GTSTAHFB4X / GTSTAHFB4X - Application Notes Front & Rear Stabilizer Bars. You've got to balance your car and keep your tires planted firmly on the ground. That's what stabilizer bars are for. They keep your car from rolling excessively in the corners while keeping maximum tire contact with the road. Original equipment stabilizer bars are often way too small for true performance. The front and rear bars are made from high-strength, aircraft-grade steel. All bars come complete with quality hardware, silicone-impregnated polyurethane bushings and instructions. Front and rear stabilizer bars are sold in matched sets for optimum balance and are complete with quality hardware, silicone-impregnated polyurethane bushings and instructions. Available for most newer vehicles.