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. COMMENTS: The instructions are mostly in Japanese, but the illustrations are pretty clear. 11-23-93/eke
This product was added to our catalog on February 11, 2021