Richmond Excel by 4.56 Gears (05-09 GT)

Richmond Excel by 4.56 Gears (05-09 GT)
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OUR PRICE$159.99
Market Price $179.99You Save 11% ($20.00)
Item # 21529G05
Add Gear Install Kit
Add Traction-LOK Rebuild Kit w/ Carbon Discs
Add 2010 8.8in Rear Gear Pinion Bearing
PRICE WITH OPTIONS $159.99
AmericanMuscle no longer carries the Richmond Excel by 4.56 Gears (05-09 GT). Please check out 05-09 Mustang Gears for an updated selection.
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Product Features

  • Better than OEM quality
  • 4.56 Gear Ratio
  • 8.8" Ring Gear Diameter
  • Fits 2005-2009 GT, Bullitt and GT500 Mustangs
  • Made in the USA
Improves Off The Line Bite. Are you looking to install a steeper set of gears in your Pony to get more low end grunt off the line? Then look no further than a set of Richmond gears. Richmond has been making high quality gears at a friendly price for well over 80 years.

Made in the USA. Manufactured right here in the USA, Richmond uses state-of-the-art manufacturing and extensive testing to produce a superior quality ring and pinion gear set at an excellent price.

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 Richmond 4.56 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.

Approximate RPM for 2005-2010 GT


Manual
Gear @25 MPH @35 MPH @45 MPH @55 MPH @65 MPH @75 MPH
1 4753 6654        
2 2812 3937 5062 6187    
3 1856 2599 3341 4084 4826 5569
4 1406 1969 2531 3094 3656 4219
5 956 1339 1721 2104 2486 2869


Automatic
Gear @25 MPH @35 MPH @45 MPH @55 MPH @65 MPH @75 MPH
1 4528 6339        
2 3220 4508 5796      
3 2166 3032 3898 4764 5630 6497
4 1406 1969 2531 3094 3656 4219
5 998 1398 1797 2197 2596 2995

Installation Time:

(approx) 4 Hours

Difficulty Level:

Mechanical expertise or professional installation required.

Installation Guides:

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Fitment:
  • GT 05, 06, 07, 08, 09
  • GT500 07, 08, 09
  • Bullitt 08, 09

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