Firestone 003164 FS821 315/80R22.5 Commercial Truck Tire 157/154K Load Range L

The Firestone FS821 is a heavy-duty commercial truck tire engineered for all-position use in severe service applications. Designed for medium to heavy-duty trucks and buses, this tire delivers exceptional performance across highway and mixed on/off-road conditions.

Key Features:

• Three Peak Mountain Snowflake Certified: Tested and approved for use in moderate to severe winter weather conditions, providing confident all-season traction
• Rugged Four-Rib Tread Design: Features optimized grooves with 50% more biting edges than previous models for enhanced grip on wet and snowy roads
• All-Steel Casing Construction: Reinforced with special cap/base compounding to maintain tire shape under heavy loads and resist deformation
• Stone Rejector Platforms: Actively eject stones and debris from the tread grooves to prevent casing damage and extend tire life
• Extra-Deep, Wide Tread: Provides longer tread life and improved traction through extended wear
• Advanced Compound Technology: Durable rubber compound resists cuts, chips, and tears while maintaining flexibility in varying temperatures
• Zigzag Circumferential Grooves: Efficiently disperse water and slush to reduce hydroplaning risk

The FS821's large footprint ensures even weight distribution across the tread area, promoting uniform wear patterns and maximizing service life. With a Load Range L (20 ply rating) and service description of 157/154K, this tire safely handles demanding commercial loads. The black sidewall design complements professional fleet vehicles while the reinforced construction delivers the strength and durability required for severe service applications.