# Yukon 8.8in Ford 3.31 Rear Ring & Pinion Install Kit 31 Spline Positraction 2.53in Axle Bearings Yukon Gear Kits combine all the parts you need for your re-gear project. It delivers front and rear ring and pinion gear sets and the proper Yukon Master Overhaul Kits in one single part number. Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacting specifications and quality standards. These kits contain the gears, bearings, and all the small parts needed to fully rebuild your differential(s) and come in ratios from 3.73 to 5.38. Yukon offers its Y.E.S. Plan, a lifetime, comprehensive, no-questions-asked protection plan covering your gear set kit for as long as you own your vehicle.If you are thinking about increasing tire size, looking for more towing power, enhancing off-road prowess, or just replacing worn gears, these convenient combo kits have everything your vehicle will need. Save money and time by letting Yukon pair the right high-quality gears with most comprehensive installation kits you can buy, all with one simple mouse click. - Pro Kits include premium Yukon ring and pinion sets, Yukon Master Install kits with high quality Timken bearings and the necessary small parts required to get vehicles off the lift and back on the road quickly. - Yukon Pro Kits offer premium differential repair & performance parts in several convenient packages to save time and money by including everything you need in one simple part number. - The Gear and Install Kit Includes Yukon Dura Grip Clutch Style Limited Slip (LSD); All Positraction units are fully rebuildable. - Gear/Install Kit Incl. Yukon Dura Grip Clutch Style Limited Slip \[LSD\]; All Positraction Units Are Fully Rebuildable - Pro Kits Incl. Premium Yukon Ring/Pinion Sets; Yukon Master Install Kits w/High Quality Timken Bearings - Pro Kits Incl. The Necessary Small Parts Required To Get Vehicles Off The Lift/Back On The Road Quickly - Pro Kits feature the highest quality components and are backed by the best warranty in the business. - Pro Kits Feature The Highest Quality Components And Are Backed By The Best Warranty In The Business - Yukon Pro Kits Offer Premium Differential Repair Performance Parts In Several Convenient Packages - Save Time/Money By Including Everything You Need In One Simple Part Number - For Applications with 10 Bolt Rear Cover and 10 Bolt Ring Gear - For Applications w/10 Bolt Rear Cover And 10 Bolt Ring Gear - This particular kit contains a 3.31 Ring & Pinion Gear Set - The Gear and Install Kit Includes Axle Bearings & Seals - This Particular Kit Contains 3.31 Ring Pinion Gear Set - The Gear And Install Kit Includes Axle Bearings Seals - Inner Pinion Bearing Has 3.250 in. Outside Diameter - Inner Pinion Bearing has a 3.250" Outside Diameter - The Ring Gear Diameter Is 8.8 in. - The Ring Gear Diameter is 8.8" This Part Fits: Year Make Model Submodel 1983-1993 Ford Bronco Custom 1985-1996 Ford Bronco Eddie Bauer 1990-1996 Ford Bronco XL 1983 Ford Bronco XLS 1984-1992,1994-1996 Ford Bronco XLT 1983,1993 Ford Bronco XLT Lariat 1992 Ford Bronco XLT Nite 1995-1996 Ford Bronco XLT Sport 2003-2006 Ford E-150 Base 2006 Ford E-150 Chateau 2006 Ford E-150 XL 2006 Ford E-150 XLT 2003-2005 Ford E-150 Club Wagon Chateau 2003-2005 Ford E-150 Club Wagon XL 2003-2005 Ford E-150 Club Wagon XLT 1992-2002 Ford E-150 Econoline Base 1987-1991 Ford E-150 Econoline Custom 1987-2000 Ford E-150 Econoline XL 1992-2002 Ford E-150 Econoline Club Wagon Chateau 1987-2000 Ford E-150 Econoline Club Wagon Custom 1987-1991,2001-2002 Ford E-150 Econoline Club Wagon XL 1987-2002 Ford E-150 Econoline Club Wagon XLT 1991-2002 Ford Explorer Eddie Bauer 1995 Ford Explorer Expedition 1993-2002 Ford Explorer Limited 2000-2002 Ford Explorer Postal 1991-2000 Ford Explorer Sport 1991-1999 Ford Explorer XL 2000-2001 Ford Explorer XL Fleet 1999-2002 Ford Explorer XLS 1991-2002 Ford Explorer XLT 2005 Ford Explorer Sport Trac Adrenalin 2001 Ford Explorer Sport Trac Base 2002 Ford Explorer Sport Trac XL 2003-2005 Ford Explorer Sport Trac XLS 2003-2005 Ford Explorer Sport Trac XLT 1983-1986,1997-2000 Ford F-150 Base 1987-1992 Ford F-150 Custom 1995-1996 Ford F-150 Eddie Bauer 2000-2003 Ford F-150 Harley-Davidson Edition 2001-2003 Ford F-150 King Ranch 1997-2003 Ford F-150 Lariat 1993-1995,1999-2003 Ford F-150 Lightning 1995-1996 Ford F-150 Special 1983-2003 Ford F-150 XL 1983 Ford F-150 XLS 1983-1984,1993-2003 Ford F-150 XLT 1985-1992 Ford F-150 XLT Lariat 2004 Ford F-150 Heritage SVT Lightning 2004 Ford F-150 Heritage XL 2004 Ford F-150 Heritage XLT 2005-2010 Ford Mustang Base 2008-2009 Ford Mustang Bullitt 2005-2010 Ford Mustang GT 2007-2008 Ford Mustang Shelby GT 2007-2010 Ford Mustang Shelby GT500 2008-2009 Ford Mustang Shelby GT500KR 2001-2004 Ford Ranger Edge 1999-2002 Ford Ranger EV 2005-2009 Ford Ranger FX4 2002 Ford Ranger Postal 2004 Ford Ranger Tremor 1999-2004 Ford Ranger XL 1999-2004 Ford Ranger XLT ## Details - **Price:** 2149.1 CAD - **Vendor:** Yukon Gear & Axle - **Type:** Differential Install Kits ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 2149.10 CAD | In stock | --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/yukon-8-8in-ford-3-31-rear-ring-pinion-install-kit-31-spline-positraction-2-53in-axle-bearings) > Updated: 2026-06-28