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Ford Performance 4.10 Gears and Install Kit (10-14 V8; 11-14 V6)

Item 100574
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$279.99 (kit)

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    Features & Details

    • Money Saving Combo Kit
    • Ford Racing 4.10 Gears - 8.8"
    • Ford 8.8in Rear Gear Pinion Bearing
    • Motive 8.8" Rear End Installation and Bearing Kit
    • 1 Bottle of Ford Racing Friction Modifier
    • 2 Quarts of Royal Purple Max Gear 75w140 Gear Oil
    • Fits 2005-2014 V8 and 2011-2014 V6 Mustangs with 8.8" Solid Rear Axle
    Improve ET's and low end torque. Are you looking to get more low end grunt off the line and lower ET's at the same time? Then look no further than installing a set of steeper gears in your Pony. This Ford Racing Ring and Pinion Gears are perfect for street, road, or race use.

    Complete Kit. This Ford Racing Gear and Installation Kit comes complete with all the components needed to swap out your ring and pinion gear. It includes Ring gear, Pinion gear, inner rear gear pinion bearing, 1 bottle of Friction Modifier, 2 bottles of 75w140 Gear Oil, gaskets, seals, shims, bearings and all the required hardware.

    Legendary Ford Racing Quality. When you're adding performance parts to your Pony, you can't go wrong by installing parts from the folks that know it best. Ford Racing's legendary quality ensures years of hassle-free use.

    Recommended Upgrade. Changing the rear axle gear ratio will throw off the calibration of your Mustangs speedometer, but a Ford Racing Speedometer Recalibration Tool or a Bama SF4/X4 Power Flash Tuner is a quick and easy way to fix this issue.

    Application. This Ford Racing 4.10 Rear Gear and Installation Kit is designed for use with 8.8in solid rear axle equipped Mustangs, including the 2005-2014 GT, Bullitt, BOSS, Shelby GT500 and 2011-2014 V6 models.

    Application Note: Does not fit 2013 Boss or 2013-2014 Shelby GT500 Mustangs with axle codes S-215-D and S-219-D.

    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. You can also save money on your installation labor by having your Trac-Lok rebuilt at the same time as your gears are installed, see drop down option above.

    Fitment: 2010 2011 2012 2013 2014 Details

    MPN# 100574

    CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

    What's in the Box
    • (1) Ring gear
    • (1) Pinion gear
    • (1) Rear Gear Pinion Bearing
    • (1) 3.8 fluid oz bottle of Friction Modifier
    • (2) one quart bottle of Royal Purple Max Gear 75w140 Gear Oil
    • Front & Rear Pinion Bearing
    • Pinion Seal
    • Carrier Bearings
    • Carrier Shims
    • Differential Bearings
    • Crush Sleeve
    • Pinion Nut
    • Cover Gasket
    • Ring Gear Bolts
    • Brush
    • Gear Marking Compound
    • Loctite
    Installation Info
    Tech Specs
    Will it fit my Mustang?
    • Boss 302 - 12, 13
    • GT - 10, 11, 12, 13, 14
    • GT500 - 10, 11, 12
    • V6 - 11, 12, 13, 14

    Does not fit 2013 Boss or 2013-2014 Shelby GT500 Mustangs with axle codes S-215-D and S-219-D.

      Customer Photos (4) Submit Your Photo

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        Questions & Answers (9)

        5 Top Rated Questions

        Does this kit come with everything I need for the swap? Besides not having enough replacement gear fluid.

        • The Ford Performance 4.10 Gears and Install Kit will come with everything you need to do the swap yes.

        Helpful (5)

        What bearings does this kit replace?

        • The Ford Performance 4.10 Gears and Install Kit will include Front & Rear Pinion Bearings, Carrier Bearings, and Differential Bearings.

        Helpful (2)

        What else is needed with these gears? Such as tires, axles and driveshaft. Is it ok to run the stock ones?

        • Other then a tuner to correct the speedometer nothing else will be needed.

