Features/Benefits

• 8.8" Ford 3.31 Rear Ring & Pinion, Install Kit, 28 Spline Posi, 2.25" 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.
• This particular Kit contains a 3.31 Ring & Pinion Gear Set
• For Applications with 10 Bolt Rear Cover and 10 Bolt Ring Gear
• Inner Pinion Bearing has a 3.250" Outside Diameter
• Pro Kits feature the highest quality components and are backed by the best warranty in the business.
• 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.
• The Gear and Install Kit Includes Axle Bearings & Seals
• The Gear and Install Kit Includes Yukon Dura Grip Clutch Style Limited Slip (LSD)
• All Positraction units are fully rebuildable.
• The Ring Gear Diameter is 8.8"

• OEM Part Number: YGK2221
• Associated Years: 1979-2004
• Item Quantity Size: 1 KT
• Shipping Dimensions (LxWxH): 20in x 16in x 14in
• Weight: 40 pounds

• Tariff Code: 8708996890

• Keywords: Differential Ring and Pinion, Rear Axle & Differential