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Currie Enterprises RockJock 44 Rear Crate Axle for 07-18 Jeep Wrangler JK

Currie has made upgrading the driveline in your Wrangler JK easy with their line of Crate Axles. The RockJock 44 is a rugged yet budget friendly way to turn your daily driver into an extreme off road machine. This axle allows you to run up to 37” tires without running the risk of breaking or bending factory driveline components. Currie designed this crate axle to be a direct bolt in replacement. Factory outer steering knuckles, brakes, and wheels are all compatible with this heavy duty off road axle. The RockJock 44 features a low-pinion nodular-iron center section with thicker walls and webbing that deliver superior strength and rigidity. The axle tubes are 3” diameter and .375” thick which makes them more than twice as strong as the flimsy OEM setup. With optimized driveline geometry in mind, Currie manufactures this axle to have multiple control arm and track bar mounting points. This allows you to dial in your suspension for ultimate ride quality and reduced wear. These axles come outfitted with selectable lockers for improved traction and maneuverability.

Designed for Use With up to 37” Tires This Axle Re-Uses Factory Brake Rotors, Pads, and Calipers Which Limits Tire Size. The RockJock 44 Retains the 5x5 Factory Bolt Pattern, So You Can Keep Your Wheels. Also, the Wheel Mounting Surface (WMS) is the Same as a Factory Wrangler JK at 65.375”

Perfect for Lifted Wranglers Suspension Mounting Points are Optimized For 4” lift with 5 Degrees of Pinion Angle. 3/16” Suspension Mounting Brackets with Multiple Bolt Holes Offer Drive line Geometry Tuning.

Currie High Pinion RockJock 44 Axle Housing Manufactured from Stage-1 Nodular Iron with Thicker Reinforced Walls and Webbing. The 3” Diameter/.375” DOM Axle Tubes That Are Over Twice as Strong as Factory. Includes Red RockJock 44 Nodular Iron Differential Cover with Dipstick.

Upgraded Input Yoke Accepts 1350 U-Joints This Eliminates One of the Common Factory Driveline Points of Failure.

Currie Performance Axle Shafts This Axle Features Semi Float 30 Spline 4140 Chromoly Axle Shafts for Increased Strength and Length of Service

Upgraded Gearing 8.8” Dana 44 Gear Set and Set 20 Tapered Roller Bearings are Larger and Stronger Than Stock. The Improved Gear Set and Locker Provide Additional Power and Traction When and Where You Need It.

Shipping Dimensions: 280 lbs. 82"L x 26"W x 21"H

Installation Notes
Installation Difficulty:
Level 3Advanced
Installation Time: 2-4 hours
Parts Included
  • RockJock 44 Axle Housing
  • Differential Cover
  • Axle Shafts
  • Locker
  • Gears
  • Bearings
  • Seals
  • Hardware
2 Year Limited Warranty
  • Jeep Wrangler 2-Door (JK)

  • 2018 Jeep Wrangler 2-Door (JK)
  • 2017 Jeep Wrangler 2-Door (JK)
  • 2016 Jeep Wrangler 2-Door (JK)
  • 2015 Jeep Wrangler 2-Door (JK)
  • 2014 Jeep Wrangler 2-Door (JK)
  • 2013 Jeep Wrangler 2-Door (JK)
  • 2012 Jeep Wrangler 2-Door (JK)
  • 2011 Jeep Wrangler 2-Door (JK)
  • 2010 Jeep Wrangler 2-Door (JK)
  • 2009 Jeep Wrangler 2-Door (JK)
  • 2008 Jeep Wrangler 2-Door (JK)
  • 2007 Jeep Wrangler 2-Door (JK)
  • Jeep Wrangler Unlimited 4-Door (JK)

  • 2018 Jeep Wrangler Unlimited 4-Door (JK)
  • 2017 Jeep Wrangler Unlimited 4-Door (JK)
  • 2016 Jeep Wrangler Unlimited 4-Door (JK)
  • 2015 Jeep Wrangler Unlimited 4-Door (JK)
  • 2014 Jeep Wrangler Unlimited 4-Door (JK)
  • 2013 Jeep Wrangler Unlimited 4-Door (JK)
  • 2012 Jeep Wrangler Unlimited 4-Door (JK)
  • 2011 Jeep Wrangler Unlimited 4-Door (JK)
  • 2010 Jeep Wrangler Unlimited 4-Door (JK)
  • 2009 Jeep Wrangler Unlimited 4-Door (JK)
  • 2008 Jeep Wrangler Unlimited 4-Door (JK)
  • 2007 Jeep Wrangler Unlimited 4-Door (JK)

Currie Enterprises RockJock 44 Rear Crate Axle Options

Part NumberCatalog #Gear RatioLockerPrice