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Extreme Performance Summer Tire
The Toyo Proxes Sport R 225/45R15 87V XL is an extreme performance summer tire for autocross, time attack, endurance racing, and high performance driving events. Part 178270 uses a directional tread pattern, reinforced casing, and high grip compound.
Key Features
- 225/45R15 size with 87V load and speed rating.
- Extra Load construction.
- Directional tread pattern with large shoulder blocks and connected center rib.
- 200 A A UTQG treadwear rating.
- 7/32 inch tread depth specification for competitive racing class requirements.
Fitment
| Application | Compatibility | Requirements |
|---|---|---|
| Universal application | Passenger vehicles using 225/45R15 87V XL tires | Confirm tire size, load rating, speed rating, clearance, and wheel compatibility before installation. |
Specifications
| Detail | Value |
|---|---|
| Brand | Toyo |
| Product line | Proxes Sport R |
| Tire size | 225/45R15 |
| Load and speed rating | 87V |
| Load range | Extra Load |
| Tread pattern | Directional |
| UTQG | 200 A A |
| Manufacturer part number | 178270 |
What's Included
- One Toyo Proxes Sport R 225/45R15 87V XL tire, part 178270.
About Toyo Tires
Toyo Tires develops tires for performance, passenger, light truck, and motorsports applications. The Proxes Sport R is designed for extreme performance summer driving and track use.
FAQ
What tire size is this?This tire is sized 225/45R15 with a 87V load and speed rating.
Is this an all season tire?No. This is an extreme performance summer tire.
What vehicles can use this tire?Use it only on vehicles approved for the listed tire size, load rating, and speed rating.
Is this tire intended for track use?It is designed for autocross, time attack, endurance racing, and high performance driving events.
What does XL mean?XL identifies Extra Load construction.
What tread pattern does it use?It uses a directional tread pattern.
Can it be used in cold or snowy conditions?Use summer tires only within their intended operating conditions and follow tire manufacturer safety guidance.
How many tires are included?The package contains one tire.
Installation Instructions
- Confirm the vehicle requires the listed tire size, load rating, and speed rating.
- Have the tire mounted and balanced by qualified tire service personnel.
- Inspect wheel condition and confirm the tire bead seats correctly.
- Inflate to the vehicle manufacturer specified pressure.
- Check clearance through steering and suspension travel.
- Follow the vehicle and tire manufacturer break in, inspection, and maintenance guidance.
TOYO
TOYO tires cover passenger cars, sport trucks, SUVs, off-road rigs, performance builds, and commercial applications. Shop Proxes Sport R tires, Proxes Sport 2 tires, Proxes ST III tires, Open Country R/T Pro tires, Celsius II tires, all-weather tires, sport-truck tires, high-performance summer tires, off-road tires, and truck tire sizes. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct tire ships the first time. Black Ops Auto Works carries 225 TOYO SKUs across performance street tires, sport-truck tires, all-weather options, off-road traction, passenger tires, and commercial truck applications. What This TOYO Collection Covers TOYO supports broad vehicle use from performance coupes and sedans to trucks, SUVs, Jeeps, and commercial vehicles. Proxes choices focus on street and sport performance, Open Country choices serve truck and off-road needs, and Celsius selections provide all-weather coverage for compatible passenger and crossove...
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Wheels & Tires
Wheels and tires for cars, trucks, SUVs, Jeeps, and custom builds are stocked at Black Ops Auto Works. Shop forged wheels, flow-formed wheels, cast wheels, truck wheels, off-road wheels, performance tires, all-terrain tires, mud-terrain tires, wheel spacers, hubcentric rings, lug nuts, valve stems, and TPMS sensors for Hellcat, Trackhawk, TRX, Wrangler, F-150, Silverado, and Tacoma platforms. Every product is filterable by bolt pattern, offset, diameter, width, tire size, and vehicle year, make, model, and trim so the correct fitment ships the first time. Black Ops Auto Works carries 13,150 wheel and tire SKUs across construction types, styles, and sizes. What This Category Covers Wheels and tires change a vehicle's stance, handling, and appearance more than any other single upgrade. Wheel-and-tire fitment is also the modification most affected by measurement accuracy, so confirm bolt pattern, center bore, offset, width, diameter, and fender clearance before ordering. Wheel Cons...
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