tachometer for caterham 1997 w. k engine

[kinderrr]

Hi am looking for a new tacho for a my caterham. old one is odly enough skipping when I reach 3000. Can anyone point me in the right direction. does not have to be original. Old one has a production/serial number rvc1490-02
thank you
Michael

[V7SLR]

1997 o/e gauges will have been manufactured by Caerbont, they can repair it.