This is a hop-up front upright set for the following Tamiya 1/10 scale cars: the F-1's, the Group C's, the Grasshopper II, the Madcap and the Bear Hawk. "RD" stands for racing developed. Uprights are also called knuckle arms.
YOU WILL RECEIVE:
Front upright with front axle installed (2) 3x28mm Shaft (2) 3mm Grub (or "set") screw (2) 4mm Axle nuts (2) 4mm Brass ball connector (2) Silver (normal) springs for F-1 cars (4) Black (stiff) springs for F-1 cars (4) 1.5mm Hex wrench for grub screws (1) Illustrated instructions for installation