J.A.P. engine valves? Howard Gem

[vhgmcbuddy]

Hi. I have a Howard Gem with JAP 600 side valve engine, for which I need new (or perhaps good used!) valves. They bear the number 7524. I have one one valve which could be used as a template. So, two questions!
1. Do you know who might be able to supply such a valve, or modify a similar valve from a blank?
2. Does anyone know the actual dimensions of this valve? – if one is to be made it would be better to know these rather than measure with vernier calipers.

Thanks for your help.

[ransomes256]

Have you tried MEETENS ?

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