Free Shipping on Orders Over $75. Details

Talk to Wrangler Enthusiasts
M-F 8:30A-11P, Sat-Sun 8:30A-9P
Win $6,000 In Store Credit Enter Now

Currie RockJock 44 Front Crate Axle w/ Detroit Locker; 5.38 Ratio (07-18 Jeep Wrangler JK)

Item J120303
ExtremeTerrain no longer carries the Currie RockJock 44 Front Crate Axle w/ Detroit Locker; 5.38 Ratio (07-18 Jeep Wrangler JK). Please check out Jeep Axles & Hubs for an updated selection.
Call a Wrangler Enthusiast at 1-877-870-8556
M-F 8:30A-11P, Sat-Sun 8:30A-9P

    Product Information

    Features, Description, Specs & Installation


    • For Heavy Off-Road Use
    • 3.0 in. Diameter .375 in. Wall DOM Steel Tube
    • Superior 4340 Chromoly Axles
    • Tough Nodular Iron Differential Cover
    • Black Satin Powder-Coat Finish
    • 65.375 in. Axle Length Between Wheel Mounting Surfaces – Stock JK Width
    • 30-Spline Inner/Outer Axles
    • Standard JK Bolt Pattern: 5x5 inches
    • Features Currie Reinforced Center Section
    • Comes with 1350 U-Joints
    • Kit Includes Detroit Locker
    • 5.38 Ring and Pinion Gear Ratio
    • Direct Fit Axle Swap
    • Reuses Outer Knuckle Assemblies
    • Optimized for 4-inch Lift Vehicles
    • Includes Front Driver and Passenger Side Axles
    • 2-Year Limited Warranty
    • Fits 2007 to 2018 Jeep Wrangler JK Models


    Upgrade for Extreme Off-Road Performance. While the JK is an excellent off-road vehicle it can be made great with the Currie RockJock 44 Front Crate Axle with Detroit Locker. It has outstanding strength and durability that's fit for rock crawling. Additionally, it features a 5.38 gear ratio for improved off-road performance.

    Designed and Built to Currie Standard. Currie made the RockJock 44 to their legendary superb quality standards. Made from high-grade materials the axle is extremely tough and has various features that help it against off-road hazards.

    Expertise Required. The RockJock 44 is a direct fit axle swap kit and requires mechanical expertise to install and professional installation is recommended. Additionally, a computer re-tune is required.

    2-Year Limited Warranty. The Currie RockJock 44 Front Crate Axle with Detroit Locker is warranted to be free of defects in materials and workmanship. Any alteration or improper use voids the warranty. Other exclusions will apply.

    Application. The  Currie RockJock 44 Front Crate Axle with Detroit Locker and 5.38 gear ratio is designed to fit 2007 to 2018 Jeep Wrangler JK models.

    Application Note. Recommended for optimization of 4-inch lifted vehicles is to set pinion angle to 5 degrees to reduce driveshaft angle. Additionally, 5 degrees of caster for improved steering. Due to limitations of the stock brakes, bearings, and wheel u-joints, maximum tire size is 37 inches.

    Please Note. Currie's RockJock Crate Axles are built to order for our customers and because of this, there can be a 3 to 4 week lead time on orders once your information is received.


    CA Residents: WARNING: Cancer and Reproductive Harm -

    Questions & Answers (0 answers)

    No questions about this product yet.

    Ask the First Question

    Installation & What's in the Box

    Installation Info

    What's in the Box

    • (1) Front Axle Assembly with Differential Housing
    • (2) Front Axles Shafts with U-Joints
    • (1) Locker
    • (2) Ball Joints
    • (1) Ring and Pinion Gear Set
    • (1) Yoke
    • Master Overhaul Kit

        Related Wrangler Categories