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 EMPI Billet Throttle Pedal with Ball Milled Grooves & EMPI Logo $72.95 Stainless Steel Coil Cover Set $12.95 Type 1 Trans. to Type 2 Joint, 33 Splines, 36mm Nose, M8 Threads, Pair $145.95 Serpentine Belt Pulley System, Blue Anodized $329.95 Sold Out Stock Pedal Assembly $149.95