BMR 79-04 Ford Mustang 1.25in Rear Weld-on Anti-roll Bar Kit - Hollow - BlackFits 1979 2004 Mustangs; Manufactured from 1. 25 inch heavy duty DOM tubing ; Manufactured from 0. 179 inch laser cut steel plate; Heavy duty Teflon lined rod ends; 88 durometer greaseable polyurethane bushings; Includes Grade 8 Hardware; Weld on design ensures durability on the track; Drastically reduces body roll; Transfers more power to the ground; Massive increase in sway bar rate over stock sway bar, depending on year and model; Sway bar rate