What is the main benefit of a 4.86 gear ratio?

A 4.86 gear ratio generally provides better acceleration compared to stock ratios. This is often chosen when installing larger tires or when more pulling power is needed.

Does this gear set come with installation hardware?

This product listing is for the ring and pinion gear set only. Installation hardware, such as bearings and seals, are typically sold separately and are required for proper installation.

How does USA Standard Gear ensure quality?

USA Standard Gear subjects all their ring and pinion sets to rigorous in-house quality evaluations. This process ensures that each set passes strict dimensional, material, and fitment testing before being released.

Yukon Gear & Axle Ring & Pinion Gear Set 4.86 Ratio ZG F9-48

Name: USA Standard Ring & Pinion Gear Set For Ford 9in in a 4.86 Ratio
Brand: Yukon Gear & Axle
Price: 384.89 USD
Availability: InStock

USA Standard Ring & Pinion Gear Set For Ford 9in in a 4.86 Ratio

$384.89

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 Ford 9in ring and pinion gear set with a 4.86 ratio. Designed to exceed OEM specs for improved performance.

Key Features

Fits a wide range of Ford 9-inch axle applications.
Features a 4.86 gear ratio for improved acceleration.
Designed to exceed original equipment manufacturer specifications.
Undergoes rigorous in-house quality evaluation.
Meets dimensional, material, and fitment testing requirements.

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Will this fit your vehicle?

Product Details

If you're looking to change the gear ratio in your Ford 9-inch rear end, this USA Standard Gear ring and pinion set is a solid option. With a 4.86 ratio, it's designed to give you more acceleration, which is great for larger tires or heavier loads. This set fits a wide range of classic Ford vehicles, including popular models like the Ford Bronco, F-100, and Mustang.

USA Standard Gear aims to go beyond OEM specifications with their ring and pinion sets. Each set undergoes strict in-house quality checks, ensuring they meet dimensional, material, and fitment standards before they ever leave the factory. This means you're getting a well-built gear set that's ready to perform and last.

Changing your gear ratio is a significant modification, and it's important to ensure proper installation. If you're unsure about the process, it's always a good idea to consult a professional mechanic. This set is designed for the Ford 9-inch axle, a robust and popular choice for many classic Ford applications.