Designed, Engineered and Made in America. The Rolling Big Power Max Altitude is a 4-Corner, Coil Over Lift Kit. The design and engineering of the kit offers a better ride, with crisper handling than of the factory leaf spring suspension systems, even while providing a Maximum 13” elevation gain. Got your sights on rolling set a set of 40’s on 26x16 wheels? Not a problem. Whether you’re looking for an aggressive street profile or rock hopping superiority, the RBP MAX Altitude will grant you both altitude and attitude.