What is the purpose of changing the gear ratio?

Changing your gear ratio can help optimize your vehicle's performance. A lower ratio like 3.08 can improve acceleration and help compensate for the added weight or rotational mass from larger tires, while still maintaining reasonable highway RPMs.

What is included with this Yukon Gear & Axle ring and pinion set?

This product includes the high-performance ring gear and pinion gear. Installation hardware, such as bearings, seals, and shims, are typically sold separately and are required for proper installation.

What kind of warranty does Yukon Gear & Axle offer on this gear set?

Yukon Gear & Axle provides a 1-year warranty against manufacturing defects. They also offer an optional Y.E.S. Plan for comprehensive, lifetime protection on your gear set.

Yukon Gear & Axle Ring and Pinion Set 3.08 Ratio YG GM12T-30

Name: Yukon Gear High Performance Gear Set For GM 12T in a 3.07 Ratio
Brand: Yukon Gear & Axle
Price: 454.89 USD
Availability: InStock

Yukon Gear High Performance Gear Set For GM 12T in a 3.07 Ratio

$454.89

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 high performance ring and pinion gear set for GM 12 Bolt Truck. 3.08 ratio.

Key Features

Fits GM 12 Bolt Truck axles.
Features a 3.08 gear ratio.
Has an 8.875 inch ring gear diameter.
Includes a 30 spline pinion.
Constructed from high-grade steel for durability.
Gear tooth surface finish is designed to reduce friction and heat.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Will this fit your vehicle?

Product Details

This is a Yukon Gear & Axle high-performance ring and pinion gear set designed for GM 12-bolt truck axles, featuring a 3.08 gear ratio. This set is built to handle the demands of increased horsepower and larger tires, offering a way to optimize your vehicle's performance. It fits a wide range of GM trucks and SUVs from the mid-1960s through the mid-1980s, including models like the Chevrolet C10 and GMC C1500.

Yukon engineers use advanced heat-treating techniques and rigorous quality testing to ensure these gears meet exacting standards. The gear tooth surface finish is specifically designed to reduce friction and heat, which is crucial for long-term durability under high torque conditions. Constructed from high-grade steel, this ring and pinion set is designed to fit OEM specifications, making installation straightforward when following proper procedures. The 3.08 ratio is a popular choice for balancing highway drivability with improved acceleration compared to stock ratios.

Yukon Gear & Axle backs this gear set with a 1-year warranty against manufacturing defects, and they also offer an optional Y.E.S. Plan for lifetime coverage. Proper installation by a qualified technician is recommended to ensure optimal performance and longevity.