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Motive Gear Performance Plus Ring Gear and Pinion Kit - 4.10 Gears (05-10 V6)

Market Price $257.99 You Save 12% ($30.51)
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  • Item 21101G05

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    Features & Details

    • Superior Quality
    • CNC-Cut from 8620 Gear Steel
    • 4.10 Gear Ratio
    • 7.5" Ring Gear Diameter
    • For Street or Track Use
    • Fits 2005-2010 V6 Mustangs
    Improve Performance. Wake up your V6-powered pony for faster acceleration off the line with a set of 4.10 Motive Performance Plus gears. A steeper set of gears will get you into your power band faster for faster launches and more punch off the line.

    Superior Construction. These Motive ring and pinon gears are CNC cut from high grade 8620 gear steel, and factory lapped for precision fit. Each set is hardness tested prior to leaving the factory to ensure the highest quality.

    Recommended Upgrade. Changing the rear axle gear ratio will throw off the calibration of your Mustangs speedometer, but a Ford Racing Speedometer Recalibration Tool is an inexpensive way to fix this issue.

    Application. This Motive Performance Plus Ring and Pinion Gear set will fit all 2005 to 2010 V6 Ford Mustangs equipped with a 7.5" rear end. A master bearing kit is recommended by most installers, especially on high mileage vehicles, see drop down option above.

    Technical Note. Installation costs will vary, but a good rule of thumb is between $250 and $300. Be sure to work with a reliable shop that you trust for installations.

    Fitment: 2005 2006 2007 2008 2009 2010 Details

    MPN# F7.5-410

    CA Residents: WARNING: Cancer and Reproductive Harm -

    What's in the Box
    • (1) Ring gear
    • (1) Pinion gear
    Installation Info
    Tech Specs
    Will it fit my Mustang?

      Customer Photos (1) Submit Your Photo

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        Questions & Answers (9)

        5 Top Rated Questions

        If I want to put these in my 2010 V6 and I'm already running a bama custom tune, do I still need a recalibration tool or will going through bama for a new tune solve that issue?

        • BAMA will be able to tune for these gears when installed.

        Helpful (1)

        Will this make 20-40 roll race times slower ? I know launch time from 0-60 is vey much improved but i havent seen many post about roll races.

        • Hi, I do not recommend using these Motive Performance Plus 4.10 Gears in a roll race because you will run out of gear pretty fast, I suggest using Motive Performance Plus 3.73 Gears Item# 21107G05 using 3.73s your power band will be longer. Here is the link

        Helpful (1)

        Will the 4.10 gears work on the stock v6 diff? I was wondering of the 4.10 gears would fit with the stock 2007 v6 diff or would i have to get a LSD?

        • yes it should work fine. but go ahead and spend a little extra to get the diff rebuild kit. it is deffently wourth your while.

        Helpful (1) Show 1 more answer

        I have a 2010 V6 of course. And was wondering is this part all I need? No kit or limited slip differential?

        • In addition to this Motive Performance Plus 4.10 Gears, we would highly recommend a few items. They are not technically required, but to avoid any issues we would recommend these items below: The Motive Rear End Installation and Bearing Kit - item 21202 The Ford Performance Friction Modifier - Item 50377 The Royal Purple Max Gear 75w90 Gear Oil - Item 45003

        Helpful (0)

        I'd like to know the main difference between these 4.10 and the 3.73 gears for a 2010 v6. Which Are recommended more ?

        • The higher the gear ratio, the quicker your Mustang will reach the top end of each gear. With that being said, you also lose out on your top speed the higher the gear ratio for that same reason. So, a 4.10 will likely put more stress on your Mustang relative to the 3.73, but of course you'll get a quicker 0-60 with the 4.10s. Now, we suggest that if you have a manual and drive on the highway or similar driving, you may be better off with a 3.73. With an automatic, the overdrive feature allows less issue of stress to the engine so you can get away with 4.10s regardless if you are driving on the highway.

        Helpful (0)
        Post Your Question
        4 More Questions
        How can i determine if these will fit my car or not? 1 answer
        Whats better the 4.10 or 3.73 Gears? 2 answers
        Will these gears make you really slow at high speeds? Also, will thier be mayor difference in fuel economy while highway driving? Im debating whether to go with these gears, or 3.73s I want the acceleration that the 4.10 guys talk about, but not if i have to be paying for it at the gas pump every week. 1 answer
        Do these work in an automatic? 3 answers

          Customer Reviews (34) Write a Review

          Overall Rating 4.7

          out of 5 stars

          Installation Time:Weekend

          Installation Cost:$250-$500

          • Performance Gain 4.909091 4.9
          • Fit 5 5

          • 5/5

            Installation Time: Full Day

            March 12, 2018

            Motive 4.10 gears

            I purchased these to give my mustang a little more umph. I love them especially when I am able to put my foot on it, it has a lot more get up and go that's for sure. Very nice product. The only issue is there is a slight gear whine when decelerating but that's the only issue and I'm sure after breaking them in it will go away. Otherwise a great buy, great product. Thanks AM


            Year: 2005 Submodel: V6

            Helpful (3)

          • 5/5

            Installation Time: Shop Install

            Installation Cost: $250-$500

            September 15, 2017

            Jumps straight into the power band.

