Can anyone tell me when this style SW tach became available? Sent from my iPhone using The H.A.M.B. mobile app
Possibly 55-57...? Some info here: https://help.summitracing.com/app/answers/detail/a_id/3655/~/how-old-is-my-stewart-warner-gauge?
Athough an 8000 RPM, this ad which mentions the 5000 RPM as well is dated Nov 59. I think yours is pre Nov 59. Notice the punctuation in R.P.M.