Shop › Shock Boss, Unthreaded 1/2", 1 3/4" Long Image 1 of 1 Shock Boss, Unthreaded 1/2", 1 3/4" Long $4.95 For fabricating shock mounts. Comes in 1/2" or 12mm x 1.5 bolt sizes. Threaded or unthreaded. Add To Cart Added! For fabricating shock mounts. Comes in 1/2" or 12mm x 1.5 bolt sizes. Threaded or unthreaded. C-217-2712 You Might Also Like Ram-Air Shroud, Chrome without Ducts $109.95 Stainless Steel Coil Cover Set $12.95 EMPI 200mm Pressure Plate 2100# $124.95 Shaft, 12" Long, 3/4" 48 Spline $29.95 Threaded Bung, 3/4"-16 Left Hand Thread, 1" x.120 2 3/8" Long, Each $10.95