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Yukon steel spool for Ford 8.8-inch with 31-spline axles converts an open differential to full-time lockup, delivering 100% traction to both wheels for off-road, racing, or performance use. It installs as a direct carrier replacement and is manufactured from high-quality, heat-treated 8620 steel for strength. Not recommended for street-driven vehicles due to constant lockup behavior.
Yukon Gear Steel Spool For Ford 8.8in w/ 31 Spline Axles
