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 Trigger Shifter, Copper Plated Type 1 & Ghia, Long Style, 13.5" O.A.L. $99.95 Sold Out Angled Throttle Pedal, Unpolished $58.95 EMPI Trigger Shifter, Chrome Plated Type 1 & Ghia, 12" O.A.L. $99.95 Sold Out Seat Cover, Black with Square Pattern, Each $80.95 EMPI Polished Alum. T-Handle Shifter, Standard, 12" O.A.L. $99.95