Replacement Type 3 speedometer driven gear for various 1960-2004 Ford and Mercury models. These right hand rotation gears were used on both automatic and manual transmissions with drive gear access holes on the driver side of the vehicle. They clip to the end of the speedometer cable and are inserted into the end of the transmission. Can be used as stock replacement or to recalibrate a vehicle speedometer to ring and pinion swaps or larger wheels/tires. Replaces Ford part# C0DZ-17271-A.Transmission Applications:C4 Automatic TransmissionC6 Automatic TransmissionFMX Automatic TransmissionFord 3-Speed Manual TransmissionFord 4-Speed Manual TransmissionBorg/Warner T-5 Manual TransmissionTremec Manual TransmissionBorg/Warner T-45 Manual Transmission{specs}