Ideal for Jeep JK owners who want unquestionable strength and reliability when running 33- to 37-inch-tall tires and also want to save $1,500 to $2,500 by not buying new wheels when upgrading to stronger axles. You get an assembled ProRock 44™ front axle and ProRock 60® semi-float rear axle, giving you the Confidence to Explore® off-roading with your family with the security of reliable, high-quality, U.S.-made axle assemblies.

What You Get:

ProRock 44™ Unlimited Front Axle

• Dynatrac-exclusive patented ProRock® nodular-iron, high-pinion ProRock 44™ centersection with control arm bushings installed.
• Best-in-class ground clearance and more ground clearance than a factory Dana 30.
• 3-inch-diameter x ½-inch-thick wall tubing that is 3 times stronger than any stock JK Dana 44 housing.
• Dynatrac’s U.S.-made forged, double-heat-treated 1350 axleshaft assemblies are included. You get our latest inner and outer 4340 shafts with new U-joints installed.
• Dynatrac HD BallJoints™ are already installed; the last balljoints you’ll ever need.
• Includes our latest integrated raised track-bar and ram-assist steering mounting package. Dynatrac now offers the very best high-strength steering linkage and integrated ram-assist bracket in the industry.
• Dynatrac precision-aligned, alloy-steel end forgings, 100% made in the USA.
• ProRock 44™ Unlimited housing geometry for superior handling and optimal pinion and driveshaft angle for lifted JKs.
• Rock-proof nodular-iron Dynatrac diff cover.
• All HD suspension brackets are CNC laser-cut and professionally welded and installed, including high-mount track-bar bracket setup for lifted JKs with top-down mounted drag links and high-steering packages.
• Axle includes your choice of available selectable lockers and 4.88, 5.13 or 5.38 gear sets.

*This ProRock 44™ assembly does not include spindles, hubs or brakes -- customer is to reuse the spindles, hubs and brakes from their Jeep.

ProRock 60® Semi-Float Rear Axle

• Dynatrac-exclusive patented ProRock® nodular-iron, high-pinion ProRock 60® centersection.
• Best-in-class ground clearance with more ground clearance than a factory Dana 44.
• 3.125-inch-diameter by 0.313-inch-thick wall tubing that’s 2.5 times stronger than any stock JK Dana 44 rear housing.
• Dynatrac exclusive Dual-Sump High Volume™ (DSHV) oiling system to ensure the outer pinion bearing is never without lubrication.
• Dynatrac U.S.-made forged, heat-treated, 35-spline alloy-steel shafts.
• ProRock 60® high-pinion housing geometry for long suspension travel, and a 2.75-inch raised driveshaft height to protect driveshaft and U-joint from impact with rocks and trail obstacles.
• 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 your choice of available selectable lockers and 4.88, 5.13 or 5.38 gear sets.