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Air Pressure/Load Adjustment for High Speed Driving

Recommended High Speed Pressure & Load Capacity Adjustments

For S-Speed Rated Tires
Vehicle
Top Speed
Required Tire
Pressure Increase
Tire Load Capacity
% of Branded Maximum
S-Speed Rated Tire
35 psi O.E. Example
mph km/h psi bar % of value branded on sidewall psi lbs.
100 160 0 0 100% 35 1000
106 170 1 0.06 100% 36 1000
112 180 2 0.12 100% 37 1000

NOTES: Never exceed the maximum cold inflation pressure branded on the tire's sidewall.

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Additional Speed Rating Charts
R-Speed
S-Speed
T-Speed
U-Speed
H-Speed
Z-Speed
V-Speed
W-Speed
Y-Speed
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