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Motive Performance Plus 3.73 Gears (05-10 V6)

Market Price $206.79 You Save 9% ($18.80)

$187.99

FREE Shipping
  • Item 21107G05
  • MPN# F7.5-373

In Stock Ships same business day. Choose options to add to cart

Features & Details

  • Superior Quality
  • CNC-Cut from 8620 Gear Steel
  • 3.73 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 3.73 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.

3.73 Gear Ratio. 3.73 gears are a great combination of performance and fuel economy that's ideal for a daily-driven 'Stang that sees a lot of highway time. If you put a lot of miles on your Pony and don't want to increase your cost at the pump, a 3.73 ratio will still give you the added acceleration you want without compromising fuel economy dramatically.

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

What's in the Box
  • (1) Ring gear
  • (1) Pinion gear
Installation Info
Will it fit my Mustang?
  • V6 - 05, 06, 07, 08, 09, 10

Most Helpful Reviews

5/5
big time must

got this 3.73...came from factory 3.27...2000 v6 mustang 5sp... i only lost 300 rpms..65mph is now 2250 rpms..factory was 1950... definatly is a whole lot quicker getting into the "power band" also got ...

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Helpful (1)

5/5
Motive Performance Plus 3.73 in V6

Just had the Motive gears along with the Ford Racing T-lock differential installed in my 2005 Mustang. Had it professionally installed at Woodhouse Ford, and though I'm in the break in period yet, does ...

Read More
Helpful (1)

Overall Rating 4.7 out of 5 stars
Read All 19 Reviews

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1 Questions / 1 Answers

Ask a Question

0-60 times What kind of 0-60 gains would a midly modded 2008 v6 (gms coil,taylor wires, NGK spark plugs, BBK cai, american thunder axleback, all without a tune-soon to come) see with these gears.

Kody

  • The stock specs are 0-60 mph : 6.6 sec.(manual), 6.9 sec.(auto). How much time the gears shave off depends on many variables. The driver, tires, temp, the gas, do you have a Posi-Traction Rear, do you have a tuner that has adjusted your shift points? It will make a big difference on how the car accelerates. I have the same set up in my car but I put a Posi-Traction Differential in and the hook up is awesome. Also if you are getting a Bama Tuner (I did) they can adjust your speedometer for the new gears. I was able to cut my 0-60 by 0.8 to 1.0 sec depending on the day with a Automatic Trans.

    fasteddie64

    Good Answer (2) (0)

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Customer Reviews (19) Write a Review

Overall Rating 4.7

out of 5 stars

Installation Time:Shop Install

Installation Cost:$250-$500

  • Performance Gain 4.666667 4.7
  • Fit 4 4



  • 5/5

    August 14, 2016

    Awsome

    Great gears. Worth the money. Def woke up my v6 . paired with it a new posi diff works Awsome. Drives like a v8 now. No more one wheel burn out . 2 wjeel burn outs for now on.

    Jd

    Year: 2005 Submodel: V6

    Helpful (1) (0)

  • 5/5

    July 25, 2016

    Awesome!

    Totally different car, had them installed at the shop and right away you can feel the acceleration difference so happy with the purchase I would recommend getting a set!

    Alec

    Year: 2007 Submodel: V6

    Helpful (1) (0)

  • 2/5

    July 11, 2016

    Depth off smdh

    Great set of equipment had it installed in the shop do not have the tools to do overhaul jobs. The mechanic told me it was a big set they had to shave it down a bit put it in and was making a chattering even tho I used RP gear oil and friction modifier it chartered when coasting acceleration and deceleration I've taken it back before and they claimed they fixed it but it's still making so much noise smdh

    Wawa

    Year: 2008 Submodel: V6

    Helpful (1) (0)

  • 5/5

    March 16, 2011

    Motive Performance Plus 3.73 in V6

    Just had the Motive gears along with the Ford Racing T-lock differential installed in my 2005 Mustang. Had it professionally installed at Woodhouse Ford, and though I'm in the break in period yet, does seem to give the car definately more torque off the line. Would have been interested in the 4.10, but I do want to be able to drive it comfortably on the highway too... 3.73 seems a good compromise.

    K J Peters

    Year: 2005 Submodel: V6

    Helpful (1) (0)

  • 5/5

    January 11, 2011

    big time must

    got this 3.73...came from factory 3.27...2000 v6 mustang 5sp... i only lost 300 rpms..65mph is now 2250 rpms..factory was 1950... definatly is a whole lot quicker getting into the "power band" also got the t-lok with it...best thing i have done so far to this car..well other than getting the wireless tuner for it :) thanks AM !!

    justin p

    Year: 2000 Submodel: V6

    Helpful (1) (0)

