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Nitto NT421Q - 255/55R18

NT421Q 255/55R18 Tire Specs

Size Diameter Width Rim
Range
Measured
Rim
Tread
Depth
Load
Range
Max
Load
Max
psi
Max
Speed
Weight Sidewall
Letters
Revs/Mile
255/55R18
109V XL BSW
29.02" 10.43" 7-9" 8" 12.2/32" Extra Load 2271 lbs 50 psi (V) 149 mph NA Black 716 Show Specs
75,000 MileTread Warranty
Nitto NT421Q 255/55R18
NT421QAll Season

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The Nitto NT421Q is a premier all season tire intended for use on SUVs and CUVs. It is a radial tire that provides excellent handling and traction in all weather environments including snow, while delivering a smooth ride. The NT421Q comes in H and V and W-speed rated sizes.

The 255/55R18 Nitto NT421Q has a diameter of 29.02", a width of 10.43", mounts on a 18" rim and has 716 revolutions per mile. It, has a max load of 2271 lbs, has a maximum air pressure of 50 psi, a tread depth of 12.2/32" and should be used on a rim width of 7-9".



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