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Ford Racing 3.73 Gear, Ring and Pinion Installation Kit (05-10 V6)

AmericanMuscle no longer carries the Ford Racing 3.73 Gear, Ring and Pinion Installation Kit (05-10 V6). Please check out 2005-2009 Mustang Gears for an updated selection.
5 Reviews
Our Price

$274.99

  • Item #102141G05
  • Market Price $329.99
  • You Save 17% ($55.00)
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AmericanMuscle no longer carries the Ford Racing 3.73 Gear, Ring and Pinion Installation Kit (05-10 V6). Please check out 2005-2009 Mustang Gears for an updated selection.

Features
  • Convenient combo kit
  • Perfect for street or track use
  • Strong forged construction
  • 3.73 gear ratio - 7.5" ring gear diameter
  • 7.5" rear end installation and bearing kit
  • Genuine Ford Racing Parts
  • Fits 2005-2010 V6 Mustangs with 7.5" solid rear axle
Description

Improve ET's And Low End Torque. Are you looking to get more low end grunt off the line and lower your ET's at the same time? Then look no further than installing a set of steeper gears in your Pony. 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, 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. These Ford Racing 3.73 Mustang ring and pinion gears feature a super strong forged construction, CNC cut & lapped gear teeth, and a black oxide finish to resist corrosion.

Recommended Upgrade. Changing the rear axle gear ratio will throw off the calibration of your Mustang's speedometer, but a Handheld Tuner is a quick and easy way to fix this issue.

Application. This Ford Racing 3.73 Gear, Ring and Pinion Installation Kit will fit all 2005 to 2010 V6 Mustang models equipped with a 7.5" rear end.

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.

Mustang Fitment: 2005 2006 2007 2008 2009 2010 Details

What's in the Box
  • (1) Ring gear
  • (1) Pinion gear
  • Shelby GT500 high-torque pinion bearings
  • Pinion and carrier shims
  • Crush sleeve
  • Pinion nut
  • Pinion seal
  • Ring gear bolts
  • Heavy duty carrier bearings
  • Gear-marking compound
  • Cover gasket
Installation Info
Fitment
  • V6 - 05, 06, 07, 08, 09, 10

Most Helpful Reviews View All

Overall Rating 4.6/5 Write a Review
5/5
3.73 makes the Ole six banger launch harder ....

Launches harder, winds up quicker and still can tour on the interstate without making the squirrel work too hard. This is the mod you want after a cold air/SCT tuner upgrade . You will need the tuner to

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Helpful (1) (0)

5/5
Good Product

Bought this along with the Auburn T-lock. Had Andy in Franklin, VA install this for me. It is important that you get a mechanic who is versed in differentials & rear gears because adjustments are necessary.

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Helpful (1) (0)

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Reviews (5) Write a Review

  • 5 Stars .80 80%
  • 4 Stars 0 0%
  • 3 Stars .20 20%
  • 2 Stars 0 0%
  • 1 Stars 0 0%
4.6

out of 5 stars

5 Customers Recommend this Product

Installation Time:Weekend

Installation Cost:$250-$500

  • Performance Gain: 4.4 4.4/5
  • Fit: 4.8 4.8/5
  • Bang For Your Buck: 4.2 4.2/5
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  • 3/5

    Good upgrade

    November 08, 2014

    I was expecting major gains so that was my 1st disappointment. But there was a noticeable increase in torque and power gains. I did the full install kit with bearings and parts , it was supposed to come with shims and cover gasket that wasn't in box but American Muscle said they would go good for .i do recommend axle seals since there pulled to do job.It does have a loud hum at deceleration , the mechanic I used said this was his 1000th gear change that day a very reputable shop and was not happy with noise ,after 15 mins. Of driving I decided to change to a heavier diff fluid with extra lube agent it quieted some but not much. If it doesn't do damage I will deal with.I did this with a 93 race tune from SCT good gains but nothing close to what some boast about

    Petestang

    Year: 2007 Model: V6 Driving Style: Daily Driver 'Stangs I have owned: 2 Schenectady, NY, USA

    Helpful (1) (0)

  • 5/5

    New gears

    August 22, 2014

    I ordered these gears because my stock one broke, it took 1 day for them to come in very good quality I would deffenitly recommend getting these gears car feels great !

    5Mustang05

    Year: 2005 Model: V6 Driving Style: Daily Driver 'Stangs I have owned: 1

    Helpful (1) (0)

  • 5/5

    Good Product

    June 27, 2014

    Bought this along with the Auburn T-lock. Had Andy in Franklin, VA install this for me. It is important that you get a mechanic who is versed in differentials & rear gears because adjustments are necessary. And the two components go together - upgrading to the 3.73 gears without the T-lock is a waste of money. You will hate the price of the Auburn T-lock, but if you buy a faster gear, you will need the 'locks. I am glad I did it with both. I can feel the vehicle grab the road, especially on take-offs. Fuel mileage is not bad on the highway if I keep the speed at sixty or below (29 mpg). Now I am set up for a supercharger.

    JKHolman

    Year: 2008 Model: V6 Driving Style: Daily Driver 'Stangs I have owned: 1 Whaleyville, VA

    Helpful (1) (0)

  • 5/5

    3.73 makes the Ole six banger launch harder ....

    June 25, 2014

    Launches harder, winds up quicker and still can tour on the interstate without making the squirrel work too hard. This is the mod you want after a cold air/SCT tuner upgrade . You will need the tuner to recalebrate your speedo . A good mod that will make a 4 Litre car a lot more fun to drive....

    percyco

    Year: 2007 Model: V6 Driving Style: Street / Strip 'Stangs I have owned: 4 Keuka Lake, New York, USA

    Helpful (1) (0)

  • 5/5

    Great product

    December 18, 2014

    I ordered this kit along the the Auburn Gear LS diff, and I couldn't be happier with all of it together. The shop said the installation kit was great and made the process a lot easier and faster. I went with 3.73s instead of 4.10s because it is my daily and I do a fair amount of highway driving. After installing them, it made it seem like the car was so sluggish beforehand. Acceleration is great, and really gives you that "seat of the pants" feeling. Be sure to pick up some Royal Purple for the install, which I got here on AM as well!

    Aidan

    Year: 2006 Model: V6 Driving Style: Daily Driver 'Stangs I have owned: 1 Mountainside, NJ, USA

    Helpful (0) (0)

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