Original style spring hanger eye bolts with correct Marsden type nuts. Bolts are 5/8 diameter and 4 1/16 long. Bolts have the correct long shank design to work properly in all of the Mancini Racing AR Engineering spring hangers. Bolt kit fits factory spring hangers and Super Stock hangers, as well as the Mancini Racing AR Engineering dual ride height spring hangers. AR072 kit contains two bolts and two nuts.