The Hard Core ProRock 60/60 Axle Set™ is ideal for Jeep Wrangler JK owners who need reliable drivetrain durability after upgrading to large tires, up to 40 inches in diameter. If you're considering a pair of Ultimate Dana 60 axles (also called UD60), you owe it to yourself to look closely at our Hard Core 60/60 Axle Set™! U.S.-made bolt-in JK axle solution than the Dynatrac Hard Core Axle-Set™.

What You Get:

ProRock 60^® Front Axle

• Dynatrac-exclusive patented nodular-iron, high-pinion ProRock 60^® centersection.
• Best-in-class ground clearance and more ground clearance than a factory Dana 44.
• 3.12 x .50-inch-thick wall tubing that is over 3 times stronger than any stock JK Dana 44 housing.
• Dynatrac U.S.-made forged, double heat-treated 1480 35-spline, 1-ton axleshaft assemblies. Comes with our latest inner and outer 4340 shafts with new 1480 U-joints installed.
• Dynatrac HD BallJoints™ already installed; the last balljoints you’ll ever need.
• Dynatrac exclusive Pro 60™ HD wheel ends with our exclusive Stub Hub™, with fixed-spindle and serviceable wheel bearings. A major improvement over the factory unitized wheel bearings assemblies.
• Includes Dynatrac high capacity 13.25-inch brake upgrade with new dual-piston front calipers and vented rotors.
• Includes our latest integrated track bar and ram-assist steering mounting package. Dynatrac now offers the best high-strength steering linkage and integrated ram-assist package in the industry.
• Includes new Dynatrac HD tie rod, 4140 heat-treated steering arm, new Dynatrac DHD™ drag-link sleeve, control arm bushings and CNC laser-cut HD suspension brackets, all professionally welded and installed.
• ProRock housing geometry set up for superior handling with optimal pinion and driveshaft angle for lifted JKs.
• Rock-proof nodular-iron Dynatrac diff cover included.
• Includes Warn premium locking hubs.
• Axle includes your choice of available selectable lockers and 4.88, 5.13 or 5.38 gear sets.

Pro 60™ Full-Float Rear Axle

• Dynatrac Pro 60™ nodular-iron, standard-cut, high-rigidity housing promotes ring-and-pinion gear durability for bigger JK builds.
• 3.5 x .50-inch-thick wall tubing that is 3.5 times stronger than any stock JK Dana 44 rear housing.
• Dynatrac full-floating wheel ends with 1-ton heat-treated fixed spindles, 1-ton wheel bearings and Dynatrac-exclusive 10-bolt flanged floater wheel hubs.
• Equipped with Dynatrac U.S.-made forged, heat-treated, 35-spline, full-floating 4140 alloy-steel shafts.
• Includes Dynatrac 14-inch brake upgrade with single-piston calipers.
• Includes Dynatrac HD mechanical parking brake with adapters for stock JK parking-brake cable attachment.
• Rock-proof nodular-iron Dynatrac diff cover included.
• All HD suspension brackets are CNC laser-cut and professionally welded and installed, including a multiple-position track-bar bracket for long-travel suspension tuning.
• Axle includes ARB lockers and 4.88, 5.13 or 5.38 gear sets.

Both front and rear axles are 68.5 inches wide and have 8 on 6.5 wheel bolt pattern.