  • 4/5

    Installation Time: Shop Install

    February 18, 2012

    Gear Upgrade

    I recently had Motive 3.73's put in my Stang along with a Ford Trac-Loc Posi. I took it to a shop being I didn't have the tools required to set the pinion depth. This is critical to avoid "Gear Whine", to deep or shallow and you will get noise on accell. or decell. On to the good part the gears they are top notch and fit great and are stronger than stock. After 500 miles break in they really surprised me. I have a whole different Mustang, rolling slow and punch it both tires break loose and a little sideways drift. From a dead stop it jumps like a cougar pouncing in for the kill, it has so much more "BALLS"!! And yes I have a automatic and the shift from 1st to 2nd chirps V-6. And that was without my Bama Tuner. Don't be tempted to get the 4:10's unless you plan to drag race every weekend you'll run out of wind up top showing who's who on the Interstate and Highways. GEARS SHOULD BE YOUR FIRST UP GRADE AND POSI IF YOU CAN SWING IT!! Hey and if I'm wrong I'll eat my hat!. The best MONEY I ever SPENT Hands Down, You won't be sorry, End Of Story!!!!

    fasteddie64

    Year: 2007 Submodel: V6

    Helpful (11) (0)

  • 5/5

    July 08, 2008

    Wow

    I bought these gears along with the installation kit, and Royal Purple fluid. This really woke the car up. I do a lot of highway driving and noticed no change in noise or fuel economy. An SCT tuner will allow you to correct your speedometer and get some extra power at the same time.

    Ron B

    Helpful (5) (0)

  • 5/5

    May 15, 2009

    A must!

    This product is a definite MUST a long with the T-lock to V6 enthusiasts! If you want more bang for your buck, then this is surely your item!

    Nikky

    Helpful (4) (0)

  • 5/5

    June 26, 2008

    NASTY

    These gears are exactly what the title says, nasty! All together it was around $750 for the works, however, I do recommend getting a posi-traction differential. My car is a lot more fun to drive now.

    Tyler Malek

    Helpful (4) (0)

  • 5/5

    June 15, 2008

    Worth It, Does The Job

    I bought 3.73 Gears for my V6, I decided to stay with the 7.5in rear. But I must say, the gears do a VERY noticeable difference in acceleration off the line and in the low-mid RPM range. These gears wont hurt your MPG either, it will be near stock. Dont waste your money on FRPP gears or others, Motive Performance is an inexpensive and reliable way to go to upgrade gears. Also, gears only whine if the technician doesnt take the time to align them correctly. Definitely recommended though.

    Andrew F.

    Helpful (4) (0)

  • 5/5

    Installation Time: Shop Install

    November 26, 2011

    Well worth the $!

    Great tiem. Well made. Must be professionally installed. These gears will really improve your off the line times and performance and won't affect your MPG much. My RPMs are only up slightly at highway speed. These gears bring your engine into its power band much quicker. A great investment! Motive gears were highly recommended by my mechanic...I'm glad I followed his advice! Use Royal Purple Limited Slip fluid with these.

    Res41cue

    Year: 2008 Submodel: V6 MD

    Helpful (3) (0)

  • 5/5

    November 03, 2009

    one word "awsome"

    put gears in,took just a few hours.Did the 500 mile break in.Now i race all over town! I love the new power.Thanks,American Muscle.Im glad i went with the 373,perfect fit for my daily driver!!

    colleen hartman

    Helpful (3) (1)

  • 4/5

    Installation Time: Shop Install

    Installation Cost: $250-$500

    October 05, 2012

    Motive 3.73 Gears

    Had these gears installed along with the T-LOK from FRPP at a local performance shop. After install the shop owner noted that although the gears were installed to spec, there is a whine when cruising at a constant speed, but not while accelerating or decelerating. It took some getting used to, especially on the freeway when it get very loud.

    SCMustang

    Year: 2008 Submodel: V6 Los Angeles, CA

    Helpful (1) (0)

  • 5/5

    March 24, 2010

    REAL POWER

    373,perfect fit for my V6 The difference is much, now runs with more power with better acceleration THANK YOU AMERICAN MUSCLE

    JUNIOR

    Helpful (1) (0)

  • 5/5

    February 19, 2010

    Great Mod

    Great mod albeit expensive with POSI, bearing kit and a $ 430 prof. installation. It was worth waiting and saving. It really gives a boost to your V6. After long search on Inet, AM provided the best prices for these parts.

    Fabian Hug

    Helpful (1) (0)

  • 5/5

    May 29, 2009

    less slow!

    I had to rebuild the rear end of my mustang so I figured I would throw in some lower gears to get some more pep from my slow single port. I am very happy with the result, the acceleration is much better. The down side is that at 65mph im at 2500rpm (5spd). At least it keeps me from getting speeding tickets on the freeway.

    Joe

    Helpful (2) (1)

  • 5/5

    November 08, 2007

    great gears!

    These gears are awesome. They don\'t whine or anything, I have about 5-10k miles on them so far and no problems! it woke my sixer up.

    John

    Helpful (1) (0)

  • 5/5

    November 18, 2008

    One beefy ring

    Got this along with my T lock. Talk about one solid piece of equipment!

    Keith

    Helpful (1) (1)

  • 4/5

    February 17, 2011

    Woke the pony up!

    This was a great product. Made my V6 really fly.. Only thing I didn't like is that it didn't come with and spacers or any of the bearings or crush collar that are pretty much mandatory. I wouldn't recommend doing rhis yourself unless you are a very experienced tech with a hoist. Don't count on finishing it in 1 day either. Took 2 buddies and I 2 7 hr. Days with a hoist. Very pleased with the product thus far. Just doin the 500 mile break in.

    Brad Coxe

    Helpful (0) (0)

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