Yukon Gear Duragrip Posi Rear Differential - 31 Spline 8.8 in. (86-14 V8; 11-14 V6)

Yukon Gear Duragrip Posi Rear Differential - 31 Spline 8.8 in. (86-14 V8; 11-14 V6)
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OUR PRICE$458.99
Yukon Gears and Axles
Item # 21612
Market Price $515.99You Save 11% ($57.00)
Ships the same business day

Product Features

  • Put all your power to the pavement
  • Assembled 8.8" Limited Slip Differential
  • Heavy Duty - nodular case with forged 4320 internals
  • Composite clutches included
  • Requires 31 spline axles
  • Fits 1986-2014 V8 and 2011-2014 V6 (excludes 2013-2014 GT500)
Duragrip Posi Differential. Stop doing those ridiculous one wheel burn outs by upgrading to a Yukon 8.8in 31 Spline Duragrip Posi Differential from AmericanMuscle. A Limited Slip Differential (LSD) sometimes referred to as a "Posi" will allow both rear wheels to plant the power to the pavement giving you better traction and more impressive burnouts.

Heavy Duty. Featuring a case constructed from nodular iron, this Yukon Gear Duragrip Limited Slip Differential boast forged 4320 steel internals and composite clutches for dependable heavy duty performance and long life.

Application. This 8.8" Yukon Gear Duragrip Posi Differential will fit both solid axle and independent rear suspensions (IRS) equipped V8 Mustangs from 1986 to 2014 as well as 2011 to 2014 V6 Mustangs. Requires use of 31 spline axles. (Will not fit the 2013-2014 GT500).

Application Note: 1986-2004 V8 Mustangs came factory equipped with 28 spline axles, except for 2003-2004 SVT Cobras which were 31 spline. All 2005 and newer V8 Mustangs come equipped with 31 spline axles.

Technical Note. You will need to reuse your factory 8.8” gear set, or upgrade to a set of our 8.8" rear gears required for this Limited Slip Differential. No aftermarket gears are included. For normal driving conditions we recommend you use 75W 90 rear gear oil. This will give you the same oil weight as factory. For colder temps or race use try 75w 140.

Specifications:

  • 8.8" Limited Slip Differential
  • Heavy Duty
  • 10 bolt cover
  • Requires 31 spline axles
  • Requires 3 quarts gear oil
  • Requires 4 ounces of CM-19546-A1 friction modifier with initial fill
  • Fits solid or independent rear suspension

Installation Time:

(approx) 4 Hours

Difficulty Level:

Mechanical expertise or professional installation required.

What's in the box?

  • (1) 8.8" Limited Slip Differential

What's in the box?

  • (1) 8.8" Limited Slip Differential
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Fitment:
  • V6 11, 12, 13, 14
  • GT 94, 95, 96, 97, 98, 99, 00, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10, 11, 12, 13, 14
  • Cobra 94, 95, 96, 97, 98, 99, 01, 03, 04
  • Mach 1 03, 04
  • GT500 07, 08, 09, 10, 11, 12
  • Bullitt 01, 08, 09
  • Boss 12, 13
  • Foxbody 86, 87, 88, 89, 90, 91, 92, 93
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Known Exceptions:
Fits Mustangs equipped with a 8.8" rear end. Will not fit 2013-2014 GT500

About Yukon Gear

Yukon Gears and Axles
Yukon Gear and Axle build quality parts that exceed expectation, it’s that simple! Yukons in-house engineering team utilizes state-of-the-art computer software to design expectational products that are manufactured in partnership with some of the world’s foremost leaders in OEM manufacturing. Only after rigorous testing and intense quality control inspection can it earn the name Yukon.

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