Spark plug cap spring - attaches with cap to the end of the ignition coil.
Zenoah part # 1400-72121
Stock part on the Zenoah
G230 260 240 270 290RC Engines
G260PU, 231PUH, 260PUH, 231PUM,260PUM
G620PU
King RC uses as a stock replacement part for the
CY23 CY26 CY27 CY29 GP290