If you're diving into a build or just looking to refresh your ride, you can't go wrong with the USA Standard ring and pinion sets. These bad boys are built to give you the confidence you need during installation, whether you're a seasoned pro or just getting your hands dirty. USA Standard Gear has a solid lineup that covers a bunch of common and even some hard-to-find applications.

• Compatibility: Perfect fit for the Ford 9 inch.
• Ring Gear Diameter: 9.00 inches—solid size for strength.
• Pinion Spline Count: 28 splines, which is pretty standard for reliable performance.
• Bolting: Comes with 10 ring gear bolts to keep everything tight.
• Gear Ratio: 3.89—great for a balanced mix of torque and speed.

Plus, you’ve got a one-year warranty against any manufacturer defects, so you can install with peace of mind. These sets are a great upgrade for a variety of classic Ford models, including:

• Ford Bronco (1966-1986)
• Ford F-150 (1975-1987)
• Ford Mustang (1965-1973)
• Ford Fairlane (1957-1970)
• Lincoln Continental (1961-1979)
• And many more—just check the fitment!

Whether you're tackling a restoration project or just looking to swap out that old gear, this 3.89 ratio is a solid choice. It strikes a nice balance that can help you clear those bigger tires without sacrificing too much on the highway. Just a heads-up: if you're thinking of going big with your wheels, make sure to keep an eye on clearance. But honestly, with this setup, you’re going to feel the difference in how your ride handles.