Ford Racing M-4209-88373A Ring Gear And Pinion Set

Ford Racing M-4209-88373A ring and pinion sets are engineered, manufactured, and tested for maximum performance in demanding applications. These precision-machined gears feature a durable black oxide coating that provides excellent corrosion resistance while reducing friction during break-in.

Key Features:

• Engineered and manufactured by Ford Racing for OEM quality and reliability
• Black oxide finish for corrosion protection and extended service life
• Precision-cut gear teeth for smooth, quiet operation
• Available in multiple ratios to optimize performance for your specific application
• Direct replacement for Ford differentials

Important Compatibility Note: 3.15 ratio differentials are not compatible with 3.31, 3.55, 3.73, and 4.09 ratio gears. For these ratios, use differential M-4204-MT or M-4204-M.

Competition Use Only: This product is designed and intended for competition use only. It should not be installed on vehicles driven on public roads and highways, as installation may violate U.S. and Canadian emissions laws and regulations.