FIRESTONE STEER TIRE FS509

Key features

• Longer tread life: Shoulder-wear protection helps reduce irregular shoulder wear.
• Fuel efficiency: A continuous shoulder rib helps reduce rolling resistance.
• Long, even wear: Stress-relief sipes help fight irregular wear along the main ribs.

Variations

FS509 comes in multiple sizes (the manufacturer page lists 5 sizes available).
Example size option often listed: 295/75R22.5 (Load Range G / 14 ply) with 6,175 lbs single / 5,675 lbs dual and 110 PSI max inflation.