Toyo Proxes RA1 225/50ZR16 NONE Racetrack & Autocross Only Tire
⚡ Price Comparison Summary:
Weekly updated prices from top retailers 2 retailers, the best price for the Toyo Proxes RA1 225/50ZR16 NONE Racetrack & Autocross Only Tire is $303.11, currently matched by Tire Rack and SimpleTire.$303.11
As a seasoned tire expert, I’m here to talk about a true legend in the world of high-performance driving: the Toyo Proxes RA1. Specifically designed for serious competitors, this 225/50ZR16 tire is engineered to deliver relentless grip and precision handling where it matters most – on the racetrack and during autocross events. It’s not just a tire; it’s a critical component for shaving seconds off your lap times.
The Proxes RA1 is built for consistent performance under extreme conditions. Its advanced R-compound tread maximizes traction in dry, warm environments, providing predictable feedback and exceptional stability through aggressive turns. The “ZR” in its size designation signifies a speed rating exceeding 149 mph, confirming its readiness for the intense demands of competitive driving. Please remember, this is strictly a Racetrack & Autocross Only tire, optimized for peak performance in controlled, high-temperature settings and absolutely not intended for public road use or cold weather conditions.
Features
- DOT-Approved R-Compound for maximum dry grip
- Optimized tread design for consistent lap times and predictable handling
- Reinforced sidewall construction for superior responsiveness
- Exceptional heat resistance for sustained track performance
Technical Specifications
- Model: Toyo Proxes RA1
- Size: 225/50ZR16
- Usage: Racetrack & Autocross Only
- Part Number: 236890
- Speed Rating: Z (Exceeds 149 mph)
- Seasonal Capability: Warm/Dry Conditions
Product information is compiled and reviewed by our editorial team using manufacturer specifications and retailer data.

