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285-40zr18 tires

NT555 G2

Ultra High Performance (or UHP) tires have a speed rating of V or greater and are used on sports cars, super cars, and other powerful vehicles. Commonly featuring a wide footprint and low profile, UHP tires provide excellent traction and steering response but should not be used when temperatures are at 40 degrees or below.

Passenger tires are some of the most common tires you'll find on the roads today, and frequently used on coupes, sedans, hatchbacks, minivans, and other passenger vehicles. Passenger tires are available in a wide variety of types, such as all-season, winter, and ultra-high-performance.

This product is not covered by a manufacturer’s treadlife warranty.

Mileage Warranty

The maximum carrying capacity for a tire determined by the manufacturer.

Load Index

Maximum speed capability to safely carry a load for an extended period of time.

Max Speed

The maximum load carrying strength at the specified inflation pressure, also known as ply rating.

The side of the tire between the tread and rim, with cosmetic branding as well as information about the tire including manufacturer, model, size, etc.

Sidewall

Standards that measure treadwear, temperature resistance and traction, example: "640 A A".  The 640 is the treadwear test and it lasted 6.4 times longer than the comparison tire tested against.  The first "A" is the traction rating using straight-line wet traction on test surfaces (see information tables tab) and the second "A" is the temperature rating by testing operation at high speeds without heat-related failure (see information tables tab).

UTQG

Wet Traction is a piece of the UTQG for example if  UTQG is: 500 AA A, the wet traction piece is the second piece, the "AA".

Wet Traction

Measured in 32nds of an inch, this metric shows how much tread life is left on a tire, with the tire's traction & stopping capabilities greatly diminished at 4/32nds and less. Tire manufacturers include "tire wear bars" at 2/32nds to indicate when your tire is worn out.

Tread Depth

The highest inflation pressure (measured in pounds of force per square inch, PSI) the tire is designed to contain, and should only be used when called for by the vehicle placard.

Inflation Pressure

An identifier of a particular tire line and size combination assigned by the tire manufacturer.

Part Number

Tread design (or tread pattern) can affect handling, traction & noise for different driving styles & road conditions.

Tread Design

Tire Weight

The measurement of width from a tires inner sidewall to the outer sidewall.

Section Width

The range of widths the rim of the vehicle can be for this tire to be safely mounted on.

Rim Range

The diameter of a tire that is inflated without any load applied.

Overall Diameter

NT555RII

Racing tires offer drivers strong performance on the drag strip, race track, street track, or dirt track. These tires are available in different varieties, but are typically built to provide quicker acceleration, responsive steering, and improved braking for faster lap times.

5 tires available in 285-40zr18

In Size 285-40zr18

With similar, but improved specs to the factory tire

Best match:

Best match to original tire

Based on verified customer reviews, this tire has been highly rated.

Top rated:

Best customer reviewed tire.

Consistently rated as excellent by experts with the highest SimpleScore among the top 5 tires.

Top SimpleScore&trade;:

Chosen by our tire experts.

ExtremeContact Sport

Summer tires are designed for use in warmer weather or in areas where the temperatures does not drop below 40 degrees. These tires are ideal for ue in warm, dry, and wet conditions that are common in the summertime.

This product is covered by a 30,000 mile manufacturer’s treadlife warranty. Merchandise covered by a manufacturer’s warranty is sold with the warranty by the 
        manufacturer extended to the purchaser. We will be happy to assist in obtaining fulfillment of a manufacturer’s 
        warranty. Other than applicable manufacturers’ warranties, there are no warranties, express or implied, 
        including any warranty of merchantability or fitness for a particular purpose. The only tires SimpleTire can 
        warranty are brand new defects (meaning that they have not been mounted or driven on). Any bead damaged will be 
        void of any warranty claim. Any other adjustments should be taken to the nearest authorized dealer for that 
        manufacturer. Sometimes the manufacturer also provides a treadlife warranty and mileage rating. Please be aware 
        that not all tires hold a mileage warranty from the manufacturer. Different tire models, even from the same 
        manufacturer, may or may not come with a treadlife warranty.

285/40zR18 nitto Tires

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Nitto NT555 G2
105W XL | In stock

Category
UHP
Vehicle
Passenger
Mileage Warranty
N/A

Load Index
2039 lbs (105)
Max Speed
168 MPH (W)
Load Range
Extra (XL)
Sidewall
Blackwall
UTQG
320AAA
Wet Traction
AA
Tread Depth
11/32nds
Inflation Pressure
50 PSI
Part Number
211330
Tread Design
Symmetrical
Tire Weight
31.64 lbs
Section Width
11.42"
Rim Range
9.50-11.00"
Overall Diameter
26.97"

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Nitto NT555RII
96W LL | In stock

Category
Racing
Vehicle
Passenger
Mileage Warranty
N/A

Load Index
1565 lbs (96)
Max Speed
168 MPH (W)
Load Range
Light (LL)
Sidewall
Blackwall
UTQG
100AA
Wet Traction
A
Tread Depth
6.3/32nds
Inflation Pressure
44 PSI
Part Number
108540
Tread Design
Symmetrical
Tire Weight
28.44 lbs
Section Width
11.42"
Rim Range
9.50-11.00"
Overall Diameter
26.97"

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285/40zR18 nitto Tires

Nitto NT555 G2 105W XL | In stock

CategoryUHPVehiclePassengerMileage WarrantyN/A

Load Index2039 lbs (105) Max Speed168 MPH (W) Load RangeExtra (XL) SidewallBlackwall UTQG320AAA Wet TractionAA Tread Depth11/32nds Inflation Pressure50 PSI Part Number211330 Tread DesignSymmetrical Tire Weight31.64 lbs Section Width11.42" Rim Range9.50-11.00" Overall Diameter26.97"

Join the SimpleCrew and get exclusive perks.

Nitto NT555RII 96W LL | In stock

CategoryRacingVehiclePassengerMileage WarrantyN/A

Load Index1565 lbs (96) Max Speed168 MPH (W) Load RangeLight (LL) SidewallBlackwall UTQG100AA Wet TractionA Tread Depth6.3/32nds Inflation Pressure44 PSI Part Number108540 Tread DesignSymmetrical Tire Weight28.44 lbs Section Width11.42" Rim Range9.50-11.00" Overall Diameter26.97"