Is is possible to install both an anti-sway bar and an axle truss/protector on a rear axle?

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97 150 SC 4x4, 4.6L, 3.55, 265/75R16, First Ford truck; bought used 4-00 with 55,500 miles, Added: Molded Ford mud guards (front), Class IV Receiver hitch, Delta Truk Pockit toolbox, Dupli-Color roll-on liner on bed front & sides, Bed mat, Ventshade Stepshields