Yukon Gear 30 Spline 4340 Chrome-Moly Axle & Grizzly Locker Kit For Jeep TJ / XJ / YJ & Zj

Yukon high-performance axles are built with high-tensile strength 4340 chromoly, use superior production methods that include cold roll formed splines, and feature advanced induction coil heat treating to create an axle of unmatched quality and durability.

Additional Information

Yukon performance axles are built with high-tensile strength 4340 chromoly; use superior production methods that include cold roll formed splines; and feature advanced heat treating to create an axle of unmatched quality and durability.

Part Type

Drive Axle Shaft Assembly

These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.

• 30 Spline Inner And 27 Spline Outer
• Features heavy duty 4340 chromoly axles
• Fits Dana 30 front differential
• Fits Dana Spicer 30 In XJ; YJ And TJ
• Includes a 3.73-and-up gear ratio Yukon Grizzly Locker
• Includes Inner And Outer 4340 Chromoly Axles; Yukon Super Joints; Yukon Grizzly Locker; Carrier Bearings And Races
• Includes Super Joints and hardware
• Includes two 27 spline outer axles
• Includes two 30 spline inner axles
• Includes Yukon Vacuum Disconnect Block-Off Kit

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Product Details

Product Downloads

#	Document Type	Download
1.	Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Reference Information

Yukon 30 spline 4340 Chrome-Moly axle & Grizzly Locker kit for Jeep TJ, XJ, YJ & ZJ.

Yukon Gear & Axle Grizzly lockers offer fierce power! These robust lockers are the ultimate mechanical locking differentials, replacing your entire carrier assembly. Yukon Grizzly lockers feature forged cases with 8620 internals and a patent-pending internal locking mechanism for maximum strength. Assembled in the USA, these lockers will provide 100 percent power to both your tires, while still allowing for disengagement while negotiating turns. Whether your application is for the street, off-road, or drag racing, Yukon Gear & Axle Grizzly lockers will have your rig roaring with performance.