4.11 Ratio Ring and Pinion Gear Set

Each set undergoes rigorous in-house quality evaluation, including dimensional, material, and fitment testing, to ensure it meets stringent standards. This versatile upgrade is designed for GM 8.5-inch and 8.6-inch differentials. It features a 4.11 gear ratio, providing an optimal balance between acceleration and highway cruising capabilities, allowing you to maximize your engine's power output. The set includes a 30-spline pinion, 10 ring gear bolts, and an 8.50-inch ring gear diameter. This ring and pinion set is compatible with a wide array of GM vehicles, spanning from classic models like the Buick Apollo (1973-1975) and Chevrolet Camaro (1970-1981) to more modern trucks such as the Chevrolet Silverado 1500 and GMC Sierra (1999-2017). The product is also suitable for models like the Cadillac Escalade and Buick Electra, among many others, making it a versatile choice for various build projects, from restorations to performance upgrades. Owners have reported significant performance improvements, with one Chevrolet Silverado 1500 owner noting increased responsiveness and improved acceleration after installing the 4.11 gears, especially for towing. USA Standard Gear backs this product with a 1-year warranty against manufacturer defects, providing a reliable investment for both daily drivers and enthusiasts seeking an upgrade.