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Dynatrac Pro Series 80 Rear Axle

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A full-float Dynatrac Pro Series 80 is tethered out back, and like the front it’s outfitted with some of the best gear, including an ARB Air Locker, Dynatrac Competition Axleshafts, 5.13:1 gears, and Ram 2500 disc brakes with 13½-inch rotors and dual-piston calipers. The axle is fed by a Tom Wood’s custom driveshaft that has a 1350 U-joint at the transfer case and a 1410 ’joint at the axle. The rear suspension is a custom double triangulated four-link system with Currie AntiRock sway bar and 16-inch-travel Fox Racing 2.5 external bypass shocks and remote-reservoir coilovers, which have a 200-pound main spring and a 100-pound secondary. Like the front, all of the links are made from 2-inch-diameter material with 0.120-inch-wall uppers and 0.250-inch-wall lowers. Also like the front, all of the links are fitted with Ballistic Fabrication forged spherical rod ends. Look close and you can see how the JK’s frame was notched 1½ inches to create space for the coilovers. After notching, the area was gusseted for str