Firestone Firehawk PVS P225/60R16 97V OVERVIEW The Firehawk PVS from Falken is a winter tire that features aggressive blocky tread elements that are saturated with thousands of sipes for extra biting edges in deep snow and slush. The Firehawk PVS is specifically designed for winter traction for law enforcement vehicles and utilizes a specialized winter tread compound that stays flexible for traction in subfreezing weather.