Ford Speedometer Drive Gear; 6 Tooth (79-98 Mustang w/ T-5 Transmission)

Corrects Speedometer. Upgrading to a steeper rear gear for more grunt off the line is great for performance, but it will also throw off your speedometer. Now you can correct your speedometer readings with a Genuine Ford Speedo Drive Gear from AmericanMuscle.

Ford Motorcraft Quality. When adding performance parts to your Pony, trust the folks that know it best to provide top quality components that are made to out perform and out last the competition.

Application. This Genuine Ford 6 Tooth Speedometer Drive Gear is for use with 1979 to 1998 Mustangs equipped with a T5 transmission that have upgraded to 3.73 or steeper gears, to accurately correct MPH reading of your speedometer.
 

Speedometer Chart
Axle Ratio	6 Tooth Drive Gear	7 Tooth Drive Gear	8 Tooth Drive Gear
2.73	-	16	18
3.08	-	18	20
3.27	16	19	21
3.55	17	20	23
3.73	18	21	-
4.10	20	23	-
4.30	21	-	-
4.56	23	-	-

Transmission	16T	17T	18T	19T	20T	21T
Manual	Wine	White	Yellow	Pink	Black	Red
Automatic	Blue	Green	Gray	Tan	Orange	Purple

Manual Transmissions with 7 Tooth Drive Gear

• 1983-1989 T-5 OEM
• Pre 1993 T-5 Aftermarket
• 1996-1998 Cobra T-45 OEM
• All Tremec Transmissions

Manual Transmissions with 8 Tooth Drive Gear

• 1990-1995 T-5 OEM
• 1996-1998 T-45 OEM Except Cobra

Automatic Transmissions with 7 Tooth Drive Gear

• 1983-1989 Automatic Transmissions

Automatic Transmissions with 8 Tooth Drive Gear

• 1990-1998 Automatic Transmissions

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