Jeep YJ Axle Kit - Front - Yukon Gear & Axle - 4340 Chromoly & Grizzly Locker - `84-`06. This front axle kit is a complete Yukon Gear & Axle assembly engineered for off-road enthusiasts who want stronger, heavier-duty axles and a selectable locker option for Dana 30 applications.

The kit includes high-tensile 4340 chromoly inner and outer axle shafts manufactured with cold roll formed splines and advanced induction coil heat treating for improved strength and wear resistance. Designed to fit Dana 30 front differentials in Jeep YJ, TJ, XJ and ZJ models, it comes with Yukon Grizzly Locker (for 3.73 gear ratios and up), Yukon Super Joints, vacuum disconnect block-off kit, carrier bearings and races, and all necessary hardware for installation. Note: Yukon Super Joints require more maintenance and are not recommended for daily-driven vehicles.

Features

• 4340 chromoly inner (30-spline) and outer (27-spline) axle shafts
• Cold roll formed splines and induction heat treating for improved durability
• Yukon Grizzly Locker (fits 3.73 & up)
• Includes Yukon Super Joints, carrier bearings, races and installation hardware
• Fits Dana 30 front on Jeep YJ/TJ/XJ/ZJ models

If you have questions or want to confirm fitment for your build, call us directly — we’re happy to help. We have two locations offering installation and customization services: Austin, Texas and the Los Angeles, California area. Call 512-982-9393 (TX) or 562-981-6800 (CA) to speak with a technician or to schedule installation. If you’re considering purchasing multiple items, contact us for possible shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov