These are a super high performance tire that are great for aggressive driving and especially for track days. I currently have another set on my 1977 911 for the last several yrs and bought this spare set and had them mounted on 6x15 Cookie Cutters. Just removed to powder coat the wheels so a killer deal here for another early car enthusiast in the club. They were over $200 ea when purchased. They have never been on the pavement. $150 for the set