2x?High-Crystalline Delrin Front Lift Spacers4x?Transfer Case Drop Spacers to Restore Driveline Angles2x?Rear Heat Treated & Tempered Steel Add-A-Leafs4x?Vibration Isolator PadsOur Delrin Lift Kits are meticulously engineered and precision CNC machined from High-Density Delrin, for superior durability and corrosion resistance. Delrin has the highest tensile strength of any thermoplastic and is the best material available for heavy duty applications, while still being light-weight and resistant to typical corrosion associated with off-roading. Most aftermarket kits are flimsy welded steel, or cheap injection molded plastic. Choosing premium material parts should always be your #1 choice. We guarantee our High-Crystalline Performance Delrin Spacers will NOT compress under load. We back this statement with our Lifetime Warranty Policy.Note:*An alignment is always recommended after altering the height of your vehicle*Depending on the condition of your spring pack, our add-a-leafs will raise the rear of your truck by 1.5-2"*Will Not Fit Vehicles With Welded Bump Stops