Rough Country - 348.23-5-inch Suspension Lift Kit w/Premium N2.0 Shocks for Ram: 11-13 2500 4WD, 11-12 3500 4WD Features: Increased ground clearance; Maintains factory steering angles; Works with factory 17" and 20" wheels; Control arm drop brackets reduce control arm angle, improving ride quality and driveability.; Track bar bracket keeps the front axle properly centered.; Fabricated blocks are stronger and offer a longer lifespan than cast blocks.; Includes application valved N3 series shock absorbers which offer the best in balanced performance for on and off-road use. Fits: 2011-2013 4WD Dodge Ram 2500; 2011-2013 4WD Dodge Ram 2500 Mega Cab; 2011-2012 4WD Dodge Ram 3500; 2011-2012 4WD Dodge Ram 3500 Mega Cab Notes: Does NOT fit dually models.; Does NOT fit "Power Wagon" models.; Requires minor drilling.; On vehicles equipped with a two piece driveshaft & carrier bearing as on the Mega Cab, there is the potential for take off vibration, depending on the severity, this can be corrected with shimming down the carrier bearing.; Fits models with Diesel Engine ONLY! Kit Contents: FRONT: Lifted coil springs, Control arm drop brackets, Pitman arm, Track bar drop bracket, Sway-bar drop brackets, Hardware; REAR: 4in fabricated lift blocks, U-bolts, Hardware; SHOCKS: (4) Premium N3 Series Specs: Est. Install Time: 4-6 hours; Recommended Tire Size: 37x12.50; Recommended Wheel Backspacing: Factory