Chevrolet Silverado 3500HD Ring & Pinion Set - Revolution Gear & Axle - GM 14-Bolt 11.5in 4.56 Ratio - `01-`07. A direct-fit replacement ring and pinion set engineered for GM 14-bolt 11.5" axles used in Silverado 3500HD models from 2001–2007, offering the correct 4.56 final drive ratio for hauling and towing applications.

This Revolution Gear & Axle set is built to restore proper gear mesh and maintain consistent performance under load. It provides the specified 4.56 ratio for improved torque at the wheels compared to taller ratios, and is designed to install into the GM 14-bolt 11.5" carrier without modification. The set is suitable for owners upgrading worn gears or matching axle ratios after differential work, helping preserve drivability and drivetrain reliability when paired with the correct assembly and professional installation.

Features

• Exact 4.56 final drive ratio for GM 14-bolt 11.5" rear end
• Made for Chevrolet Silverado 3500HD models (2001–2007)
• Direct-fit ring & pinion set for accurate gear engagement
• Ideal for towing, hauling, and gear-matching after axle service

If you have questions about fitment, installation, or choosing the right gear ratio for your build, call us directly — our techs can help. We have two service locations offering installation and customization: Austin, Texas and the Los Angeles, California area. Call 512-982-9393 (TX) or 562-981-6800 (CA) to speak with a specialist or schedule shop time.

If you're considering purchasing multiple items, contact us about shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov