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Image thumbnail for Kumho Ecsta PS31 245/40ZR17 91W

Kumho Ecsta PS31 245/40ZR17 91W

Kumho Ecsta PS31 245/40ZR17 91W

Summer Ultra-High Performance Passenger car tire.

Tire size is a code on the side of a tire that tells you its width, sidewall height, and the wheel size it fits.

Tire Size 245/40ZR17 91W

Load Index on a tire indicates the maximum weight it can support when properly inflated/mounted.

Load Rating 91

The Speed Rating on a tire is a letter code that shows the top speed it can safely handle when properly inflated/mounted.

Speed Rating W

The sidewall is the section of the tire extending from the tread down to the bead. It provides lateral stability.

Sidewall BSW

Numeric / Alpha Numeric code designated by the Tire Manufacturer.

Product Code 2268623

Load Capacity Single 1356

The maximum air pressure to which a tire should be inflated. This number is typically listed on the sidewall of the tire or a sticker on the driver’s side door of the vehicle.

Max Inflation Pressure 51

The physical weight your tire.

Weight 24.16

Approved Rim Width

Approved Rim Width 8.0-9.5

Tread Depth in 32nds of an inch

Tread Depth 10

Overall Diameter of Tire

Overall Diameter 24.7

Revolutions Per Mile

RPMs 809
Expert Rating 7.5

Expert Rating

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  • Solid center rib and stylish lateral grooves
  • Directional tread design
  • Wide lateral grooves
  • Wide four-channel circumferential grooves
  • 3D dimple design
  • Microgrooves with diagonal siping
  • Racing inspired, checkered design sidewall
  • Road Hazard Protection
  • Reinforce block stiffness and improve wet braking
  • Maximize water displacement when cornering and prevent irregular wear
  • Improve hydroplaning resistance
  • Minimizes heat build-up on tread blocks, enhancing high speed durability
  • Allow water to drain efficiently
  • Communicates the tires ultra-high performance capabilities

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