By: Ford
#17271E-K
$38.51
Follow the link below to help calculate the proper tooth count for your application
https://www.tciauto.com/speedometer-gear-calculator
Time Required: 30 minutes (approximately)
Mustang 1979-1993 GT
Mustang 1979-1993 LX
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 1983-1995 Mustangs.