Take a look at this link. Teeth left or right pitched.
https://www.falconparts.com/ford-falcon-auto-parts/pc/1960-1970-SPEEDOMETER-DRIVEN-GEARS-p5800.htm
https://www.falconparts.com/ford-falcon-auto-parts/pc/1960-1970-SPEEDOMETER-DRIVEN-GEARS-p5800.htm