~(550 lbs. 84X24X24)~ Pro Rock 80 Rear Axle Assembly ARB Air Locker 5.38 RandP 1410 Yoke 70.0 Width 8 on 6.5 Clean Tubes 40 Spline - 2007-2018 Jeep JK

The Dynatrac Elite ProRock XD60/80 Axle-Set is a high-performance, bolt-in axle solution designed for Jeep Wrangler JK owners who demand the best in drivetrain durability, quality, and extreme performance. It is intended for vehicles running 37- to 44-inch tires, or those with high-performance engine swaps, superchargers, high-torque diesel engines, deep gear reduction, and transfer case ratios numerically higher than 4:1. This set offers superior ground clearance and strength, featuring exclusive patented ProRock nodular-iron centersections, double-heat-treated 35-spline front axle shafts, 40-spline rear axle shafts, HD BallJoints, fixed spindles, high-capacity brake upgrades, and ARB Air Lockers with a choice of gear ratios.