Type 3A 17/18/19/20-Tooth Speedometer Driven Gear Kit for Mustangs with a 4-Speed Toploader Transmission.
If you are uncertain about which speedometer gear is correct for your setup, we put together this time and money saving kit just for you. This kit includes 17/18/20/21-tooth speedometer driven gears.
These type 3A speedometer driven gears are typically used on 4-speed Toploader transmissions where the speedometer gear access hole is on the passenger side of the transmission. Speedometer gears attach to the end of the speedometer cable and are inserted into the end of the transmission.