2x Front Coil Spacers2x Rear Lift Blocks4x U-Bolts2x Stud ExtendersInstallation Instructions2WD: Comes with 3/4" stud extenders that fit 2WD models ONLY4WD: Comes with 5/8" stud extenders that fit 4WD models ONLY*Will not fit vehicles with Twin I-Beam or Twin Traction Beam SuspensionOur Pro-Billet series strut spacer lift kits are precision engineered from 6061-T6 aircraft aluminum, then anodized for a superior finish. Billet aluminum is a great material for use in suspension applications as it has an immensely high strength to weight ratio along with a superior level of corrosion resistance compared to many other metals on the market. Unlike steel kits that are cut-out and welded together, our Pro-Billet kits are machined from a solid piece and will not bend or warp under even the most stressful conditions.Our Pro-Billet Series rear lift kits are precision engineered to lift and level your truck. The rear lift blocks are machined from 6061-T6 aircraft aluminum, then an anodized coating is applied to protect from rusting. Unlike steel blocks that are cut-out and welded together, our Pro-Billet kits are machined as a solid piece and will not bend or warp when under high stress loads. We complete this kit with high grade hardware and extended OEM spec U-bolts.Note: An alignment is always recommended after altering the height off your vehicle.