Mark, it's close to 4 1/4 without taking it apart for a more accurate measurement.
There are only 3 holes, the center is speedo, and the 2 smaller sides are fuel, water temp, oil pressure and ampmeter.
Wayne 1938 1-Ton Farm Truck Stovebolt Gallery Forums 1989 Silverado 1996 Mustang GT convertible When I die, I hope she doesn't sell everything for what I told her I paid for it!
