Part# 374-39482

Rear brake drum - 10" - 4' width with 3.44 friction surface. Note - This drum will work only on A-body 8-3/4 rear ends - not the 7-1/4 rear ends. The 7-1/4 backing plate will interfere with the drum and not allow the drum to slide flush against the axle flange. So if your vehicle has been converted to an 8-3/4 or came with one - your fine....