Faster ratio. It takes it from 3.5 turns lock to lock, to 2.25 turns. If you do so, be sure to use the G body pitman arm as the F body arm will make the tie rods rub the frame. The con is the Camaro boxes have thicker stops internally, and can make it have a very big turning circle. However, this can be a benefit if you are running wide front tires as it will keep it from rubbing.