The Proxes Sport R is Toyo's extreme performance summer tire, engineered for autocross, time attack, endurance racing and HPDE use. This size is 265/35ZR20 with a 99W load and speed rating, extra load construction, and a W rating good for 168 mph. Tread depth is 7.2/32 in and the UTQG grade is 200 A A. The tread pattern is directional, so the tires are fitted in a set rotation direction. Approved rim widths run 9.0 to 10.5 in (9.5 in measuring rim), giving an overall diameter of 27.3 in.
Specifications
| Type | Extreme performance summer tire (Toyo Proxes Sport R) |
| Size | 265/35ZR20 |
| Load Index / Speed Rating | 99W |
| Load Range | Extra Load (XL) |
| UTQG | 200 A A (treadwear 200, traction A, temperature A) |
| Tread Depth | 7.2/32 in |
| Sidewall | Black sidewall (BSW) |
| Approved Rim Width | 9.0 to 10.5 in (9.5 in measuring rim) |
| Overall Diameter | 27.3 in |
| Revolutions per Mile | 760 |
| Quantity | 1 (sold individually) |
| Part Number | 178190 |
Shipping
- In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Backordered items ship as soon as stock lands — contact us for lead times.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30-day returns on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
- Installed or used parts can’t be returned — confirm fitment before you install.
- Special orders and custom items are final sale.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Refund Policy
