The Precision Gear Ford 9 inch 5.00 ring and pinion with its 31 spline spool brings precision and performance to your Ford vehicle. This gearset is designed to deliver smooth, reliable operation, engineered for your specific needs. Its ultralight construction makes it lighter than industry standards, reducing weight while maintaining rigidity. This gearset is the perfect fit for your Ford, offering superior durability and longevity in demanding conditions. With its precise fit and lightweight design, this Precision Gear product is a must-have for any Ford enthusiast.