MichelinPilot Sport 4S305 /30 R20 99Y SL BSW GM RF

Outfit your performance vehicle with the Michelin Pilot Sport 4S 305/30R20 99Y SL BSW GMRF, 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 305/30R20 Pilot Sport 4S is a popular fitment for select Chevrolet Corvette Z06, Chevrolet Camaro ZL1, Chevrolet Corvette, Chevrolet Camaro, Cadillac CT4-V Blackwing, Cadillac CT5-V Blackwing models, plus similar sports cars, performance sedans, premium EVs, and high-output SUVs using 20-inch wheels.

Why choose the Michelin Pilot Sport 4S in 305/30R20?

• Built for sports cars, high-horsepower coupes, and staggered performance applications: The 99Y SL service description is tuned for standard-load performance applications that prioritize steering response and grip.

• 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 305/30R20 Michelin Pilot Sport 4S

This tire size is commonly used on select trims or staggered applications of the Chevrolet Corvette Z06, Chevrolet Camaro ZL1, Chevrolet Corvette, Chevrolet Camaro, Cadillac CT4-V Blackwing, and Cadillac CT5-V Blackwing. 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

• 305/30R20: This size is designed for 20-inch wheels and is a practical choice for sports car and staggered performance fitments that need strong dry grip, wet braking, and fast steering response.

• 99Y SL: 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.

• GMRF marking: This SKU includes a General Motors run-flat marking, useful when matching a factory-style fitment or replacing tires on a vehicle originally equipped with the same designation.