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11-18 SILVERADO/SIERRA 2500HD/ 3500HD - 5" Suspension System
The heart of the Zone Offroad 5" 2011-16 HD lift kit is a pair of one piece ¼" steel crossmembers combined with the CNC machined steering knuckles to create OE geometry for a quality ride. Also included is a laser cut differential skid plate, differential support brackets, torsion bar brackets, sway bar links, offset rear 3" lift blocks, stainless steel brake lines and custom valved shocks. This system is designed to level the truck and has zero change to the vehicle's track width allowing for clearance of up to 35x12.50 tires. No differential trimming required!
Vehicle Fitment Notes
Extended Notes: *Kit comes standard with upgraded Nitro (black) shocks* 2015-16 Models Only: 20" wheels can not be reinstalled due to GM changing the wheel thickness. The ID of the 20" wheels are smaller on 15-16 models. Torsion bar unloading/loading tool required Frame bracket modifications required for installation With a 20" Wheel, 5"-6" backspacing is recommended Rear kit designed for single rear wheel axles. Stock 17" or 18" Wheels cannot be re-installed Will fit 2wd models. The front differential related parts will not be used. Factory 20x8.5 wheels with 6" backspacing or less will fit with a max tire size of 35 x 12.50 Optional steering stabilizers (3103/7103) only fit vehicles that came equipped with a steering stabilizer from the factory. Vehicles equipped with a two piece drive shaft and a carrier bearing require bearing drop kit (C5612).
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