ClickCease 1997-Up Ford 8.8" IFS - Gear Package w/ Master Bearing Kit – Rigid Axle


1997-Up Ford 8.8" IFS - Gear Package w/ Master Bearing Kit

$1,025.02 $522.45

F8.8IFS-331-RA F8.8IFSMK-A

Gear & Install Package

Rigid Axle

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Ford 8.8" IFS - Gear Package


Package Includes:

(1) Ring and Pinion Gear Set (Choose Ratio Above)
(1) Differential Master Bearing Install Kit (Choose Axle Spline Count Above)

- *Note: This gear package with master bearing install kit fits 1997 and up Ford 8.8" IFS front differential housings with 28 spline or 31 spline front axles. From 1997 to 2008, the axle spline count is 28. From 2009 and up, the axle spline count is 31. Contact support if you need help figuring out what front axles spline count you have.

- Rigid Axle's aftermarket ring and pinion gear sets are made from heat treated 8620 steel. Our aftermarket gear set is made using a five-cut, face milled manufacturing process. Once set up correctly, this will give a square contact pattern on the drive and coast side of each tooth. We are proud of our ring and pinion lines, and you will be too!

- Remember to properly break in your new gear set! Click here for instructions!

- Our Master overhaul kits come with everything you need to replace, modify, or rebuild your differential. This will allow you to get the job done quicker, and cheaper at the end of the day. Rigid Axle master bearing install kits include:

  • Both (Inner & Outer) Pinion Bearings and Races
  • Carrier Bearings and Races
  • Pinion and Carrier Shims
  • Pinion Seal
  • Pinion Nut
  • Ring Gear Bolts
  • Crush Sleeve
  • Complete Shims
  • Threadlocker
  • RTV Sealant or Cover Gasket

- Rigid Axle is proud to offer our customers a full line of differential, transfer case, and transmission parts. We specialize in complete rebuild kits for domestic cars and trucks. Give us a call with your year, make, and model and we'll build you a custom kit for your build!


  • Ford F-150 1/2 Ton (1997-2019)
  • Ford Expedition (1997-2014)
  • Ford F-150 Raptor Edition (2010-2015)
  • Ford F-250 3/4 Ton (1997-1999)
  • Lincoln Mark LT (2006-2008)
  • Lincoln Navigator (1998-2014)


  • Differential Model: Ford 8.8 IFS"
  • Cover Bolt Quantity: 10
  • Carrier Breaks: None
  • Carrier/Axle Spline Count: 28 or 31
  • Ring Gear Bolt Quantity: 10
  • Ring Gear Diameter: 8.8"
  • Ring Gear Rotation: Reverse
  • Ring Gear Material: 8620 Steel
  • Ring Gear Bolt Size: 7/16" x 20 RH
  • Pinion Diameter: 1.626"
  • Pinion Spline: 30
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