Mustang Speedometer Driven Gear Type 3A 21-Tooth 4-Speed Toploader Transmission
Type 3A 21-Tooth Speedometer Driven Gear for Mustangs with a 4-Speed Toploader Transmission.
This type 3A speedometer driven gear is 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.
*Type 3A gears are for left hand rotation.