What is the purpose of a 4.56 gear ratio?

A 4.56 gear ratio generally improves acceleration by allowing the engine to reach higher RPMs more quickly. This is often beneficial when upgrading to larger tires or for applications like towing and off-roading where more torque is needed.

What vehicles does this Yukon Gear & Axle ring and pinion set fit?

This set is designed for Ford 9-inch rear axles. It fits a wide range of Ford vehicles, including many models of the Bronco, Econoline vans, F-Series trucks, Fairlane, Falcon, Galaxie, Gran Torino, Granada, LTD, Maverick, and Mustang from various years.

Does this gear set come with installation hardware?

This product listing is for the ring and pinion gear set only. Installation typically requires additional components such as bearings, seals, and shims, which are usually sold separately. Refer to the manufacturer's installation guide for a complete list of required parts.

Yukon Gear & Axle 4.56 Ring & Pinion ZG F9-457 - Ford 9in

Name: USA Standard Ring & Pinion Gear Set For Ford 9in in a 4.56 Ratio
Brand: Yukon Gear & Axle
Price: 333.89 USD
Availability: InStock

USA Standard Ring & Pinion Gear Set For Ford 9in in a 4.56 Ratio

$333.89

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Yukon Gear & Axle is known for well-built drivetrain components. This 4.56 ratio ring and pinion set is for Ford 9in rears, offering improved gearing for your vehicle.

Key Features

Fits Ford 9in rear axles.
Features a 4.56 gear ratio for improved acceleration.
Built to exceed original equipment specifications.
Undergoes rigorous in-house quality evaluation for dimensional, material, and fitment testing.
Designed for a wide range of Ford vehicles including Bronco, E-Series Vans, F-Series Trucks, Fairlane, Falcon, Galaxie, Gran Torino, Granada, LTD, Maverick, and Mustang.

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Will this fit your vehicle?

Product Details

Yukon Gear & Axle is a well-known name for durable drivetrain parts, and their USA Standard Gear line continues that tradition. This ring and pinion gear set is specifically designed for the robust Ford 9-inch rear axle, featuring a 4.56 ratio. This ratio is a popular choice for drivers looking to improve their vehicle's acceleration, especially if they've added larger tires or are using their vehicle for towing or off-roading.

These USA Standard Gear sets are built to go beyond original equipment specifications. Each set undergoes strict quality checks, including dimensional, material, and fitment testing, to ensure they meet Yukon's high standards. This attention to detail means you're getting a well-built gear set that's ready to handle the demands of your Ford 9-inch rear end. Proper installation is key for any gear set, so be sure to follow the manufacturer's guidelines for setting backlash and pattern.

This gear set fits a wide range of Ford vehicles equipped with the 9-inch rear axle, including classic models like the Ford Bronco (1966-1986), Ford F-100 (1957-1983), and Ford Mustang (1965-1973). If you're looking to re-gear your Ford 9-inch for better performance, this 4.56 ratio set from Yukon Gear & Axle is a solid option.