Performance Shock Absorber - Precision Engineered for Street and Off-Road Performance. Adjustable Front Spring Perch Design for Lifting/Leveling from 0-3" Monotube-High Pressure Design Heavy Duty 46mm Piston Nitro Coated Shaft. Durable Zinc Coated Weather Resistant Shock Bodies. Made in U.S.A. Limited Lifetime Warranty Download the Installation Guides: Eibach Installation File #1 Compatible Vehicles Year 2015 to 2020 Make FORD Model F-150 3.5L/2.7L V6 EcoBoost 2WD Rear +0-2.5 in Year 2015 to 2020 Make FORD Model F-150 Diesel 2WD Rear +0-2.5 in Year 2021 to 2022 Make FORD Model F-150 Super Crew 2.7L V6 EcoBoost 2WD | Excludes Max Tow Package Rear +0.75-2.2 in