These custom made springs are manufactured exclusively for us in the UK.
They are 50% stronger than the original tappet springs to dramatically improve high speed feeding in all KWA V2.5 gearboxes.
KoA Custom KWA Tappet Plate Spring
Compatible with all KWA V2.5 and V2.5+ gearboxes (TK/T/QRF Series).
We recommend lightly lubricating the spring with Superlube PTFE grease prior to installation.