Coil Spring / Tie Rod Sleeve / Stabilizer Bar KitThe two primary functions of sway bars are to control body roll and to determine the understeer or oversteer behavior of a vehicle. Stock sway bars have low torsional spring rates because they are manufactured from small diameter bar stock or tubing. BMR Suspensions SB008 front sway bar was designed by factoring in the vehicle weight, application, motion ratio, and coil spring rate. Manufactured f rom heavy duty, solid 32mm bar stock, the SB008 is