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Motive Gear Performance Plus Ring and Pinion Gear Kit; 4.10 Gear Ratio (05-09 GT)

Item 21103G05
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      Product Information

      Features, Description, Reviews, Specs & Installation

      Features

      • Superior Quality
      • CNC-Cut from 8620 Gear Steel
      • 4.10 Gear Ratio
      • 8.8" Ring Gear Diameter
      • For Street or Track Use
      • Fits 2005-2009 GT, Bullitt and GT500 Mustangs

      Description

      Improve Overall Performance. Wake up your V8-powered Pony and get better acceleration off the line with a set of steeper gears. These high quality 4.10 gears from Motive will give your Mustang more pull off the line and get you into your power band faster for quicker quarters and lower ET's.

      Superior Construction & Precision Fit. 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. Unlike other brands, Motive Gears do not have a reputation for "gear whine".

      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 4.10 Ring and Pinion Gear set will fit all 2005 to 2010 V8 Mustangs including the GT, Bullitt and GT500 models. A master bearing kit is recommended by most installers, especially on high mileage vehicles, see drop down option above.

      Attention 2010 and newer Mustang Owners. Starting in 2010 Ford changed the inner rear gear pinion bearing in all 8.8" equipped Mustangs. Because of this you will require a new 8.8" rear gear pinion bearing (Ford part# 9L3Z-4630-A) for proper installation, please 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. 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: 2005 2006 2007 2008 2009 Details

      Motive Gear F888410

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

      4.9

      Customer Reviews (13)

      Write a Review

      Ratings Summary

      4.9 out of 5 overall rating from 13 customers

      Installation Time: Afternoon





      • June 08, 2017

        5 2007 GT - PedroA Installation Time: Afternoon

        Hooks really good

        Better get some good tires cuz these gears will burn rubber. Really recommend.

        Helpful (3)
      • September 13, 2011

        4 2006 GT - Whipplestang Installation Time: Afternoon

        Mine are very noisy

        Well, I purchased theses motive gears both because of their reputation of quality and because of the claim that they don't whine. Mine whine horribly! I've built nearly 50 rear ends in my life so I know how to set gear patterns. If you're not a freeway driver they are fine. On a positive note, they have a light weight ring gear. I will be replacing them this winter.

        Helpful (4)
      • September 14, 2010

        5 - Jim Wyche

        Motion 4:10 Gears

        These gears are quiet and smooth and make your car feel like someone hid a big block under your hood!

        Helpful (5)
      • August 22, 2010

        5 - Nashville

        Great Gears

        if you have a mustang with an 8.8 rear axle, you have to have these gears, it is NIGHT AND DAY, just from these gears alone i saw a huge increase in power all across the powerband

        Helpful (4)
      • August 21, 2010

        5 - Nashville

        awesome

        have the 4.10's with my supercharger and WHOOO DOGGY you wanna talk about BANG for your buck, good lord, this is worth the money folks, what are you waiting for? Time to get serious? These gears will give you something to be proud of

        Helpful (5)
      • November 04, 2009

        5 - sharaf Malebary

        LoOoOve It

        makes your car really fun to drive. i really recommend to get the bearing kit with this part. it would make your life easier in installing them + no ugly noise afterward.

        Helpful (6)
      • August 07, 2009

        5 - Richard

        4.10's

        love the 4.10's, i've used both Ford Racing, and the Motive gears in 3.73 both with the motive gear bearing kit and have no problems at all, no while no clunking, awesome customer service and shipping was very fast, at the best price i could find

        Helpful (3)
      • March 23, 2009

        5 - matt r.

        whine

        go with ford racings gear(At least thats what my shop told me). These gears whine. It annoys me, if it doesnt annoy you then buy them. The 4.10 and the tune made the car so stupid fast. Just got my first ticket in them!!!! LOL. That\'s why i give the 4.10\'s a five star! Definitly needs to be first mod

        Helpful (3)
      • February 02, 2009

        5 - brad

        Nice stuff

        Great product. Really noticeable with a new LCD. I love em! Get the Predator Diablo tuner to go with, it is awesome.

        Helpful (4)
      • August 15, 2008

        5 - Chris V

        Plan First...

        These 4.10 gears from Motive were the third modification I had done to my GT. The difference in acceleration was very noticeable. One thing everyone warned me about was a drop in fuel efficiency, which I did not see. The gears allow the engine to operate at a more efficient speed, which won\'t really affect mileage if you keep your foot out of it. Another common misconception is a drop in \"top speed.\" That is totally false. Your top achievable speed will actually increase now that the engine will be operating at a slightly higher rpm. Sure, the top redline speed is lowered to 156, but unless you can run 8\'s in the 1/4 mile, you have nothing to worry about. These gears did have a little bit of whine, mostly heard when no load was placed on them (coasting). Unless you hear excessive whine (almost like a loud hum heard at all times), you have nothing to worry about. I recommend you give these gears a couple of heat/cool cycles before putting the pedal to the floor. That hardens them up. Lastly, plan things out before you get 4.10s. For an N/A Mustang, they provide a good increase in acceleration at the cost of 500 rpms. If you plan on supercharging your Mustang, I urge you to consider 3.73s. Overall these are a very good set of gears, and ideal for most Mustang owners. I recommend purchasing the differential bearing kit with these gears.

        Helpful (10)

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      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Ring gear
      • (1) Pinion gear

      Tech Specs

      Approximate RPM for 2005-2010 GT


      Manual
      Gear @25 MPH @35 MPH @45 MPH @55 MPH @65 MPH @75 MPH
      1 4274 5983        
      2 2529 3540 4552 5563 6575  
      3 1669 2337 3004 3672 4339 5007
      4 1264 1770 2276 2782 3287 3793
      5 860 1204 1548 1891 2235 2579


      Automatic
      Gear @25 MPH @35 MPH @45 MPH @55 MPH @65 MPH @75 MPH
      1 4071 5700        
      2 2895 4054 5212 6370    
      3 1947 2726 3505 4284 5063 5841
      4 1264 1770 2276 2782 3287 3793
      5 898 1257 1616 1975 2334 2693

      Will It Fit My Mustang

      • Bullitt - 08, 09
      • GT - 05, 06, 07, 08, 09

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