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 Chrome Spring Plate Caps - I.R.S., Pair $34.95 Sold Out IAP Performance Black Pulley Kit $109.95 Billet Combo Fuel Pump Block-Off / Coil Mount, Polished $74.95 Sold Out Stud Mount Conversion Kit, 3 1/8" $29.95 Replacement Boot for P/N: 16-2185/86 Each $14.95