Yukon Gear High Performance Thick Gear Set For GM Chevy 55P in a 4.11 Ratio

This Yukon Gear & Axle thick ring and pinion gear set is built with high-grade steel and features a 4.11 ratio, designed for GM 55P differentials. The gear tooth surface finish is specifically engineered to reduce friction and heat, which is crucial for handling high torque conditions and extended use. This set is intended for use with a 3-series carrier and has an 8.40-inch ring gear diameter with 10 bolts, fitting a wide range of classic GM vehicles from 1955 to 1964, including models like the Chevrolet Bel Air and Impala.

Yukon engineers put these gear sets through rigorous design and testing processes, utilizing in-house quality labs to ensure they meet precise specifications. The thick gear design is specifically made for carriers that typically use 3.73 and numerically lower ratios, offering a robust upgrade. This attention to detail means you can confidently add more horsepower or larger tires to your vehicle, knowing your drivetrain components are up to the task. The set includes 17 spline pinion and is designed to OEM specifications for a reliable fit.

When you choose Yukon Gear & Axle, you're getting a well-built product backed by a solid warranty. All Yukon Ring & Pinions come with a 1-year warranty against manufacturing defects. For even greater peace of mind, Yukon offers the Y.E.S. Plan, a lifetime, comprehensive protection plan that covers your gears for as long as you own your vehicle, making this a smart long-term investment for your classic GM.