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Ford Performance Traction-LOK Rebuild Kit; 8.8-Inch (86-04 V8)

Item 50472
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      Product Information

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


      • Legendary Ford Racing Quality
      • Basic Kit for 28-Spline or 31-Spline
      • Clutch Pack, Shims, Differential Lock Pin and Friction Modifier Included
      • For 8.8" Traction-Lok Rear
      • Fits 1986-2004 V8 Mustangs with 8.8" Solid Rear Axle


      Upgrade or Replace. Whether you're rebuilding your 8.8" Traction-LOK rear or installing new gears, this kit from Ford Racing is what you need to do the job right. Make your differential perform even better than it did from the factory with this kit.

      Basic Kit for 28 or 31-Spline. This Ford Racing Basic Rebuild Kit is designed to be used with either 28-spline or 31-spline differentials and includes the clutch pack, shims, a bottle of friction modifier, one differential pin lock bolt with thread lock pre-applied, and an instruction sheet so you'll have everything you need.

      This Ford Racing Traction-LOK Rebuild Kit is designed for use with 1986-2004 Mustangs equipped with a 8.8in solid rear axle, including the LX 5.0, GT, Bullitt, Mach 1 and 1994-1998 SVT Cobra models.

      Please Note: The 1999-2004 SVT Cobras, as well as 2005-2014 V8 Mustangs, were originally equipped with carbon discs. AmericanMuscle recommends part# M-4700-C for these models.

      Fitment: 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 Details

      MPN# M-4700-B

      CA Residents: WARNING: Cancer and Reproductive Harm -


      Customer Reviews (37)

      Write a Review

      Ratings Summary

      4.8 out of 5 overall rating from 37 customers

      Installation Time: Full Day

      Installation Cost: $100-$250

      • January 15, 2020

        5 2007 GT - JohnE Installation Time: Afternoon

        Trac lock kit

        Very easy to do. And working great. So a few figure eight's after installing to get friction plates working smoothly.

        Helpful (0)
      • February 07, 2019

        5 2004 GT - GordonB

        2004 mustang gt

        Seems like a Great part!! Am always as the best prices an there stuff know what is going on!!

        Helpful (1)
      • August 29, 2018

        5 2003 Cobra - MichaelB Installation Time: Afternoon

        Perfect fit

        Easy to install. Perfect fit. No fus at all I recommend also changing wheel axel bearings as spider gears while you are in there. Not fun removing diff.

        Helpful (6)
      • May 20, 2018

        4 2002 GT - ThomasG Installation Time: Less than 1 Hour

        Early replacement

        I replaced them early since I was replacing every race, bearing, seal, and the ring and pinion. So I can't tell if I've noticed a difference or not since they weren't bad.

        Helpful (6)
      • May 07, 2018

        3 1998 GT - NotStan Installation Time: Weekend

        adequate at best

        Didn't notice any gain in performance. friction discs were just as thick as the stock ones in there with 100k miles. wasn't as much material as OEM either. at least I know its new.

        Helpful (6)
      • May 05, 2018

        5 2001 GT - GriffinL Installation Time: Full Day

        Great quality for cheap

        I installed these clutches in my driveway, it was difficult because it was my first time but the process itself is not too hard. After i installed them i no longer have a one wheel peel, nor does my diff make a horrible hypoid gear noise. These are great for people on a budget

        Helpful (6)
      • April 28, 2018

        5 2001 GT - Customkenny Installation Time: Afternoon

        Rebuilding the rear end

        Items nice oem ford parts can’t go wrong with that.

        Helpful (6)
      • March 13, 2018

        5 2001 GT - Dave Installation Time: Shop Install Installation Cost: $100-$250

        Works Great

        It is current Ford production clutches and steel with Ford Racing sticker slapped over current box. Good thing, it is cheaper than over the counter dealer part and comes with additive and pin bolt. I'm a ASE Master tech. The install is easy with the proper repair info tools and skills. If you don't have all 3 then I suggest take it to a certified repair shop or you will have less than desired results

        Helpful (8)
      • March 01, 2018

        5 1993 LX - Ghost191 Installation Time: Afternoon

        Tire fries anyone?

        Installed this in my car took about 2 1/2 hours tops. Feels good to leave 2 long patches of rubber the entire time lol. Highly recommend this to anyone on a budget

        Helpful (7)
      • November 09, 2017

        5 1988 GT - keith Installation Time: Afternoon

        Great product and great price

        Resurrected an 88 mustang gt that was sitting for 10 years went to do axle bearings and found the cross pin bolt was broke off in the carrier so addressed that issue by removing the carrier just to find out my frictions were burnt through, ordered the ford racing trac-lok kit had it back together in no time, I used the factory stacking method and shimed it out to .030" feels nice and tight

        Helpful (8)

      Questions & Answers (3 answers)

      3 Top Rated Questions

      I understand that when using this kit I will have to remove the ring gear from the carrier to remove the spring, is that correct. If so will the ring and pinion gears have to be reset.

      • The Ford Performance Traction - LOK Rebuild Kit - 8.8 in. will require the ring and pinion to be removed. You must check clearances once everything is installed to ensure it will work properly.

      Helpful (0)

      this kit states that it works for 31 and 28 spline axles, but the metal discs that grab the axle shaft splines should either work for one or the other. and the picture shows a metal disc with 24 splines... there is a discrepancy here and im curious as to which axle shaft this kit would work for. Unless this kit does not include the medal splined discs i dont understand how this works for both...

      • The splined part of the disc in the Ford Performance Traction LOK Rebuild Kit does not ride on the axle and therefore will work with both 31 & 28 splined axles. If they did ride on the axles, they would indeed need to have the matching spline count as the axle being used.

      Helpful (0)

      01 GT auto Is my 01 gt auto supposed to be spinning only one wheel? if so can I use this kit to make it spin both with the same lsd? or even the carbon disc 31 spline with a 28 spline s spring? Thanks - Brad

      • No you gt isnt supposed to be a one tire fryer. Rebuilding the trac-lok will solve this problem for approximately 50k miles depending on driving habits, environment, etc. If you get a completely new carrier that is for 31 spline you will need new axles due to stock came with 28 spline.

      Helpful (0)
      Post Your Question

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • Clutch Pack
      • Shims
      • (1) Cross Pin Bolt
      • (1) Bottle of Friction Modifier

      Tech Specs

      Will It Fit My Mustang

      • Bullitt - 01
      • 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
      • LX - 87, 88, 89, 90, 91, 92, 93
      • Mach 1 - 03, 04
      • Other - 86

      Not compatible with Mustangs equipped with a 7.5" rear end

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