RockJocks Spring Plates are built to withstand the most rugged off road abuse! Plates feature a 5/16 in. thick steel top plate and a built-on, 1/4 in. skid plate to protect u-bolts. These heavy duty universal spring plates are designed to be used with 2 1/2 in. wide springs and come with bolt on, replaceable shock mounts. Price listed is for a pair of plates.