RockJock's JT Rear Antirock Arm Hardware Pack includes, 2 3/8 in.-24 x 1 3/4 in. long socket head allen bolts, 2 3/8 in. stainless steel passivated flat washers, 2 5/16 in.-24 x 7/8 in. flat head allen bolts and, 2 5/16 in. x 1.350 in. O.D. aluminum body washers. This kit is all of the hardware for a pair of arms, to affix them to the sway bar.