The Currie Extreme 60 front and rear axle set for the Jeep Wrangler JL, is designed for severe off-road use with tires up to 40-inches and V8 horsepower. The high-pinion design features Currie's exclusive rotated center section with ring gear load-bolt, a combination that delivers superior obstacle slide-over and unmatched gear strength. If you seek out the most challenging routes and toughest obstacles to conquer, the Extreme 60 axle set is a natural choice.

Axle Set Details:

Fully Assembled Extreme 60 High-Pinion Front And Rear Axle Assemblies

70-Inch Width Provides Improved Clearance For Large Tires

8-Lug Wheel Bolt Pattern For Ultimate Reliability

Satin Black Powder Coat Finish For Long Lasting Protection

Choice Of Selectable Locker And Gear Ratio

Exclusive Extreme 60 Features:

High-Clearance Center Section With Rotated Cover Improves Obstacle Slide-Over

High-Pinion Design Raises The Driveshaft By 2-Inches For Additional Clearance

Ring Gear Load Bolt Prevents Deflection To Deliver Maximum High-Pinion Gear Strength

High Volume Flow-Thru Pinion Oiling System Keeps Bearings Bathed In Cool Oil

Rock Slider Low-Friction Skid Plate Sides Over Trail Obstacles With Ease

The Extreme 60 high-pinion axle set for the 2020 and newer Jeep Wrangler JL, includes complete bolt-in front and rear axle assemblies with all required brackets and mounts in place. The vehicle's factory driveshafts will require modification or replacement to accommodate the larger 1350 series u-joint and 60 series housing

Extreme 60 Axle Features:

Extreme 60 high-pinion nodular iron center section is the strongest 60 series casting we offer, with heavier main caps, ARP® main bolts, more reinforcement in critical areas over the already strong Currie 60 center

Load Bolt - Ring gear load bolt (top left) eliminates gear deflection, to dramatically increase torque handling capacity. The load bolt typically sits .002 inch from the ring gear and only touches when extremely high torque loads are applied

Extreme 60 high-pinion radius bottom center section delivers unmatched ground clearance, and improved obstacle slide-over by presenting a smooth curve rather than the sharp edge found on other 60 housings - Replaceable AR400 hardened steel skid plate resists deformation and gouging to slide over obstacles far better than iron housings or mild steel plates

High volume flow-thru recirculating oil system keeps pinion bearings bathed in cool oil, reducing operating temperatures and eliminating oil starvation issues

Large 3.5-inch diameter .375 wall axle tubes (left) are more than three times stronger than the factory Dana® 44 (right) without being overweight or sacrificing ground clearance

Powder Coat - Black satin powder coat finish adds long-lasting protection against rust and corrosion to keep your Currie Extreme 60 looking its best

Extreme 60 Front Features:

Front axle steering geometry is optimized for large tires and lifted vehicles with increased caster and pinion angles

The included heavy-duty tie rod features a 1.375 in. OD x .375 wall heat-treated chromoly tube and 1-ton forged rod ends that are designed to withstand off-road abuse and large tires

Massive forged 1-ton inner knuckles (right) are designed to stand up to the severe punishment and large tires without flinching

Upper control arm mounts feature rebuildable Johnny Joints® for maximum suspension articulation with unsurpassed durability

Rock-proof Currie nodular iron front cover protects expensive internals, adds structural support to the housing's face flange, and locates the driver’s side upper control arm mount

13.25-inch diameter vented rotors and dual-piston calipers provide the increased brake capacity required for stopping large tires

Warn® premium manual locking hubs are the industry standard for durability and reliability

Extreme 60 Rear Features:

Desert race-inspired 2-inch heat-treated chromoly spindles and billet steel full-floating hubs carry the weight of the vehicle, eliminating the influence of side loading and impact shock on axle durability. Safety is improved as the wheel and brake remain in place and fully functional in the rare event of an axle failure

Currie Performance double splined full-floating heat-treated chromoly axles provide superior strength and durability over traditional flanged floater axles

Modified JL OEM backing plates and parking brake assemblies provide reliable operation with broad availability of serviceable wear items

Rock-proof Currie nodular iron cover protects expensive internals and adds structural support to the housing's face flange for increased rigidity

Specifications:

