Speedometer Drive Gear for Ford Mustang 1983-1998 T5 or T45 Transmission, 23 Tooth Recalibration Gear, 3.73/4.10 Gears, White

Speedometer Drive Gear with Clip Part Type: Speedometer Drive Gear (Driven Gear) Tooth Count: 23 Color: white Material: Plastic Vehicle Fitment: Fits for Ford Mustangs: 1983-1989's with 4.10 ratio & T5 or T45 Transmission Also fits for 1990-1998 V8 Ford Mustangs with T5 & T45 transmissions and the following ratios: 3.55, 3.73, 4.10 Purpose: Recalibrate speedometer for different rear axle ratios, often used with 3.73 and 4.10 gears. This gear is a common aftermarket part for enthusiasts modifying their for Ford Mustangs or similar vehicles to ensure accurate speed readings after differential gear changes. How to Choose: Identify Your Transmission: Manual (T5/T45) or Automatic (AOD/AODE). Check Your Rear Gear Ratio: This dictates the tooth count needed. Look for tooth Count: Match the gear to your specific needs (e.g., white 23-tooth for manual/higher ratio). Includes: 23 Tooth Speedometer Speedo Gear w/ Clip

• Fitment: These speedometer drive gear fits for Ford Mustangs: 1983-1989's with 4.10 ratio & T5 or T45 Transmission, also fits for 1990-1998 V8 Ford Mustangs with T5 & T45 transmissions and the following ratios: 3.55, 3.73, 4.10
• 23-Tooth (White): Essential for manual T5/T45 transmissions when upgrading to 3.73 or 4.10 rear gears, available with a clip.
• Function: Allows speedo to work with changed differential gears, this drive gear allows you to calibrate your speedometer readings, ensure accurate speed readings after differential gear changes
• Easy to Install: 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. Includes 23 tooth white speedo gear & clip to hold wiring in place
• 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.