Firestone Firehawk PV41 P225/60R16 97V OVERVIEW The PV41 tire from Firestone is designed specifically for use on police and emergency vehicles. The PV41 features an asymmetric all-season tread pattern with V-shaped tread elements and circumferential grooves for strong traction and performance a specialty tread formulation and high speed rating that allows for consistent performance a higher speeds making it the tire of choice for numerous state police departments.