The Allstar Performance Spool 9in Ford 31 Spline Ultralite is meticulously engineered for those who demand the best in performance. Constructed from high-quality steel and protected with a black powder coat, this ultra-lite spool is perfect for full-size vehicles, ensuring reliability and enhanced power distribution. Its 31 spline design fits perfectly within Ford 9-inch differentials, making it an ideal choice for competitive racing or high-performance applications. Lightweight yet sturdy, it's a must-have component in your drivetrain setup.