Installation Time
(approx) 4 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
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$350.89 kit
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Features, Description, Q&A, Specs & Installation
Balanced 3.08 Gear Ratio Efficiency. The USA Standard Gear 8.50-Inch Axle Ring and Pinion Gear Kit; 3.08 Gear Ratio 1999-2017 Sierra 1500 is engineered to deliver the perfect balance between fuel efficiency and dependable torque. Ideal for highway cruising, it provides smoother performance while maintaining reliable towing and hauling capability for everyday use.
Durable Heat-Treated Steel Construction. Crafted from premium heat-treated steel, the gears on this USA Standard Gear 8.50-Inch Axle Ring and Pinion Gear Kit are built to resist wear, fatigue, and stress. The advanced heat treatment process enhances strength and durability, ensuring long-lasting reliability even under heavy loads and demanding driving conditions.
Precision-Cut Gear Engineering. Designed with precision-cut technology, the gears on this USA Standard Gear 8.50-Inch Axle Ring and Pinion Gear Kit deliver smooth operation and consistent performance. This reduces gear noise and vibration, resulting in a quieter, more comfortable driving experience while improving drivetrain efficiency.
Optimized Torque Distribution. With its 3.08 gear ratio, the USA Standard Gear 8.50-Inch Axle Ring and Pinion Gear Kit enhances torque delivery for balanced acceleration and fuel economy. Perfect for highway driving and light towing, it ensures dependable performance without sacrificing efficiency.
Installation. Putting this USA Standard Gear 8.50-Inch Axle Ring and Pinion Gear Kit; 3.08 Gear Ratio on your Sierra 1500 takes 4 hours to install.
Warranty. There is a limited warranty on this product.
Application. The USA Standard Gear 8.50-Inch Axle Ring and Pinion Gear Kit; 3.08 Gear Ratio fits 1999-2017 Sierra 1500 models.
USA Standard Gear ZG GM8.5-308
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation Info
Installation Time
(approx) 4 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
What's in the Box