Between January 10th and January 16th, 2013, receive a $50 American Express Reward Card when you purchase a set of four (4) qualifying Kumho, Toyo, or Cooper brand tires. Qualifying tires are, Kumho Tires: Platinum LX, Ecsta 4X, LE Sport | Cooper: CS4, RS3A, RS3S, Discoverer AT3, Discoverer CTS, Zeon LTZ | Toyo: Proxes R1R, Proxes 4 Plus, Proxes T1 Sport, Proxes RR, Proxes R888, Versado LX2, Open Country HT, Versado CUV. Only valid on in stock items. Minimum purchase of 4 Tires. Discount cannot be applied to previous placed orders. Cannot be combined with any other instant offer. Can be combined with manufacturer promotions. Hurry while supplies last!