Does anyone know if the pictured sending unit would be correct for an old Greenline Stewart Warner tach? Number is 429373.
Here's a pic of the tach in question.
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Rick
69 Chevelle SS396 Silver L78 M21 Post Sedan (Berger Chev.)
69 Chevelle SS396 Black L78 4-speed 4.10 Post Sedan

Don't text and drive.
Somebody's life may depend on it!