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Ford Performance Ring and Pinion Gear Kit; 3.55 Gear Ratio (11-14 V6; 86-14 V8, Excluding 13-14 GT500)

Item 50166
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      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation

      Features

      • Strong Forged Construction
      • For Street or Track Use
      • Ford Racing Quality
      • 3.55 Gear Ratio
      • 8.8" Ring Gear Diameter
      • Fits 1986-2014 V8 and 2011-2014 V6 (Excludes 2013-2014 GT500)

      Description

      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. Ford Racing Ring and Pinion Gears are perfect for street, road, or race use.Superior Quality. These Ford Racing 3.55 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 Mustangs speedometer, but a Ford Racing Speedometer Recalibration Tool is an inexpensive way to fix this issue. Application. This Ford Racing Ring and Pinion Gear set will fit all 1986 to 2014 V8 Mustangs including GT, Bullitt, Mach 1, Cobra and the 11-14 V6 Mustangs equipped with the 8.8" rear end. 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.

      Installation & Tech
      Differential Gears - Installation Instructions!Differential Gears - Installation Instructions!Mustang Rear Gears - Tech Article Mustang Rear Gears - Tech Article

      Fitment: 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 Details

      Ford Performance M-4209-G355A

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

      Installation & What's in the Box

      Installation Info

      What's in the Box

      Hardware included:
      • Ring
      • Pinion
      • Crush sleeve
      • Pinion nut
      • Shims

      Tech Specs

      4.9

      Customer Reviews (100+)

        Reviews of Ford Performance Drivetrain products have an average rating of 4.8 out of 5

          Questions & Answers

          10 More Questions

          Will It Fit My Mustang

          • Boss 302 - 12, 13
          • Bullitt - 01, 08, 09
          • Cobra - 93, 94, 95, 96, 97, 98, 99, 00, 01, 03, 04
          • Cobra R - 93, 95, 00
          • GT - 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 00, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10, 11, 12, 13, 14
          • GT500 - 07, 08, 09, 10, 11, 12
          • LX - 87, 88, 89, 90, 91, 92, 93
          • Mach 1 - 03, 04
          • Other - 86
          • V6 - 11, 12, 13, 14

          Fits Mustangs equipped with a 8.8" rear end

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