        Helpful (0)

        Do I need a new driveshaft with these, or is the factory stock good to go? I hear it's not sufficient for higher speeds.

        • The factory driveshaft will be fine driving at normal speeds. Anything over 100 mph a new driveshaft would be recommended.

        Helpful (0)

        Is this good for auto too?

        • The Ford Performance 4.10 Gears and Install Kit can be used on both auto and manual cars. Gear ratio selection would come down to the use of the car, tire size, and amount of time spent on the highway in the car. Please contact our Customer Service department so we may best assist you with selecting the best gear ratio for you.

        Helpful (0)
        Post Your Question
        4 More Questions
        Do i need a tune with these 4.10 gears? (2012 v6 manual) 1 answer
        My 2013 gt is sprayed. I broke my driveshaft and ruined the rear end on the drag strip last night. Will these gears be good for 1/8th mile and 1/4th with nitrous. 1 answer
        What RPM are you running @65mph on a 2014 V6? I cannot find any information anywhere. 1 answer
        I plan on adding NO2 in time. Will these gears be to short for that? 1 answer

          Customer Reviews (39) Write a Review

          Ratings Summary

          4.9 out of 5 overall rating from 39 customers

          Installation Time: Weekend

          Installation Cost: $250-$500





          • December 27, 2019

            5 2012 GT - RONW Installation Time: Shop Install Installation Cost: $250-$500

            FORD PERFORMANCE 4:10 GEARS

            ...simply the finest ‘snap your neck’ acceleration upgrade for my 2012 MUSTANG GT. RPM increase at 70 mph is very manageable; exhaust audio through full FLOWMASTER SYSTEM is great.

            Helpful (0)
          • September 24, 2019

            5 2014 GT - Garrick Installation Time: Weekend

            Guess who just woke up?

            Everyone said that 4.10's would be a big change and they weren't lying, My 5.0 is my daily and lets just put it this way. I recommend when you do these 4.10's upgrade your breaks because everything comes at you a lot faster.

            Helpful (0)
          • August 19, 2019

            5 2010 GT - MichaelS Installation Time: Shop Install Installation Cost: $250-$500

            Off the line is so much better

            I went from 3.31s to these 4.10s and cannot do anything less than these. Unfortunately I didn’t break them in right and will probably need a new set but that’s on me. I love the feeling of getting pushed into my seat off the line and make the car so much more fun to drive. Highly recommend them if you’re looking for that drag setup. Cruising on the highway at 70 mph I’m sitting at about 2200 to 2400 rpms so nothing crazy there.

            Helpful (1)
          • October 31, 2018

            5 2013 V6 - Craig Installation Time: Afternoon

            4.10 Gear Kit

            Just a quick reference on this kit. I have a 2013 v6 automatic. I am adding some nice mods slowly for power and torque. These gears are the first thing after you CAI you should purchase. I had a local gear shop install this kit along with a BRAND NEW Traction Lock with Carbon Discs. Not the rebuild kit. Took the shop about 4 hours at a cost of $450. They have strict break in they recommend which is 1,000 miles. After 700 miles they recommend bringing it back in to replace the new Royal Purple with new. So I am going to lay low on them as prescribed. Yet I can tell that right off the top you can feel the difference just moderately driving it. Very happy with this changeout. Have yours installed right. This is not an easy job and certainly not for an amateur to try.

            Helpful (8)
          • November 29, 2017

            5 2011 GT - jpbaily1 Installation Time: Shop Install Installation Cost: $250-$500

            4.10 Gears

            Very responsive since installing this set! I can now "toss" my car around like it lost 1,000 pounds. :)

            Helpful (9)
          • November 24, 2017

            5 2013 V6 - PEM Installation Time: Shop Install

            4.10 install kit

            Made a tremendous difference in performance. Now it will turn the tires!

            Helpful (7)
          • November 16, 2017

            5 2013 GT - MarkP Installation Time: Shop Install Installation Cost: $250-$500

            Just what I needed

            Included everything for my new gears to be installed

            Helpful (8)
          • November 13, 2017

            5 2011 GT - CCC Installation Time: Afternoon

            Gears

            These gears holding up extremely well, such a huge difference in performance, installed my Mustang Magic on Long Island, no whine or chatter... highly recommend!

