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FS821

Severe Service

Firestone FS821

The FS821 is a dependable, durable and long wear all-position tire that delivers 15% longer mileage and 9% better wet traction than the previous generation FS820. The new FS821 has an aggressive pattern design with optimized grooves to combat the retention of casing-damaging stones.

Specialized Features

Optimized Groove Design
Improved groove angles to prevent stone retention and maintain casing retreadability
Stone Rejector Platforms
Design feature that prevents stones from becoming trapped in the tread to protect the casing from potential damage
Improved Footprint Area
New design that maintains better contact area throughout the life of the tread for smooth even wear
Multiple Gripping Edges
50% more biting edges than previous generation FS820, allowing for improved wet and snow traction
SPECIAL TREAD COMPOUNDS
Help resist cuts, chips and tears for long original tread life
RUGGED FOUR-RIB DESIGN WITH OPTIMIZED GROOVES
Combats stone retention for long mileage and retreadablity
EXTRA-DEEP, WIDE TREAD WITH MORE BITING EDGES
Provides excellent traction, increased tread life
ALL STEEL CASING AND CAP/BASE COMPOUNDING
Resists cuts and improves durability and retreadability
STONE REJECTOR PLATFORMS
Help prevent the retention of casing-damaging stones for enhanced retreadability

Specifications

Selection

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Details

Application
Severe Service
Article Number
3159
Tire Size
11R22.5
Compound
Ply/Star Rating
16
Tread Depth (32nds) (mm)
24 19
Application
Severe Service
Article Number
3164
Tire Size
315/80R22.5
Compound
Ply/Star Rating
20
Tread Depth (32nds) (mm)
26 20.6
Application
Severe Service
Article Number
3161
Tire Size
11R24.5
Compound
Ply/Star Rating
16
Tread Depth (32nds) (mm)
24 19

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