Graff Chevrolet Collision Center works on all makes and models. Factory certified repairs with a written lifetime warranty. Everything from major collision repair to custom car work. Paintless Dent Removal/Repair (PDR) to repair dings and dents without compromising your original factory finish. Towing and free estimates available. I-CAR Gold award means the very best collision and auto body repair in the industry. Factory certified collision repair in Grand Prairie.