The hollow design allows for loads of strength without adding a lot of weight. This allows for more sway bar control, which equals better handling. When performance is a must, rely on BMR SuspensionBMR Suspensions SB013 sway bars are available in black hammertone and red powdercoat for long - lasting good looks. Installation time is about 1 - 2 hours. Proudly made in the U.S.A.Hole 1 91 stiffer than OE barHole 2 164 stiffer than OE barHole 3 286 stiffer than OE bar