Lionel 1684 Side Rod Set - This set includes (2) side rods, (2) drive rods and crossheads as well as (2) front side rods screws and (2) rear side rod screws. The are variations of the side rods. The side rods shown have a single bend at the large end to provide clearance for the side and drive rods. The other 2 variations consist of one with bends at both ends, and another with a bend at the small end. Please check your locomotive to ensure you select the proper type. Some locomotives used a thin spacer and some a thick spacer. We have not included either one due to this variation, but they are available.