Dimensionally stable polyester carcass plies, ETEC System gives excellent strength, smooth ride and consistent footprint for maximized tread contact area maintained under highspeed conditions. The flat and oval footprint is enhanced wet grip in shallow water depths for excellent treadwear for an ultra-high performance tire. An All-season tread compound gives excellent wet and dry grip and the center rib with tapered lateral voids for excellent on-center feel.