Jeep ZJ Axle Kit - Front - Yukon Gear & Axle - 4340 Chromoly + Grizzly Locker - `84-`06

Jeep ZJ Axle Kit - Front - Yukon Gear & Axle - 4340 Chromoly + Grizzly Locker - '84-'06. A complete front Dana 30 axle kit built with 4340 chromoly components and a Yukon Grizzly locker, designed for Jeep TJ/XJ/YJ/ZJ applications from 1984–2006.

This kit delivers heavy-duty axle shafts and a selectable locker to improve traction and durability for trail and street use. Yukon axles are made from high-tensile 4340 chromoly with cold roll formed splines and advanced induction coil heat treating to increase strength and wear resistance. The package is intended to replace Dana 30 front components and includes the hardware needed for installation on compatible vehicles.

Features

• 4340 chromoly inner and outer axle shafts for improved tensile strength
• 30-spline inner and 27-spline outer configuration (Dana 30)
• Yukon Grizzly locker (fits 3.73 ratio and up)
• Includes vacuum disconnect block-off kit for front axle disconnects
• Supplied with 1310/Spicer U-joints, carrier bearings and races
• Cold roll formed splines and advanced heat treating for durability
• Fits Jeep TJ, XJ, YJ and ZJ Dana 30 front differentials (1984–2006)

This axle kit is a straightforward upgrade for enthusiasts looking to strengthen their front end and add a robust locker option without guessing about components. If you have questions about fitment, gear ratios, or installation, call us any time — we can help you confirm compatibility. We have two service locations offering installation and customization: Austin, Texas and the Los Angeles, California area. Call: 512-982-9393 (TX) or 562-981-6800 (CA).

If you are considering purchasing multiple items, contact us for possible shipping discounts. We install on premises at both locations.