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 / Metal Wheel Caps for 5 Lug Wheels, Pair $39.96 EMPI Trigger Shifter, Chrome Plated Type 1 & Ghia, 12" O.A.L. $99.95 Sold Out Dual Port Cylinder Shrouds, Black or Chrome from $45.95 Billet Aluminum Shifter Knob (Fits 7mm-10mm-12mm Shafts) $32.95 Shaft, 12" Long, 3/4" 48 Spline $29.95