Description:

This is a must when switching to 3. 73 or 4. Made of plastic, color coded white / cream for reference. Features: This gear helps ensure correct speed & mileage readings Fits the following Ford Mustangs: 1983-1989s with 4. 10 ratio & T5 or T45 Transmission Also fits 1990-1998 V8 Mustangs with T5 & T45 transmissions and the following ratios: 3. 55, 3. 73, 4. 10 Made of plastic and color coded white / cream for reference !