Rear blocks are also custom-engineered to prevent axle wrap, preserving your ride quality mile after mile. Pair with optional V2 or Vertex rear shocks for four-corner performance you can feel. Smarter Installation. Better Results: This bolt-on system is designed for a hassle-free setup no cutting or drilling required. Top-mounted reservoir brackets offer clean, secure placement, and front-to-rear leveling eliminates factory rake for a more aggressive, balanced look. Boosted ground clearance allows you to tackle trails with ease, while enhanced suspension geometry keeps your Super Duty performing as it should. Peace of Mind Included: Backed by Rough Country's Limited Lifetime Replacement Warranty, this 6-Inch Coilover Suspension Lift Kit is built to last and protected from structural or workmanship defects from day one. Drive harder, ride smoother, and lift smarter with Rough Country.