            Helpful (7)
          • July 27, 2017

            5 2013 GT - Stang Installation Time: Full Day

            2013 Mustang GT

            Love these gears.. Took the stock out and had a friend install these 4:10.. Matched up perfectly with the 6 speed manual.. . Runs 2200 rpm at 80mph..

            Helpful (17)
          • July 07, 2017

            5 2013 GT - DavidE Installation Time: Shop Install

            20 inch wheels/this gear,perfect street ratio

            These gears put the power band of my supercharger right in time. I personally think these are perfect, not too steep, great at the strip and still cruise 75mph at under 3000rpm

            Helpful (11)
          • June 14, 2017

            5 2013 V6 - Drey Installation Time: Shop Install Installation Cost: $250-$500

            Best mod yet

            If you haven't done this already, buy it now. This is my favorite purchase I have made yet, but make sure you get a tune to.

            Helpful (10)
          • March 26, 2017

            5 2012 GT - RobertW

            Love the 4.10s

            Great product, had everything I needed. Only turning 2k at 60mph. Should have come from factory this way

            Helpful (12)
          • March 13, 2017

            5 2011 GT - Mcgee19d Installation Time: Shop Install Installation Cost: $250-$500

            Good bump in acceleration

            Had these installed for about $400 very slight hum above 60 mph. In a 6 speed card you're looking at about 3000 rpm to go 80 mph. Good quality kit and a significant boost to acceleration. You need to plan for some rear suspension upgrades to help with traction.

            Helpful (14)
          • March 10, 2017

            5 2010 GT - Martymar Installation Time: Afternoon

            4 10

            This kit comes with everything u need...said by my mechanic. ..I really like the gears. Pushed my RPM's up about 500..rides good on highway..car feels like it being pushed from the rear..very exciting. .much quicker...very happy

            Helpful (13)
          • March 01, 2017

            5 2014 V6 - FakeName Installation Time: Weekend

            Great choice

            I was on the fence between the 4.10 and the 3.73 glad i chose the 4.10 gas millage changed by a 0.4 mile difference took a while to install with no rear end experience but the PDF guide on American Muscle had all the information i needed for a good install. would not recommend installing on jack stands because getting the correct preload on the pinion nut is difficult with no clearance for leverage. but overall the performance gains are totally worth the hassle!

            Helpful (12)
          • February 20, 2017

            5 2013 V6 - PEM Installation Time: Full Day

            4.10 gears for V6

            The kit was complete. Easy work for my local shop. Night and day difference in performance - now it feels like a real pony car.

            Helpful (9)
          • February 19, 2017

            5 2012 GT - Madmax Installation Time: Shop Install Installation Cost: $250-$500

            Great gears

            Really woke the car up. Super fun to drive now on and off highway. I have a 6 speed. First gear is not totally unusable but very close. Only 200 miles on them so still breaking them in. No noise so far. Shop install.

            Helpful (11)
          • January 28, 2017

            5 2013 V6 - MustangMike Installation Time: Afternoon

            4.10 gears

            Amazing. Had a friend install and I loved them. Stock was 2.73. Huge difference

            Helpful (8)
          • December 10, 2016

            5 2010 GT - Monster3v Installation Time: Shop Install Installation Cost: $250-$500

            Great Product

            I chose to purchase the entire kit instead of the gears alone and it was a great decision. I combined it with a new toque converter and there is definitely a difference. I would greatly recommend it for anyone that wants to that 1/4mile tome down.

            Helpful (12)
          • July 27, 2016

            5 2011 GT - tgun1

            410's

            There great with the 6 speed manual still breaking them in though I used to spend a lot of time in 3rd and 4th but now in 4th and 5th while in town freeway I'll get into 6th install cast me about 700 bucks wasn't bad! There not noisy like some reviews I have read

            Helpful (10)

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