Uniroyal Power Paw A/S 255/40R18 Tires

Uniroyal Power Paw A/S 255/40R18 XL 99Y is an ultra high performance all-season tire priced from $185.99.

Uniroyal Power Paw A/S 255/40R18 XL 99Y Tire Specs

255/40R18 is a Metric tire used as an original equipment on a variety of popular passenger cars. It also comes in a P-Metric (P255/40R18) variant

Let us decode each aspect of the tire size code to have a full understanding what this tire size means.

255 is a section width of the tire from one sidewall to the other. Tire tread width is typically a bit narrower than the section width. Section width of 255/40R18 tire is 255 millimeters.

40 represents the aspect ratio of a tire, which is a ratio of the tire's sidewall height to its width. For 255/40R18 tire, the sidewall height is 40% of its tread width.

R denotes that 255/40R18 tire has radial construction.

18 represents the wheel diameter in inches that the tire is designed to fit. 255/40R18 can be mounted on rims with 18 inches in diameter.

XL denotes the load range of a tire. XL stands for Extra Load. Tires with this designation are constructed to carry more weight than standard load tires of the same size. This is achieved by reinforcing the tire's construction, often through additional or stronger layers known as plies.

99 indicates the load index. A tire with a load index of 99 can support a maximum load of 1709 pounds or 775 kilograms per tire.

Y indicates the speed rating. A tire with a speed rating of Y is approved for speeds up to 186 miles per hour or 299 kilometers per hour under optimal conditions.

Maximum inflation for Uniroyal Power Paw A/S 255/40R18 tire is 50 psi.

Uniform Tire Quality Grading System (UTQG) rating for Uniroyal Power Paw A/S 255/40R18 tire is 500 B A.

Tire manufacturer part number (MPN) is 36067.

Uniroyal Power Paw A/S
Buy from $185.99

255/40R18 Dimensions Chart

Uniroyal Power Paw A/S 255/40R18 tire has a diameter of 26", a width of 10", mounts on a 18" rim, and makes 776 revolutions per mile.

Metric Inches
Tire Width 255 mm 10"
Aspect Ratio 40%
Rim Diameter 457 mm 18"
Tire Diameter 661 mm 26"
Sidewall Height 102 mm 4"
Circumference 2076 mm 81.6"
Revolutions 482 per km 776 per mile

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