Increased ground clearance Track bar bracket keeps the front axle properly centered. Fits both rear coil spring and rear air ride suspension models! Radius Arms offer a more factory-like angle and feature a durable, durable rubber Bushing for maximum vibration absorption. Rear ride height arm brackets let you adjust the rear ride height, up to 1-inch higher than the front – Air Ride models ONLY Includes application valved V2 series shock absorbers which offer the best in balanced performance for on and off-road use.