Chevrolet Silverado Ring & Pinion Set - Rear - Revolution Gear & Axle - 5.13 Ratio Thick - `99-`10. This direct-fit ring and pinion set is designed for GM 14-bolt 10.5" rear axle applications and provides the 5.13 final drive ratio for drivers looking to optimize gear reduction for towing or performance applications.

Built by Revolution Gear & Axle to match OE dimensions for an easier installation, this thick ring and pinion set is made for heavy-duty use in Chevy Silverado models from 1999 through 2010 that use the 14-bolt 10.5" rear axle. Precision gear cutting and appropriate heat treatment provide consistent tooth geometry for dependable load transfer. The 5.13 ratio helps improve off-the-line acceleration and towing capability when paired with compatible drivetrain components, and the set is intended as a reliable replacement when upgrading or repairing a rear axle.

Features

• 5.13 final drive ratio for stronger low-end torque
• Thick ring design for added gear strength in heavy-use applications
• Fits GM 14-bolt 10.5" rear axle found in many '99–'10 Silverado models
• Manufactured to match OE dimensions for straightforward installation
• Precision-cut, heat-treated gears for consistent performance

If you have questions or want help confirming fitment, call us directly — 512-982-9393 (TX) or 562-981-6800 (CA). We have two locations in Austin, Texas and the Los Angeles, California area where we offer installation and customization services. If you are thinking about purchasing multiple items, contact us for possible shipping discounts. We install on premises at both locations.

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