Speedo Gear (Automatic 8-Tooth 3.55, 3.73 & 4.10 Ratio / Automatic 7-Tooth 4.10 Black 23)

By: Steeda


    • Automatic Transmissions with 7 Tooth Drive Gear
    • Automatic Transmissions with 8 Tooth Drive Gear
    • Time Required: 1 hour (approximately)

    • Skill Level: Intermediate - You should have "above average" mechanical knowledge/experience to attempt this installation.

    • Mustang 1979-1993 GT

    • Mustang 1979-1993 LX

    • Mustang 1994-1995 GT

    • Mustang 1994-1998 V6

    • Mustang 1996-1998 Cobra

    • Mustang 1996-1998 GT

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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. Please check our Hot New Product Section for information on 1999 and 2002 Mustangs.

Instructions: Note transmission type, model and resulting drive gear.

Cross reference with your rear-end gear ratio to find the correct "recalibration" gear for your application.


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