USA Standard Gear 8.6-Inch Posi Rear Axle Ring and Pinion Gear Kit with Install Kit; 4.11 Gear Ratio (09-17 Silverado 1500)Find parts that fit my vehicle

Gear Kit Overview. The USA Standard Gear 8.6-Inch Posi Rear Axle Ring and Pinion Gear Kit with Install Kit; 4.11 Gear Ratio contains components intended to replace or upgrade the rear differential parts of compatible vehicles. It features a limited slip posi carrier designed to enhance traction and torque distribution under varying driving conditions. The kit includes major components necessary for installation to provide a complete replacement or upgrade.

Construction and Components. This kit includes an 8.6-inch diameter ring gear matched with a 4.11 ratio pinion gear, both made from precision-machined steel. The master install kit contains premium Koyo bearings and required small parts. The 30 spline Yukon Dura Grip clutch-style limited slip carrier is fully rebuildable to support durability and sustained performance.

Installation. Installation requires moderate mechanical skills with proper torque settings and differential adjustments. No drilling or axle housing modifications are required when following correct service procedures.

Application. Designed to fit vehicles equipped with a 10 bolt rear cover and 10 bolt ring gear, including the 2009-2017 Chevrolet Silverado 1500 among other compatible GM models, this kit provides factory-style fitment.

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