Please read Instructions thoroughly and completely before beginning installation. Installation by a certified mechanic is recommended. IHC Suspension is NOT responsible for any damage or failure resulting from improper installation. RECOMMENDED WHEEL/TIRE SIZE 4/6 – tallest tire 30.5″ 5/7 – tallest tire 29.3″ Larger wheels recommend to check with local suspension shop WEIGHT: 9 LBS. DIMENSIONS: 20″X6″X6″