Nitto NT555RII P275/40R18 Tires

Nitto NT555RII P275/40R18 SL 94W is a track and competition tire priced from $289.00.

Nitto NT555RII P275/40R18 SL 94W Tire Specs

P275/40R18 is a P-Metric tire. It also comes in a Metric (275/40R18) variant

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

P indicates that P275/40R18 is a passenger tire.

275 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 P275/40R18 tire is 275 millimeters.

40 represents the aspect ratio of a tire, which is a ratio of the tire's sidewall height to its width. For P275/40R18 tire, the sidewall height is 40% of its tread width.

R denotes that P275/40R18 tire has radial construction.

18 represents the wheel diameter in inches that the tire is designed to fit. P275/40R18 can be mounted on rims with 18 inches in diameter.

SL denotes the load range of a tire. Standard Load or SL tires are typically found on passenger cars, smaller SUVs, and light trucks. These tires are designed to operate at standard inflation pressures and are not meant for carrying heavy loads.

94 indicates the load index. A tire with a load index of 94 can support a maximum load of 1477 pounds or 670 kilograms per tire.

W indicates the speed rating. A tire with a speed rating of W is approved for speeds up to 168 miles per hour or 270 kilometers per hour under optimal conditions.

Maximum inflation for Nitto NT555RII P275/40R18 tire is 44 psi.

Uniform Tire Quality Grading System (UTQG) rating for Nitto NT555RII P275/40R18 tire is 100 A A.

Tire manufacturer part number (MPN) is 108680.