Shop › Shock Boss, Unthreaded 12mm, 1 3/4" Long Image 1 of 1 Shock Boss, Unthreaded 12mm, 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-217-2713-0 You Might Also Like EMPI 200mm Pressure Plate 2100# $124.95 EMPI Polished Alum. T-Handle Shifter, Standard, 12" O.A.L. $99.95 Chrome Spring Plate Caps - I.R.S., Pair $34.95 Sold Out Threaded Bung, 3/4"-16 Right Hand Thread, 1" x.120 2 3/8" Long, Each $10.95 Fuel Pressure Regulator IAP/Kuhltek Motorwerks AC127215B $45.95 Sold Out