Alloy USA 10652S Front Axle Shaft Bearing Spacer for 1999-2005 Ford E-350 Econoline Club Wagon 2WD/4WD/1999-2005 Ford E-350 Super Duty 2WD/4WD 2003-2007 Ford E-450 Super Duty 2WD/4WD/1999-2009 Ford F-250 Super Duty 2WD/4WD Diesel

High tensile strength 4340 Chromoly is heat-treated, tempered and induction hardened to produce these heavy-duty axles that are up to 40% stronger than stock 1040 axles. Each axle shaft is backed by Alloy USA's exclusive ten-year warranty! Alloy USA use the latest splining technology to produce splines that are stronger than traditional cut splines. The shafts are then precision CNC machined and magnaflux inspected for cracks before receiving a slick black anodized finish.