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 Air Intake Screen, Chrome $19.95 Shaft, 6" Long, 5/8" 36 Spline $12.95 EMPI Cam .478/279D $85.95 Chrome Spring Plate Caps - I.R.S., Pair $34.95 Sold Out IAP Performance Black Pulley Kit $109.95