unknown 4 cyl flathead

[jajolee]

on this one was written F.N. but I am not sure

there is a number 387542-1

thanks

jan

[jajolee]

and this marking

[jajolee]

the inside

thanks for helping me out

jan

[Steve Braverman]

1931-32 Plymouth. If the plugs are 18mm it's '31, if they're 14mm it's '32. They're interchangeable though.

[jajolee]

thank you verry much

jan