3.70 Ring and Pinion Gear Set for Ford 9

This ensures that every set passes strict dimensional, material, and fitment testing, providing reliable performance for your vehicle. The ZG F9-370 offers a 3.70 gear ratio, a 9.00" ring gear diameter, a 28-spline pinion, and uses 10 ring gear bolts for secure installation. This gear set is compatible with various Ford models equipped with the Ford 9" axle, spanning from 1972 to 1988, including popular vehicles like the Ford Bronco, E-150 Econoline, and F-150. It is also listed as fitting Mercury Cougar (1967-1979), Mercury Comet (1964-1969, 1971-1977), Mercury Grand Marquis (1975-1980), and Lincoln models within specific year ranges. Please consult the detailed fitment guide for your specific application. When upgrading your differential with this ring and pinion set, it's important to follow proper installation procedures. This typically includes setting backlash, gear pattern, and ensuring the correct lubrication. For optimal performance and longevity, professional installation is often recommended.