Rough Country 5-inch Non-Torsion Drop Suspension Lift Kit w/ N3 Shocks for Chevy 11-18 Silverado 2500/3500 HD GMC 11-18 Sierra 2500/3500 HD FEATURES: Maintains factory ride quality; Maintains the stock track width; Unmatched ground clearance; Torsion bars stay in factory location; Axles maintain factory position and angle; No drilling or modifying of the differential; No drivetrain or exhaust modifications required; Includes application valved N3 series shocks NOTES: Requires minor cutting and drilling; Does not fit Dually models; Does not fit models with Magnetic Ride Control; Gas models may require modification to the exhaust for diveshaft clearance; Factory rear overload springs will need to be removed on equipped models; Does not work with factory wheels; Models equipped with factory 17-inch wheels must use 17-inch or larger aftermarket wheels due to larger calipers / rotor KIT CONTENTS: Front: Front and rear crossmembers, lifted knuckles, differential skid plate, differential drop brackets, NTD brackets, sway bar link extensions, sway bar relocation brackets, upper shock brackets, extended brake lines, and hardware; Rear: Lift blocks, u-bolts, bump stop brackets, brakeline/e-brake brackets, and hardware; Shocks: (4) Premium N3 Shocks SPECS: Installation Time: 8-10 hours; Recommended Tire Size: 295/60 R20; Weight: 283.72-lbs FITMENT: Chevrolet: 11-18 Silverado 2500 HD 2WD/4WD, 11-18 Silverado 3500 HD 2WD/4WD; GMC: 11-18 Sierra 2500 HD 2WD/4WD, 11-18 Sierra 3500 HD 2WD/4WD