            It is a great performance enhancement that I'm glad I undertook. It's like a whole new machine. My baby jumps up and goes with the press of the pedal. You won't be disappointed with this if ya throw in a BAMA tune to get it all tied into a nice li'l package. Installed this along with the Ukon LSD!


            Year: 2008 Submodel: V6

            Helpful (3)

          • 5/5

            Installation Time: Shop Install

            Installation Cost: $500-$1000

            May 10, 2017

            Great for acceleration but maybe too much for me

            Great gears. Shop took about a whole day to install these. About 5-10 hours and it cost me roughly $550. The acceleration gain is highly noticeable and it completely kicks up with my Vortech V-3 Si Supercharger. I just got it installed so no issues yet but the only issue that I care about is gas mileage at highway speeds. 60-80mph and I'm up at the 3k rpms and my gas is going. If anyone is a highway cruiser then I would definitely take it into consideration of looking into the 3.73 gears other than that I'm pretty satisfied! Also it will throw off your speedometer but that's to be expected.


            Year: 2008 Submodel: V6

            Helpful (3)

          • 5/5

            July 29, 2016

            Insane tourqe

            Along with my supercharger this part is the bees knees 10/10 I dont hear a whine from the gears yet


            Year: 2009 Submodel: V6

            Helpful (3)

          • 5/5

            July 09, 2016


            When I First Started to upgrade my Car 2010 mustang v6. I Ask What Can I Do To Upgrade My Acce. My BestFriend Recommened me Gears. So I Came Here And Got These And Let Me Tell You Something. I Was Impress With How Much Acce i get in my first 3 gears. Best Experiance Ever. But Thiers One Down Side. These will Give You a Little Less Top Speed on Your Car. But Other That I Loved It. I Bought These Gears with along the Bearing Kit And 2q of Royal purple.


            Year: 2010 Submodel: V6

            Helpful (6)

          • 5/5

            Installation Time: Weekend

            June 17, 2016


            It seems the mods that have the biggest difference are power adders and gears. I ditched the freeway 3.31 gears for the 4.10's and I'm not disappointed. When combined with my nitrous, turbo, and isopropyl injection, it packs a heck of a punch.


            Year: 2006 Submodel: V6

            Helpful (4)

          • 5/5

            Installation Time: Shop Install

            Installation Cost: $100-$250

            March 05, 2016

            4.10s make a huge difference

            My pony pulls real hard now I definitely recommend these gears to anyone wanting to have a seat pinning experience on a V6 I didn't have enough cash for a posi unit but my stang still runs like a champ (Best man for differential work in the Rio Grande Valley is Johnny Gears)


            Year: 2006 Submodel: V6

            Helpful (6)

          • 5/5

            Installation Time: Shop Install

            February 23, 2012

            Gears are the way to go

            I had these gears installed along with a Ford Racing T-Lok. I'm still in my break in period, but the difference between these 4.10's and my stock 3.31's is really noticeable. i really get put back into my seat when i jump on it. Best mod i have done so far with the T-Lok.


            Year: 2010 Submodel: V6 Butler, PA

            Helpful (3)

          • 5/5

            Installation Time: Full Day

            February 23, 2012

            Motive Gears Are Great!!

            Got these gears along with the installation kit. Notice a major difference immediately. Just be sure to get a professional shop to install. Mine were installed by Competition Auto. Slight whine on deceleration but it's barely noticeable. Thanks AM


            Year: 2010 Submodel: V6 Fayetteville NC

            Helpful (3)

          • 4/5

            Installation Time: Shop Install

            January 27, 2012

            Great, but one downside.

            This is a great product overall. I do beleave that this deffentally gives you the best bang for your buck. I had these installs by a professional in the business for 59 years. I brought these to him and he he sai that ones I get over the speed of 45 they can get noisy. I had them installed anyways and realized that he wasn't lying. One you hit about 45-50 you can hear It. It sounds like a l-39 jet starting to spool up for takeoff (just not as loud. If you have an exhaust system on your car you shouldn't h e anythig to worry about, it will mask most of it. Great product over all though. Unless you are bothered by the little thing in you car you should go with the ford racing 4.10 gears instead. P.S.


