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Currie Enterprises RockJock 70 Front Crate Axle Assembly for 18-20 Jeep Wrangler JL & Gladiator JT

This RockJock 70 Front Axle Assembly is designed for extreme off-road competitions in your Jeep Wrangler JL. This superior axle assembly is simply the strongest high pinion crate axle available. Offering competition grade 70 gears cut from 9310 alloy that is then heat treated for a hardness that is unsurpassable and long lasting. Engineered to handle 40+ tires and larger engines producing massive amounts of horsepower with ease. Giving you the ability to build a rock crawler tackling the most extreme terrain with pure confidence. It's a Jeep thing and Currie does understand.

RockJock 70 Front Crate Axle Assembly All-Inclusive Specifications:

  • Gear Set - Competition Grade 9310 Gears w/ 35 spline pinion (custom heat treated)
  • Ring Gear Load Bolt - 3/4" 16 RH thread with jam nut (eliminates deflection under load)
  • Yoke Size - 1350 U-joint
  • Axle Tubes - 3.5" diameter / .375 wall DOM tubing
  • Axles - 35 spline count (1.5" diameter) / 4340 Chromoly / 1480 u-joints
  • Knuckles - HD Forged 1 ton with high-steer arm
  • Brakes - 6 lug =13.25" Rotors (1/2 ton) & Dual piston calipers // 8 lug = 13" Rotors (1 ton truck) & Dual piston calipers
  • Correctlync Tie Rods - 1 5/8" diameter (heat treated chromoly)
  • Control Arm Mounts - Johnny Joints pre installed with 1/2" greasable bolts
  • Geometry - 5 degrees pinion angle / 5 degrees caster (optimal for 4" lift)
  • Width - 70" wide (4.6 inches wider than stock)
  • Bolt Pattern Options - 6x5.5 (1/2" studs) or 8x6.5 (9/16" studs)
  • Paint Finish - Black Satin PowderCoat
  • Truck Freight Weight and Dims - 525 lbs / 82"x26"x21"

Ram Mounting Brackets: These come welded to the housing designed specifically for the PSC 8" travel steering ram. (Not compatible with OEM stabilizer)

Extreme Offroad Performance & Strength: Reinforced axle assembly with radius bottom center section allowing your Jeep Wrangler JL to slide over obstacles without getting caught up. A replaceable AR400 hardened steel skid plate helps protect the housing from trail damage. A beast of a forged 1 ton knuckles to endure trail rash and those huge tires. The 1-piece lower control arm mounts offer built in skid plates for offroad protection.

Nodular Iron Diff Cover: Finished in a bold textured red powdercoat protecting the inner workings of the axle assembly. Also the cover locates the driver side upper control arm mount and adds strength to the housing face flange. A build in dipstick on the fill plug provides quick access to check the gear oil level (85W-140).

Ultimate Competition Rock Jock Durability: A high flow oil system that bearings lubed and cool with superior circulation. Keeping all the components properly lubricated for a long lasting dependable assembly. The 3.5" axle tube is 3 times stronger than the factory Dana 44 tube.

Installation Notes
Installation Difficulty:
Level 3Advanced
Installation Time: 4-6 hours
Parts Included

Complete Axle Assembly: Ready to bolt on and fully assembled crate axle

  • RockJock 70 Axle Housing
  • Differential Cover
  • Inner and Outer Axle Shafts
  • High Steer Knuckles
  • Brake Rotors
  • Brake Calipers
  • Ball Joints
  • U-Joints
  • Johnny Joints
  • CurrectLync Tie Rod
  • Locker
  • Ring & Pinion Gears
  • Bearings
  • Seals
  • Installation Hardware
2 Year Limited Warranty
  • Jeep Wrangler 2-Door (JL)

  • 2020 Jeep Wrangler 2-Door (JL)
  • 2019 Jeep Wrangler 2-Door (JL)
  • 2018 Jeep Wrangler 2-Door (JL)
  • Jeep Wrangler Unlimited 4-Door (JL)

  • 2020 Jeep Wrangler Unlimited 4-Door (JL)
  • 2019 Jeep Wrangler Unlimited 4-Door (JL)
  • 2018 Jeep Wrangler Unlimited 4-Door (JL)
  • Jeep Gladiator (JT)

  • 2020 Jeep Gladiator (JT)

Currie Enterprises RockJock 70 Front Crate Axle Assembly Options

Part NumberCatalog #Gear RatioLockerBolt PatternPrice