Figuring for speedometer drive gear?

[69DODGEDARTGTS]

Can anyone tell me what speedometer drive and driven gears I need, or how to figure for them? I have a 727 trans, and a 3.73 gear rear end, and 26 1/2" tall tires.

 

[70aarcuda]

http://www.mymopar.com/speedometer.htm

less a few seconds on google....lol

 

[69DODGEDARTGTS]

Cool, thanks!

 

[Bad Sport]

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[69DODGEDARTGTS]

Thanks guys, exactly what I needed!