Richmond 8.5-Inch and 8.6-Inch Rear Axle Ring and Pinion Gear Kit; 3.90 Gear Ratio (07-13 Silverado 1500)Find parts that fit my vehicle

Differential Gear Kit. The Richmond 8.5-Inch and 8.6-Inch Rear Axle Ring and Pinion Gear Kit with a 3.90 gear ratio is designed to replace or upgrade the differential gears in compatible GM 10-bolt axles. This kit ensures a precise gear ratio for improved torque and performance, making it essential for restoring optimal drivetrain function or enhancing vehicle capability. Proper gear matching guarantees smooth and efficient power transfer from the driveshaft to the wheels.

Construction and Appearance. This ring and pinion set features ring gears crafted from high-strength 8620 steel, known for durability and wear resistance. The components are precision machined to ensure accurate gear tooth profiles and smooth meshing. The finish is standard raw steel, engineered for robust performance within automotive axles.

Installation. Installation requires mechanical knowledge and proper tools but does not involve drilling or permanent modifications. Precision alignment and torque settings are necessary for correct installation and reliable operation.

Warranty. This product includes a warranty covering 2 years or 100,000 miles, providing confidence in durability and quality.

Application. Designed specifically to fit the 2007 to 2013 Silverado 1500, ensuring compatibility with this vehicle's rear axle setup.

Technical Note. Installation costs will vary, but a good rule of thumb is between $250 and $300. Be sure to work with a reliable shop that you trust for installations.

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