MichelinPilot Sport 4S275 /40 R19 105Y XL BSW FO

Upgrade to the Michelin Pilot Sport 4S 275/40R19 105Y XL BSW FO, a max-performance summer tire built for drivers who want precise steering, exceptional dry grip, confident wet braking, and road-to-occasional-track capability. This 275/40R19 Pilot Sport 4S is a popular fitment for select Ford Mustang Shelby GT350, Ford Mustang Shelby GT500, Ford GT, Ford Mustang Dark Horse, Ford Focus RS, Ford Mustang models, plus similar sports cars, performance sedans, premium EVs, and high-output SUVs using 19-inch wheels.

Why choose the Michelin Pilot Sport 4S in 275/40R19?

• Built for sport sedans, performance coupes, and daily-driven enthusiast vehicles: The 105Y XL service description adds extra load capacity for performance trims, larger wheels, staggered packages, passengers, and high-speed driving.

• Road and occasional track performance: Michelin positions the Pilot Sport 4S for approximately 80% road and 20% track use, making it a strong match for spirited street driving and occasional performance events.

• Dynamic Response Technology: The tire is engineered for ultra-precise steering response, strong cornering power, and connected handling at high speed.

• Multi-Compound Construction: Michelin uses a performance-focused tread design to help deliver dry grip, wet braking, and consistent control where drivers need it most.

• Premium performance pedigree: The Pilot Sport 4S is derived from the Pilot Super Sport and is acclaimed by performance manufacturers such as Mercedes-AMG, Ferrari, and Porsche.

Popular vehicle fitments for 275/40R19 Michelin Pilot Sport 4S

This tire size is commonly used on select trims or staggered applications of the Ford Mustang Shelby GT350, Ford Mustang Shelby GT500, Ford GT, Ford Mustang Dark Horse, Ford Focus RS, and Ford Mustang. It is also a strong option for comparable performance vehicles that use the same tire size, load rating, speed rating, wheel diameter, and any applicable OE marking.

Size and rating details

• 275/40R19: This size is designed for 19-inch wheels and is a practical choice for performance sedan and coupe fitments that need confident summer handling, braking, and steering precision.

• 105Y XL: The service description and load range identify the tire's load capacity and speed capability for the intended performance application.

• BSW: This version uses black sidewall styling for a clean performance look.

• Speed capability: This size carries Y-rated speed capability for high-performance summer driving.

• FO marking: This SKU includes a Ford marking, useful when matching a factory-style fitment or replacing tires on a vehicle originally equipped with the same designation.