Proxes R888R

About the Toyo Proxes R888R

DOT Approved Competition tire. Recommended for Competition Events Only.

Features

* High grip race compound* Optimized contact patch* Large tread blocks on outside tread* Wide center rib* Water evacuation channel

Benefits

* Reaches optimal operating temperature quickly and provides consistent performance* Improves grip for excellent cornering performance* Maximizes lateral grip for improved cornering* Improves directional stability and precise steering response* Assists with wet traction

Understanding the 315/30ZR18 size

In the size code 315/30R18, 315 is the section width in millimetres (about 12.4"). 30 is the aspect ratio — the sidewall height is 30% of the width, or roughly 94.5 mm. R18 means radial construction on a 18-inch wheel, giving an approximate overall diameter of 25.4".

The load index 98 means each tire supports up to 1,653 lbs — about 6,612 lbs across a full set of four. The speed symbol Y certifies the tire to 186 mph under its rated load. Always match or exceed the load index and speed rating listed on your vehicle's door-jamb placard.

What the Toyo Proxes R888R is built for

The Toyo Proxes R888R is a summer tire, tuned for maximum dry and wet grip in warm conditions; it is not intended for near-freezing temperatures. Fitment category: Passenger Car, CAR, Competition/Racing, Performance, UHP.

Tread life and grip ratings

This tire carries a UTQG rating of 100 AA A. The treadwear grade of 100 is a relative durability score — a grade of 200 is expected to last roughly twice as long as a grade of 100 under the same controlled test. Traction grade AA measures straight-line wet stopping grip (AA is highest, then A, B and C). Temperature grade A reflects heat resistance at sustained speed (A is highest).

Price and value

At $307.34 per tire, a full set of four costs $1229.36. That is about 13% below the average price of the 7 tires we stock in this size.