Valves for 6-40

Hello out here in Hudson SS land The original SS I might add. I'm in

need of at least three valves for the 6-40 engine I'm renewing. The

shank is .372, bottom end is spherical. It has a single groove

about .275 from bottom .100 wide Overall lenghth 6.21+ and the head is

1.687. I was wondering if the early SS used similar valve and if anyone

has come across a good replacement Thanks Jerre
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