Kit includes: 3921 1"-2" Front Drop Torsion Bar Keys, 34324 (with out factory auto ride) 3" or 4", (with factory auto ride) 2.5" or 3.5", (with out factory premium ride) 3" or 4", (with factory Premium ride) 2" or 3" Rear Drop Springs Belltech engineers have reviewed the most popular setups for each Sport Truck or SUV in our application range and developed the Belltech Complete Kit Line to simplify your purchase These complete lowering kits are your all in one box solution providing you with all the necessary parts to lower your truck Made up of a variety of combinations of our individual lowering components as well as all the installation and alignment pieces necessary to achieve the listed lowering, choosing your kit has never been simpler OEM ride quality with added performance, control and comfort