Originally Posted by
RevMaxx
not sure if its a serpent part as it came separate. the shop owner handed me the 3rd one-way kit and just taped the thicker ring with the pack. i'll try to inquire if i get the chance to visit the shop again.
got it at Harmony Models at HK... see pics
The first generation had the second ring that needed to replace the original. The product that came out after that already had the new ring in the package. There is no part number for the ring alone.