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 305/30ZR19 XL size

In the size code 305/30R19, 305 is the section width in millimetres (about 12"). 30 is the aspect ratio — the sidewall height is 30% of the width, or roughly 91.5 mm. R19 means radial construction on a 19-inch wheel, giving an approximate overall diameter of 26.2".

The load index 102 means each tire supports up to 1,874 lbs — about 7,496 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.

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 $434.88 per tire, a full set of four costs $1739.52. That is about 31% above the average of the 22 tires we stock in this size, reflecting its position in the range.