Dana 60 diff rings only. 3/8" thick. Thay can be bolted on over your existing cover, or as the basis for your own diff protection. $40+ shipping. If you want to order new bolts with your ring, you can order them from me too. Standard allen bolts, stainless allen bolts, button head allen bolts or whatever other style bolt you want. Pm for costs and details. PM or email Carpe_diem76@sbcglobal.net to order.