Ring and Pinion Gear Set 4.11:1

The USA Standard Gear ZG F7.5-411 is a direct replacement ring and pinion gear set engineered for Ford 7.5-inch axles. It provides a 4.11:1 gear ratio, ideal for enthusiasts looking to alter their vehicle's performance characteristics, such as improving acceleration or fuel economy depending on tire size and driving conditions. This gear set features a 7.50-inch ring gear diameter and requires 10 ring gear bolts for installation. The pinion is designed with 28 splines, ensuring a secure fit within compatible axle assemblies. USA Standard gears are recognized for their durability and are built using current designs and manufacturing technologies to provide a strong and reliable gear set for replacement or performance upgrades. This ring and pinion set is compatible with Ford 7.5" axles, including various Mustang models from 1979 to 2010. It is also listed as fitting some GM applications, though specific fitment details for GM axles are not detailed in the provided information. Professional installation is recommended to ensure proper setup and function, as incorrect installation can lead to premature wear or failure.