High-Performance Gear Kit. The Ford Performance IRS Ring and Pinion Gear Kit with a 3.55 gear ratio is engineered to enhance your Mustang's driveline performance by providing optimal gear ratios for effective power delivery. This kit is designed specifically for the Super 8.8-inch IRS center section, ensuring compatibility and improved vehicle dynamics in track or competition settings.

Precision Manufacturing. Constructed in the United States at Ford’s Sterling Axle Plant using OEM-quality materials, this ring and pinion set features superior surface finish and hardening processes. These manufacturing standards deliver durable, quiet-running gears that maintain consistent performance over time.

Installation Information. Installation requires the corresponding Mustang 8.8-inch ring gear and pinion install kit. The process generally demands mechanical expertise but does not involve drilling or permanent modifications, making it suitable for professional installation.

Warranty Coverage. This product is backed by an available warranty ensuring reliability and customer satisfaction.

Application Details. Designed exclusively for use on Mustang models from 2015 through 2026, this gear set supports the Super 8.8-inch IRS center section with attention to compatibility, excluding use with incompatible differential ratios as specified.

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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