Steeda C1DZ17271A - Steeda Speedometer Recalibration Gears

Once you change the gears in your differential, you need a new speedometer gear to recalibrate your speedometer. They're inexpensive, and only take a few minutes to change. These Recalibration Gears fit 1979-1998 Mustangs & all Tremec transmission. Applications:
Manual Transmissions with 7-Tooth Drive Gear:
Manual Transmissions with 8-Tooth Drive Gear:
Automatic Transmissions with 8-Tooth Drive Gear:
