2- 255/35/zr19 Fronts .... 2- 285/30/zr20 Rears . A tire so can drive sooner in spring and later in fall , $1200.00 for all 4, my loss your gain , sold Stingray, will not fit Z06. thanks for looking.. in Winnipeg. the front two were take offs from bmw with 15 (fifteen)klms.