Ford Differential Ring and Pinion Gear Kit 3.7- 3,54-4,10 Ratio CL3Z-3222-D !!!!!!!! PLEASE READ THIS BEFORE YOU PURCHASE!!!!!!!! It is your RESPONSIBILITY to do your research and to be sure this is the EXACT item for your application. We use many different resources to try to determine vehicle applications. We insist that you use them as a guideline only and do your own independent research to be sure you are buying the correct part for your vehicle. Many different variables go into what parts fit what vehicles. Double check the part number with your Local Dealer using your VINÂ .