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.

Product Note: THIS SPOOL IS MACHINED FOR A 1.780 I.D. CARRIER BEARING COMMONLY USED IN 2.893 AND 3.062 CASES. SPOOL MAY BE USED IN 3.250 CASES WHEN USED WITH MWE57510 SPOOL/CARRIER SHIM SET WHICH INCREASES CARRIER BEARING O.D. FROM 1.780 TO 2.00 TO INSTALL BEARINGS USED WITH 3.250 CASES.