Steeda Adjustable Front Sway Bar 1-3/8'' 555-1015 Ford Mustang 2015-2026Part Number: 555 1015 Steeda has the track proven anti roll bar combinations that will give you reduced body roll, adjustability, and the best handling of any sway bar package out on the market. Our press fit welded billet ends are far stronger than stamping the end of the bar. Billet machining construction of the Steeda Mustang Front and Rear Sway Bar ends makes for far greater strength for a bulletproof anti roll bar. Our sway bars have machined