Driving a Jeep Wagoneer, Scrambler or J10 from 1973-1990?. With the RS7000MT line available from Rancho, experience high end performance and quality coupled with extra strength and durability for both stock and lifted Jeeps. Installing the 7000 series shocks by Rancho onto your 1990 Wagoneer can be done in just a few hours leaving you with the perfect ride quality and strength needed to overcome even the toughest of obstacles. Towing or hauling heavy loads? NO problem, Rancho has your back with the RS7000MT series complete with a limited lifetime warranty for piece of mind between you and your Jeep.