PROGRESS REAR ANTI ROLL BAR 24MM ARB CIVIC EP3 INTEGRA DC5Progress 24mm Anti Roll Bar kit. Progress Anti Roll Bars improve lateral stability without stiffening normal suspension movement. Anti roll bars minimise body roll, which stabilises the tire contact patch for maximum traction. That's important because all of the weight and power of your vehicle is transmitted to the road over a mere handful of square inches called the tyre contact patch. Most fwd road cars have moderate understeer. The sway bars are