Titanium Radius Rod & Panhard Bar One Nut Thru Bolt Kit. Includes 6ea. TD501-213 studs, 3 ea. T4NF05001375S short thread for front axle and 15ea .ST364-820G5 Shear steel nylock nuts. The studs and bolts are heat treated to a Min UTS 160Ksi and have hot forged hex and rolled threads.