Yukon Gear & Axle YGK2233 8.875in GM 12 Bolt 3.73 Rear Ring & Pinion Pro Kit with Dura Grip Posi and Axle Bearings

The Yukon Gear & Axle YGK2233 is a complete Pro Kit package for the GM 8.875" 12 Bolt Truck rear differential, combining a 3.73 ratio ring and pinion gear set, a Yukon Master Install Kit, a 30-spline Dura Grip clutch-style limited slip positraction unit, and application-specific axle bearings and seals — everything needed for a full differential re-gear or rebuild in a single part number.

Ring & Pinion Gear Set:

• Designed for the GM 8.875" 12 Bolt Truck differential with 12-bolt rear cover and 12-bolt ring gear
• 3.73 gear ratio ring and pinion set
• 8.875" ring gear diameter
• Manufactured using advanced heat-treating techniques and state-of-the-art design processes to ensure precise surface finish and structural integrity

Yukon Master Install Kit:

• Includes Timken carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve, thread locker, marking compound with brush, and gasket
• Contains all the small parts required to get the vehicle off the lift and back on the road quickly

Yukon Dura Grip Limited Slip Positraction (30 Spline):

• Clutch-style limited slip differential (LSD) providing smooth yet aggressive traction across a wide variety of terrains
• Built with a high-strength nodular iron case, forged 4320 chromoly spider gears, and composite clutches
• Fully rebuildable design — assembled in the USA
• Compatible with 3.73-and-up gear ratios and 30-spline axles

Axle Bearings & Seals:

• Application-specific axle bearing and seal kit included
• Specially designed for the GM 12 Bolt Truck axle application using high-quality bearings and seals

Yukon Y.E.S. Plan Warranty:

• Backed by Yukon's Extended Service Plan — a no-questions-asked, lifetime replacement warranty for as long as you own the vehicle

This all-in-one Yukon Pro Kit simplifies the re-gear process by consolidating every required component into one convenient part number. Whether upgrading for larger tires, improving towing performance, or rebuilding a worn differential, the YGK2233 delivers premium quality and complete coverage for the GM 8.875" 12 Bolt Truck rear end.