Currie RockJock® front and rear Built-To-Order Axle packages take the guesswork out of upgrading the running gear of your Jeep JK. They feature the same race-winning strength and technology found in on our custom axles with the simplicity of selecting compatible options from a series of drop-down lists.
Custom Configured Axles– More Options, Custom Built For You
Custom Configured axles provides a highly customizable approach to bolt-in axle packages, with a long list of options to choose from, including RockJock 60, 60VXR, 70 and F9 series axles, overall axle width, wheel bolt patterns, axle diameter, brake packages and a broad selection of gear ratios and locker options, Custom Configured axles can be built to meet almost any need. Lead times typically range from 4 to 6 weeks depending on the factory production load.
RockJock 44 - Designed for heavy off-road use, stock horsepower and up to 37” tall tires
The RockJock 44 provides a significant strength and reliability upgrade over the stock JK 30/44 series axles at a price point that won't break the bank. With its strong reinforced nodular iron center section, heavy-duty 3-inch axle tubes and heavy forged knuckles (up front), the RockJock 44 is ready for adventure. Retains the stock axle width and factory 5 on 5-inch wheel bolt pattern so you can keep those nice wheels that you've already purchased
RockJock 60 - Designed for heavy off-road use, V8 horsepower and up to 37” tall tires
The RockJock 60 features the Currie exclusive high pinion nodular iron radius bottom center section for improved obstacle slide over, heavy-duty 3-inch tubes and the industry's strongest standard axle offering (full 35-spline inner/outer front and 40-spline semi-floating rear axles), the RockJock 60 is the clear choice for serious off-road use. Increases axle width to 68.75-inch between wheel mounting surfaces for improved tire clearance. The front axle features 5 on 5.5-inch wheel lug pattern, rear axles are dual drilled with both 5 on 5-inch (to match stock JK front axles) and 5 on 5.5-inch (match RockJock 60 front)
RockJock 60VXR - Designed for severe off-road use, V8 horsepower and up to 40” tall tires
The RockJock 60VXR is loaded with Currie exclusive features that make it the strongest high pinion 60 series crate axle available. Features include: a stage-2 high pinion nodular iron radius bottom center section with additional reinforcement in critical areas, integrated ring gear load bolt that minimizes deflection and maximizes gear mesh under high torque loads, larger diameter axle tubes, big 13-inch rotors with dual piston calipers and full-floating rear axle design that make the RockJock 60VXR the natural choice for big tires and severe off-road use. Axle width is increased to 70-inches (between wheel mounting surfaces) for improved tire clearance and turning angle, available with 5, 6 or 8 lug wheel bolt pattern for both front and rear axles
RockJock 70 - Designed for extreme off-road use, performance V8 horsepower, and 40"+ tall tires
The RockJock 70 is the undisputed king of crate axles, and simply the strongest high-pinion bolt-in axle available anywhere! Built to the legendary Currie Standard and loaded with exclusive features, including: RockJock radius bottom center section, Currie custom alloy gears with massive 35-spline pinion shaft, integrated ring gear load bolt, 4340 chromoly axles, big brakes and much more; the RockJock 70 is designed to handle high torque loads and aggressive driving without flinching. The RockJock 70’s strength is competition proven, with multiple Ultra4 race wins and numerous top 10 finishes to its credit, including 4 King of the Hammers Every Man Challenge wins and a first overall win at the King of Portugal, accomplishments that are unmatched by any other crate axle on the planet! Axle width is increased to 70-inches (between wheel mounting surfaces) for improved tire clearance and turning angle, available with 5, 6 or 8 lug wheel bolt pattern for both front and rear axles
If you have any questions or are looking for something different, please do not hesitate to call and speak with one of our experts. We've been building custom axles for on and off-road vehicles since 1959 and are ready to help build your perfect axle.
Select a Category Below to Build Your Own Jeep JK Axle Package!