            Year: 2006 Submodel: V6 Daytona Beach, FL

            Helpful (3)

          • 5/5

            Installation Time: Shop Install

            December 28, 2011

            MUST BUY

            This is a must buy for your v6 mustang. Got these installed from mustang magic in longisland ny and I still can't stop smiling. You can feel the difference in aceleration drastically. I recommend anybody to buy this to really wake up your mustang.


            Year: 2005 Submodel: V6 New York

            Helpful (2)

          • 5/5

            Installation Time: Weekend

            October 31, 2011

            Awesome times ten!

            I can't believe that this wasn't the absolute first thing I did to my v6. Although the installation was a nightmare (nothing against American Muscle's parts, it was all on our end). One hint is either have all and I mean ALL the tools required to do the install or it is gonna stretch the process out for days. This product was awesome though, everything was good and hearty, no cheap parts here. I also recommend ordering with the bearing kit just because it is easier to replace than be careful with the ones you have. I think the only thing that could have helped this process along was to have an installation manual, there was a lot of searching and guessing on what to do. Gears 1st SHORT but pulls hard 2nd pulls like first, I can now squeal my tires in second. 3rd awesome at slaughtering in town traffic 4th feels like third 5th feels like you're in fourth, but runs a little high on the rpms at highway speeds, that was to be anticipated though. Overall I give this a five/five and I'll never go back to stock!


            Year: 2005 Submodel: V6 Wichita, KS

            Helpful (4)

          • 5/5

            Installation Time: Afternoon

            October 06, 2011

            AWESOME performance...HUGE SMILE!!!

            I myself would wonder what performance rear gears would bring and all I can say is WOW! I was amazed with the performance and differnence it brought. Along with Diablo 93 tune, Flowmaster exhaust Ford T-Lok, and AFE CAI, this performance is a MUST and will not disappoint you. I highly recommend this product. It brought a huge smile on my face (as others have said) and I'm sure it will add a smile to yours..Thank you American Muscle for the great product, quality, shipping and savings!!! Overall, it really wakes up your car and should be one of the first performance mod.


            Year: 2008 Submodel: V6 Laredo, TX

            Helpful (9)

          • 5/5

            April 11, 2011

            4.10 gears v6

            These gears are really fun.... i can spin the tires 1st through 2nd gear now with my 295/45-18 nitto nt05's, only downside is highway rpm's


            Year: 2007 Submodel: V6

            Helpful (4)

          • 1/5

            October 01, 2010

            Absolutely terrible

            took these to a shop to get professionally installed and they said the pinion thread was not right so they cannot tighten it. Probably going to have to return them and buy Ford Racing gears. Car is ripped apart right now and wont be able to drive it until I get something to put in. DO NOT RECOMMEND!!!

            Dan B.

            Helpful (3)

          • 5/5

            April 28, 2010


            These gears are awsome, I get so much acceleration in my first three gears now with only a little drop in mpg. This is a great product with Limited Slip Differential. Smokin them ricers all the time now. lol


            Helpful (11)

          • 3/5

            April 19, 2010

            its a mess but worth it to install

            Well i bought these and when i went to install them i noticed some problems. the number one problem was that the cross shaft pin absolutely has to be grinded down if you do not buy the posi trac diffriental. the ring gear is alot thicker than that of the stock 323 gears. another thing is that the recommended parts does not say anything about this. TRUST ME IT IS A MESS TO INSTALL BY YOUR SELF BUT WELL WORTH THE POWER DIFFERENCE. IT IS NICE TO SHIFT INTO FOURTH GEAR AND HEAR A BARK WITH BRAND NEW TIRES LOL AND BY THE WAY EVERY ONE THAT COMPLAINS ABOUT THE WHINING NEEDS TO CHECK THEIR BACK LASH ON THEIR CRUSH SLEEVE BECAUSE THAT IS WHAT CAUSES IT TO WHINE


            Helpful (13)

          • 5/5

            March 23, 2010

            4.10 Gears (V6)

            Got these installed and at first I was taking it easy on the car and began to wonder why I'd bothered getting the gears. Then I stepped on it and that was the moment I fell in love. The car pulls much better combined with the 7.5" Tlok.

            Ryan M

            Helpful (5)

          • 5/5

            March 18, 2010

            4.10 Gears On V6

            What a difference Gears can make to a V6 Mustang, The moment i first drove it after the Install it was an immediate difference in acceleration threw every gear this is how it should be Great Product Thanks American Muscle.

            John Broman

            Helpful (4)

          • 5/5

            March 06, 2010


            I had this installed with a T-Lok. After a day of driving, I still have a stupid smile i can't get rid of. American Muscle is the Best. Can't wait to get my tuner and CAI.

            Bill Waudby

            Helpful (2)

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