Ford Performance BOSS 302 Mustang Torsen Differential (1986-2014)

$120.00 (11%)
Original equipment on the 2012 BOSS 302LS, this M-4204-MB Torsen differential from Ford performance will fit all 2005-14 Mustangs, with an 8.8" 31 spline live rear end. >
Part Number: 161 M 4204 MB
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Original equipment on the 2012-2013 BOSS 302 Laguna Seca package, this Torsen differential from Ford Racing will fit all 2005-2014 Mustangs, and any other Mustang with an 8.8 non-IRS rear end that has been upgraded to 31 spline axles.

This Torsen differential features full time torque sensing and torque biasing with a torque bias ratio of 2.7.

Unlike conventional speed-sensing, limited slip differentials, TORSEN is a full time torque sensing, torque biasing system. Torque and differentiation are continuously managed between the two axles and biased instantaneously according to variable road conditions. TORSEN patented parallel gearing system is designed to perform for the life of the vehicle.

This differential is a must have for those competing in auto-cross and road race competition.

Product Benefits
  • Full torque sensing differential
  • Competition proven yet smooth and quiet for street use
  • Direct bolt on for 31 spline applications
  • Competition proven
  • Exciter ring compatible
  • 2.7 bias ratio

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Fitment & Features


Manufacturer: Ford Performance

Installation Information:

Level of Difficulty: Tech Recommended
Tools Required: Basic Shop Tools

Vehicle Fitment:

Fits Model Year: 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
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