer and work better. Clutch worked great for about 6 months then started slipping again! None of these parts have seen 10k miles. Same mechanic who did the install has driven and looked at it and said the clutch is definitely the problem. Called Spec today, they said all they can do is have me take pictures of the clutch (out of the car!) and recommend my next step, because there **120 day warranty** had ran it's course. So now they want me to drop another 500 plus install?? Unreal. Rude customer service as well. Don't buy anything from this company


            Year: 2007 Submodel: V6

            Helpful (6)

          • 1/5

            Installation Time: Full Day

            March 27, 2014

            Failed after 15000 Miles.

            The clutch and accompanying spec flywheel were installed without incident. It ran fine (although there was no real improvement in performance over the factory clutch). It then completely failed after 15000 miles of operation. My car is just a v6 so I don't hot dog the clutch and never chirp the tires. I would I would recommend that no one purchase this product.


            Year: 2008 Submodel: V6

            Helpful (6)

          • 5/5

            Installation Time: Afternoon

            February 07, 2014

            spec stage ll clutch

            installed this clutch with aluminum flywheel.. every thing went smoothly..engine does revs up faster clutch grabs on the floor.. but gets it done


            Year: 2006 Submodel: V6 Punta Gorda, FL, USA

            Helpful (4)

          • 5/5

            Installation Time: Afternoon

            October 30, 2012

            Great feel

            Clutch has great feel, holds well. No negatives. Don't worry about it being harder to disengage.


            Year: 2006 Submodel: V6 Atco, NJ

            Helpful (4)

          • 5/5

            Installation Time: Afternoon

            April 27, 2012

            Spec stage 2 clutch

            I have a black 07 v6 4.0L standard mustang that I put a spec stage 2 clutch sf622 and spec aluminum fly wheel sf66a. This clutch is great but make sure to read the fine print on fitment. You have to have a spec flywheel for this clutch to work. I put it in with the stock fly wheel and 1000 miles later had to replace it and I talked to spec and they told me I needed one of there fly wheels so put both of them back in and now it grips great! But at an idle in neutral it has a slight grumble coming from the trans. The clutch and fly wheel along with a cold air intake and I can keep up with the 2012 v6. I am building up to put a supercharger on in and get some real power.


            Year: 2007 Submodel: V6 DFW, Tx

            Helpful (6)

          • 4/5

            Installation Time: Shop Install

            January 10, 2012

            great for bolt-ons

            great grip. Has lasted quite well and still grabs on tight. Would recommend if you want to buy from AM. Highly recommend over stage I. With any new clutch, when first driving after installation, it is VERY touchy. Looks like a quality clutch from the box and is still proving itself.


            Year: 2006 Submodel: V6 Hays, KS

            Helpful (3)

          • 4/5

            Installation Time: Afternoon

            December 08, 2011

            Good Grip!!!!

            Great product! One of the best clutches i've put it yet. A little time consuming as all clutches but definately worth it. Has great grip/bite to it which allows you to smoke those rice rockets...AGAIN. Would WARN you though it is a little touchy at first before breaking it in and the price is a bit high but you'll have complete satisfaction. Definately recommend it for all V6 Mustang Owners.


            Year: 2006 Submodel: V6 Corona, CA

            Helpful (11)

          • 5/5

            June 04, 2011


            Love this clutch, it feels way better than stock when driven. I reused the stock flywheel but got it machined and it works great. Easy to install if you know what you are doing. I did it in my garage on jack stands. Overall great product.

            charlie w

            Year: 2007 Submodel: V6

            Helpful (4)

          • 5/5

            October 14, 2010

            all grab all go!

            if your looking for serious grip, this is what your looking for! came with everything in the box, bolted right in with included allignment tool, it has less feathering than an oem clutch so you may need to get used to it at first, but after 10 minutes, youl be ready for the biggest hill and the guy behind you!. throwing down 500+ hp through my v6, and its holding up better than expected! clutch feel is like stock! buy this one!


            Helpful (7)

          • 4/5

            July 16, 2009


            Its a awsome clutch grabs on right, has had a very long life spand


            Helpful (7)

          • 5/5

            May 10, 2009

            May be over kill

            this clutch is AWSOME! on my moderately modified 05 V6. its quite intence. for STOCK engines stage 1 should be looked in to. but for ones with bolt ons, this is great for the EXPERIANCED clutch worker, no feathering here! instalation took me a day.


            Year: 2005 Submodel: V6

            Helpful (6)

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