Hankook K107 - Hankook Ventus S1 evo K107 in a 265/35ZR18 size was built for improved durability and improved performance at high speed. Seen an a replacement to the K106, the K107 gives drivers a more stable high speed rive with greater durability. A strong motorsports backer, Hankook is making inroads to the road racing scene in North America through both club racers and pro series support in the Hankook United States Touring Car Championship, F2000 Series, Formula Drift and the NASA Performance Touring classes, among others.