ClickCease 2010-2014 Ford 8.8" 10 Bolt - Gear and Limited Slip Posi Package w/ In – Rigid Axle


2010-2014 Ford 8.8" 10 Bolt - Gear and Limited Slip Posi Package w/ Install Kit

$824.00 $585.00

POSI-F8.8-31-RA F8.8-355-RA F8.8MK-B

Positraction, Gear & Install Package

Rigid Axle

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Ford 8.8" 10 Bolt Gear & Posi Package


Package Includes:

(1) Limited Slip Positraction Carrier
(1) Ring and Pinion Gear Set (Choose Ratio Above)
(1) Differential Master Install Kit

- *Note: 2010-2014 Mustang's, and 2009-2010 F150's use a 3.250" OD inner pinion bearing race. 2011-2015 F150's use a 3.544" OD inner bearing race. Please select what model you are working on above to ensure you receive the correct inner pinion bearing size!

- Our Rigid Axle Eaton style limited-slip positraction unit uses carbon fiber and steel friction plate technology for smooth and aggressive traction. The carrier case is forged steel for strength and reliability. Because this carrier is an eaton style clutch posi, it can be rebuilt and serviced. Our Rigid Axle positraction is the perfect choice for daily drivers, weekend warriors, towing, basic off-road use, and street/strip applications. See below for some key features and tech specifications:

  • Fully Machined, Forged Steel Case
  • Carbon-Fiber and Steel Clutches
  • Serviceable & Rebuildable Design
  • 2 Year / 100,000 Mile Warranty
  • Non-Synthetic GL-5 Gear Oil Recommended
  • Friction Modifier Required

- Rigid Axle's OE Dry 2-Cut and aftermarket ring and pinion gear sets are made from heat treated 8620 steel. Our OE Dry 2-Cut ring and pinions are made using a two-cut, face hobbed manufacturing process. The advantage to running a 2-Cut gear is how quiet they operate. If you want a guaranteed quiet gear, upgrade to our Dry 2-Cut gear set! When these gears are set up properly and rolled with gear marking compound, the pattern will show up slanted. 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) High Quality Koyo Pinion Bearings and Races
  • High Quality Koyo Carrier Bearings and Races
  • Pinion and Carrier Shims
  • Pinion Seal
  • Pinion Nut
  • Ring Gear Bolts
  • Crush Sleeve and Preload Shims
  • Loctite
  • 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 Mustang (2010-2014)
  • Ford F-150 1/2 Ton (2009-2014)


  • Cover Bolt Quantity: 10
  • Differential Model: Ford 8.8"
  • Carrier Type: Eaton Clutch Style
  • Carrier Spline Count: 31
  • Pinion Shaft Diameter: 1.626 Inch
  • Pinion Spline Count: 30
  • Ring Gear Bolt Quantity: 10
  • Ring Gear Diameter: 8.8 Inch
  • Ring Gear Material: Heat Treated 8620 Steel
  • Ring Gear Rotation: Standard
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