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Motive Gear Performance Plus Ring and Pinion Gear Kit; 4.30 Gear Ratio (10-14 GT; 12-13 BOSS 302)

Item 21104G11
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$239.36

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      Product Information

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

      Features

      • Superior Quality
      • CNC-Cut from 8620 Gear Steel
      • 4.30 Gear Ratio
      • 8.8" Ring Gear Diameter
      • For Street or Track Use
      • Fits 2010-2014 GT, BOSS and GT500 Mustangs

      Description

      Improve Overall Performance. Improve your V8-powered Mustang's off-the-line responsiveness with a set of 4.30 gears from Motive. Steeper gears get you into your power band faster for improved acceleration and lower times. A set of 4.30 gears are a great choice for the performance-oriented Pony that still needs to be drivable on the street.

      Superior Construction & Precision Fit. These Motive ring and pinion 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."

      Application. This Motive Performance Plus 4.30 Ring and Pinion Gear set will fit 2010-2014 GT, BOSS and GT500 Mustangs. 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. Due to this, installation 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: 2010 2011 2012 2013 2014 Details

      Motive Gear F888430

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

      Installation & What's in the Box

      Installation Info

      What's in the Box

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

      Tech Specs

      Approximate RPM for 2011+ GT


      Manual
      Gear @25 MPH @35 MPH @45 MPH @55 MPH @65 MPH @75 MPH
      1 4853 6795        
      2 3222 4511 5800      
      3 2241 3137 4034 4930 5827 6723
      4 1750 2451 3151 3851 4551 5251
      5 1326 1856 2387 2917 3448 3978
      6 862 1207 1551 1896 2241 2586


      Automatic
      Gear @25 MPH @35 MPH @45 MPH @55 MPH @65 MPH @75 MPH
      1 5531          
      2 3103 4344 5585 6826    
      3 2017 2824 3630 4437 5244 6051
      4 1516 2122 2728 3334 3941 4547
      5 1150 1610 2069 2529 2989 3449
      6 916 1283 1649 2016 2382 2749
      4.7

      Customer Reviews (100+)

        Reviews of Motive Gear Drivetrain products have an average rating of 4.7 out of 5

          Questions & Answers

          10 More Questions

          Will It Fit My Mustang

          • Boss 302 - 12, 13
          • GT - 10, 11, 12, 13, 14

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