Toyo Tires 178370 Proxes Sport R 335/30ZR18 102W Summer Performance Tire

The Toyo Proxes Sport R 335/30ZR18 102W is an extreme-performance summer tire engineered for autocross, time attack, endurance racing, and high-performance driving events (HPDE). Built to compete in racing classes that require a minimum 7/32" tread depth, the Proxes Sport R delivers race-ready grip without sacrificing DOT street legality.

Key Features:

• High-Grip Compound: Quickly reaches optimal operating temperature, maintains traction consistency throughout the wear life, and performs in both wet and dry conditions
• Reinforced Casing with Jointless Cap Ply: Provides tread surface rigidity for responsive handling and promotes long, even wear
• Directional Tread Pattern with Large Shoulder Blocks: Maximizes road contact via a long contact patch, enhances braking and traction performance, and improves cornering with high entry stability and exit traction
• UTQG Rated 200 AA: Meets the 7/32" tread depth specification required for competitive racing class eligibility
• Summer Tire: Optimized for warm-weather performance — not intended for use in near-freezing temperatures, snow, or ice

The Proxes Sport R is sized at 335/30ZR18 with a 102W service description, mounting on an 18-inch rim. This tire is part of Toyo's performance-focused Proxes line, designed for drivers who demand precision handling and consistent grip at the limit.