Housing - Extreme 60 Nodular Iron High-Clearance Center Section with Rotated Cover, Ring Gear Load Bolt and Integrated Skid Plate

Bearing Caps -Increased cross section nodular iron caps secured with ARP® fasteners

Pinion Oiling -High volume flow-thru recirculating oil system

Gear Set -Dana 60™ reverse rotation thick gear sets (compatible with super 60 reverse cut gears)

Differential Carrier -Only high speed differential carriers (designed for low numerical gears) are used, enabling the use of stronger thick ring gears for all gear ratios. Carrier outside diameter is turned down to 8.30 inches for load bolt clearance

Ring Gear Load Bolt -Eliminates ring gear deflection under heavy load (3/4"-16 right hand thread with Jam nut)

Pinion Yoke -1350 u-joint

Skid Plate -AR400 hardened steel skid plate

Differential Cover -Currie nodular-iron cover, Red

Axle Tubes -3 1/2 inch diameter, .375 wall DOM tube

Suspension Brackets -Heavy gauge 3/16 steel mounting brackets

Width -70-inches wide (between wheel mounting surfaces)

Wheel Bolt Pattern -8-lug (8 x 6.5 in.) with 9/16 studs

Finish -Black satin powder coat

Axles -Currie Performance 35-spline (1.5 in. diameter) 4340 Chromoly inner and outer axle shafts with 1480 u-joints

End Forgings - Currie 1-ton heavy-duty forged steel inner C’s

Steering Knuckles - Currie 1-ton nodular iron steering knuckles machined and keyed for high-steer arms

Unit Bearings - 1-ton unit bearings with tone rings installed for ABS and ESP retention

Hubs - Warn Premium locking 35-spline hubs

Brake Rotors - 13.25-inch vented rotors with zinc plated caliper brackets

Brake Calipers - F-350 Dual-piston calipers

Tie Rod - 1-ton 1.357 in. OD x .375 wall heat treated chromoly tube with forged tie rod ends

Control Arm Mounts - Currie Johnny Joints® installed with ½” greasable bolts

Geometry - Optimized for vehicles with 3 to 4-inches of lift (5 degrees of pinion angle and 5 degrees of caster angle)

Trac Bar Mount - Integrated raised track bar and ram-assist mount. Trac bar mount height set for 3 to 4 inch lift, ram-assist mount setup for PSC 8-inch travel ram

Axles - Currie Performance double splined full-floating (35-spline 1.5-inch diameter) 4340 heat-treated chromoly

Floater Spindle - Currie Performance 2.5-inch heat-treated 4140 Chromoly spindles, supports 35 or 40-spline axles

Floater Hub Currie Performance billet full-floating hubs with 35-spline drive flanges, tone rings installed for ABS and ESP retention

Brake Rotors - Upgraded 13.750-inch vented rotors

Brake Calipers - Jeep Gladiator rear calipers

Parking Brake - Modified JT OEM backing plate and parking brake assembly

Geometry - Optimized for 4-inchs of lift with 5 degrees of pinion

Notes

ABS Sensors - Axles do not include ABS sensors, the factory sensors from the stock axles must be retained and installed on the Extreme 60 front and rear housings

Computer Programming: A programmer is required to reset the gear ratio and tire height settings in the vehicle's computer for the proper function of the vehicles stability control and transmission shift points when larger than stock tires are installed

Brake Upgrade: The big brake kit included with the Extreme 60 uses 13.25-inch rotors and F350 dual-piston calipers in the front and 13.75-inch vented rotors in the rear to provide the stopping power required for large tires

Wheel and Tire Size: 17-inch or larger wheels are required for proper clearance of the brake calipers. The maximum recommended tire size is 40-inches

Overall Width: Axle width is 70-inches between wheel mounting surfaces. Additional width improves turning angle with 37-inch and larger tires

Steering Stabilizer: The Extreme 60 ram assist bracket requires an aftermarket stud style trac bar bolt to accommodate a steering stabilizer. Trac bar bolts are available from FOX Racing P/N 803-02-028 or Synergy Manufacturing P/N 8806-01

Differential Carriers: Carriers provided by Currie for the Extreme 60, are turned down to 8.300" O.D. for load bolt clearance. If a standard O.D. carrier is installed the load bolt will need to be backed out to prevent damage