The LARGE flange is about 1 1/8 size around. THE LITTLE SPLINE SHAFT IS ABOUT 5/16.This 2-1 right angle drive could be crank mounted or a pinch bracket could be made. I did dot clean nuthing. Little debrie under the glass. Both needles have some aging, face is very nice not damaged. Great addition to your prewar speedster build. The item "20s CORBIN 6K TACHOMETER TACH 2-1 RATIO SPEEDSTER PREWAR RACE CAR SCTA TROG LQQK" is in sale since Friday, June 11, 2021. This item is in the category "eBay Motors\Parts & Accessories\Vintage Car & Truck Parts\Accessories". The seller is "mr-dash" and is located in Ferris, Texas.
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