This is the DHK Lower End Cap, Spring Retainer, and Piston for the Newer Style 1/8 Scale DHK Models. Please note appearance as these work with the newer shock bodies that use external threading for the end cap (8381-304) rather than the older style shock body with internal threading for the end cap.
NOTE: The lower spring cup/retainer will also work with both the Wolf 2 and Raz-R 2 models' shocks.