Yukon lightweight steel spool for Ford 9-inch with 31-spline axles offers full-time lockup while reducing rotating mass compared with a standard spool. It installs as a direct carrier replacement and supplies 100% traction to both wheels for off-road or racing applications. Made for strength and durability in performance use, it is not recommended for street-driven vehicles.
Yukon Gear Lightweight Steel Spool For Ford 9in w/ 31 Spline Axles