2x Rear Drop Shackles (1.5" / 2" Adjustable). How to Install or Replace Leaf Spring Shackles?. for GMC C15 /C1500 / C1500 Pickup 1973-1987. Note: for 2WD and short box only. Drive Model: 2WD Only. 3" Lowering Drop Spindle 1.25" Rotor For Chevy C10 R10 GMC C1500 2WD 1973-1987.
