Ford Performance Boss 302 Torsen Differential - 31 Spline 8.8 in. (05-14 GT, BOSS, GT500)

Customer Reviews (4) Write a Review

Overall Rating 4.8

out of 5 stars

Installation Time:Afternoon

• Performance Gain 5 5
• Fit 5 5

• 5/5

  Installation Time: Afternoon

  June 23, 2017

  Should have been my first mod

  You can't understand how much this diff improves handling until you drive a car with one installed. It makes the rear end so much more controllable and understanding of what you want it to do.

  Markjr

  Year: 2012 Submodel: GT

  Helpful (1) Thanks for your input!

  • Performance Gain 5

    5

  • Fit 5

    5
• 5/5

  Installation Time: Full Day

  May 27, 2017

  Big Time Fix

  Ford Performance really knocked it out of the park with this one. After chewing up the two previous "stock" differentials, with this one, hit the gas and it's more like A launch, drop the hammer on the highway, and it's just GO. The vibration is gone,the chatter is gone, had my dealer do the install now it's like brand new all over again.

  Rick

  Year: 2007 Submodel: GT

  Helpful (1) Thanks for your input!

  • Performance Gain 5

    5

  • Fit 5

    5
• 5/5

  Installation Time: Afternoon

  February 13, 2017

  Greatly improves on power handling

  This diff does a great job of improving on power handling. This allows you to be on power sooner in corner's without wasting torque on the wheel that HAS to slip because solid axles have to spin their tires as the same speed. With this Torsen diff, although the tires move at the same speed, the tire getting more resistance will have greater torque applied to it; thus power is correctly apportioned to the tire getting better grip. This is especially useful if your engine is a torque-bomb (ie, roots or positive displacement supercharger). It's not intuitive until you've composed your car, but better handling cars are more fun because you don't have to decelerate as much in turns, meaning you exit at higher speed. Exiting a corner at higher speeds means you're well into your torque apex when you're applying high throttle openings; thus you exit a corner at a moment to get maximum "torque shove." Leaving a corner at slower speed, in second gear, will leave you below the torque apex which will make you sad and hopeless. Kids think just power, adults think power and handling. Note: This diff was used in the 2013 GT500, meaning that it can't be killed with power less than 700 hp. If you mustang makes more power than that, you're not concerned with the future anyway.

  BrittD

  Year: 2007 Submodel: Other

  Helpful (1) Thanks for your input!

  • Performance Gain 5

    5

  • Fit 5

    5
• 4/5

  July 21, 2016

  Great

  Very good differential took awhile to install but very good off the line

  Ddddd

  Year: 2007 Submodel: GT

  Helpful (1) Thanks for your input!