RockJock 44 Crate Axle Front With Detroit Locker And 4.88 Gears Jeep Wrangler JK 2007-2018



  • Extreme Offroad Durability
  • Direct Bolt-In Solution
  • Stock Width And Bolt Pattern
  • 4.88 Gear Ratio
MSRP $4,364.00
You save $218.20

RockJock 44 Front Crate Axle With Detroit Locker And 4.88 Gears for 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 and 2018 Jeep JK Wranglers.

The RockJock 44 JK front crate axle (CE-KF4401D48) delivers superior strength in a light-weight package that's designed for heavy off-road use in your Wrangler. Built to a premium standard with reinforced center section, large diameter tubes and forged knuckles the RockJock 44 eliminates the common failure points of the stock JK front axle.

Features and Benefits:
- RockJock high-pinion nodular-iron center section with thicker high-strength walls and webbing
- Detroit Locker provides great offroad traction
- Large 3 inch diameter .375 inch thick wall axle tubes are more than twice as strong as stock
- RockJock heavy duty forged inner knuckles, designed for use with up to 37 inch tall tires
- 4340 Chromoly axles provide superior strength over OEM axles
- RockJock nodular-iron differential cover to defend against those unfortunate rock encounters
- Upper control arm mounts feature rebuildable Johnny Joints for improved articulation
- Lower control arm mounts are one piece construction with integrated skid plates

The RockJock 44 front crate axle is a direct bolt-in solution that reduces the overall cost by enabling you to retain the complete stock outer knuckle assemblies (brakes, hubs etc.) and stock wheel bolt pattern.

Please Note:
- Recommended maximum 37-inch tire size due to the inherent limitations of the stock brakes, wheel bearings, and axle U-joints.

- Center Section: RockJock 44 high-pinion nodular-iron center section
- Gear Set: 4.88 - Larger/stronger Dana 44 8.8 inch late model JK ring and pinion set
- Pinion Yoke: 1350 U-joint
- Differential Cover: RockJock nodular-iron cover with gasketed fill plug with dipstick, Red
- Axle Tubes: 3 inch diameter, .375 wall DOM tube
- Axles: 4340 chromoly inner/outer axles with 1350 u-joints
- Knuckles: RockJock heavy duty forged inner knuckles with ball joints installed
- Suspension Brackets: Heavy gauge 3/16 inch laser cut steel brackets
- Control Arm Mounts: Upper control arm mounts include rebuildable Johnny Joints, Lower control arm mounts are 1 piece construction with integrated skid plate
- Geometry: Optimized for 4 inch lift kit with 5 degrees of pinion angle to reduce driveshaft angle and 5 degrees of caster for improved steering
- Width: 65.375 inches between wheel mounting surfaces (stock JK width)
- Wheel Bolt Pattern: 5 on 5 inch with 1/2 inch studs (standard JK pattern)

California Residents: Proposition 65 Warning

Vehicle Fitment

This product will fit the following Wrangler years:

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