The Pirelli P-Zero (PZ4) 255/35r19xl is a high performance summer tire designed for sports cars, coupes, and sedans. It features an asymmetric tread pattern that provides excellent grip and handling in both wet and dry conditions. The tire is also designed to reduce road noise and improve comfort. It has a speed rating of W (168 mph) and a load index of 98 (1,921 lbs).