This pair of lower control arms are direct replacements for weak or bent factory units. Made of 3/16" wall DOM tube, they are more than 2x stronger than the OEM arms! They are equipped with a rubber bushing in one end for isolation of road noise and xAxis sealed flex joints in the other end for superior flexibility off road. Whether you are replacing damaged OE parts or upgrading for offroad use, these are the arms for you. Have you lifted your 3rd Gen 4Runner and want to get your drivability back? Check out SPC's 25460 adjustable front upper control arms! California Residents WARNING