Richmond 8.5-Inch and 8.6-Inch Rear Axle Ring and Pinion Gear Kit; 5.38 Gear Ratio (07-13 Silverado 1500)Find parts that fit my vehicle

High-Performance Differential. The Richmond 8.5-Inch and 8.6-Inch Rear Axle Ring and Pinion Gear Kit with a 5.38 gear ratio is designed to replace and upgrade your vehicle’s factory differential gears, improving power transfer and vehicle efficiency. It ensures optimal torque distribution between wheels, enhancing traction and vehicle control in various driving conditions.

Construction and Appearance. This kit features gears crafted from durable 8620 steel, known for its strength and wear resistance. The ring gear measures 8.5 inches in diameter with 43 teeth and is paired with an 8-tooth pinion gear with 30 splines, finished with a standard rotation for smooth operation and longevity.

Installation. Installation requires moderate mechanical skills and adherence to specific carrier ratio compatibility, including a 2.73 or higher ratio carrier. No drilling is necessary, but the use of a notched cross pin (part# 80-0272-1) is required for proper alignment and fitment.

Warranty. This ring and pinion gear kit comes with a two-year or 100,000-mile warranty, offering reliable long-term use.

Application. Fits 07-13 Silverado 1500, compatible with vehicles requiring a 5.38 gear ratio and 10-bolt GM 8.5/8.625-inch differential 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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