2x Front Lift Steel Torsion Keys2x Rear Billet Lift Blocks Anodized Black4x Premium Electrostatic Powder Coated U-Bolts2x Tapered Alignment ShimsInstallation InstructionsIMPORTANT: May require extended U-Bolts for overloads. Fits 8-Lug models ONLY.Our Max-Torsion Key Lift Kits are engineered with twice the strength of the factory system and precision indexed to lift your truck without sacrificing ride quality. This kit replaces your factory torsion key and is precision indexed to lift and level your front end any amount from 1? to 3?. 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. Our Pro-Billet kits are machined as a solid piece and will not bend or warp when under high stress loads. We also include shim inserts for our lift blocks to keep the factory pinion angle when lifting your vehicle with our kit. Install for the whole kit can be completed in 2-3 hours using hand tools. No cutting or welding required! We complete this kit with high grade hardware and extended OEM spec U-bolts.NOTES: Fits 2500 models only. Front torsion keys are adjustable anywhere from 1" to 3". An alignment is always recommended after altering the height of your vehicle.