Coil SumoSprings will fit the Rear coil spring suspension and help prevent the rear from sagging. Perfect for that person who uses their vehicle to tow or carry heavy cargo. All you have to do is slide between the turns of the coil springs, making installation very easy. The Coil SumoSprings will help stabilize your rear end and reduce side to side body roll and sway by keeping the rear leveled. The Micro-Cellular Poly Foam will create a cushion effect, creating a smooth and comfortable ride.