Currie heavy-duty spring plates are built to withstand the most rugged off-road abuse. They have a built-on skid plate to protect the U-bolts. The top plate is 5/16 in. steel and the bottom skid plate is stamped out of 1/4 in. steel. These universal spring plates from Currie are designed to be used with a 2 in. wide spring and come with bolt-on, replaceable shock mounts.