My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

Michelin 25603 Pilot Sport 4S 275/35R18 99Y Ultra-High Performance Tire

(Chevrolet Corvette 2006-13; Cadillac CTS 2014-19, ATS 2016-19, CT4 2022-25; Dodge Viper 1999-2006, 2008-10; Mercedes-Benz CLS550 2007-10 + 16 more models)

Part of: Michelin Pilot Sport Ultra High Performance Tire

Other options in this family: Michelin 88176 Michelin 73134 Michelin 58841 Michelin 22176 Michelin 73316

Manufacturer

Picture for manufacturer Michelin

Part Number

25603
7 reviews
Sale Price

$314.99

In Stock (10+)

delivery box

Usually delivered within 2 days

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Receive $80 via Visa® Reward Card or Visa® Virtual Account after online submission on purchases of four (4) new Michelin passenger or light truck tires.
Show details for Michelin 25603 Pilot Sport 4S 275/35R18 99Y Ultra-High Performance Tire
Picture of Michelin 25603 Pilot Sport 4S 275/35R18 99Y Ultra-High Performance Tire
Picture of Michelin 25603 Pilot Sport 4S 275/35R18 99Y Ultra-High Performance Tire
Picture of Michelin 25603 Pilot Sport 4S 275/35R18 99Y Ultra-High Performance Tire

Wheels and Tires sold separately

Michelin 25603 Pilot Sport 4S 275/35R18 99Y Ultra-High Performance Tire — image 1
Michelin 25603 Pilot Sport 4S 275/35R18 99Y Ultra-High Performance Tire — image 2
Michelin 25603 Pilot Sport 4S 275/35R18 99Y Ultra-High Performance Tire — image 3
Michelin 25603 Pilot Sport 4S 275/35R18 99Y Ultra-High Performance Tire — image 4
Product Details

The Michelin Pilot Sport 4S is an ultra-high-performance summer tire engineered for sports cars, performance sedans, and high-powered coupes. Designed to deliver exceptional grip and precision during spirited driving, this tire combines track-worthy performance with everyday usability.

Key Features:

  • Dynamic Response Technology provides ultra-precise steering response and exceptional road feedback
  • Bi-compound tread design with a high-rigidity outer shoulder for enhanced cornering grip and a functional elastomer inner tread for superior wet traction
  • Premium Touch Design Technology ensures even contact pressure for maximum grip in dry and wet conditions
  • Advanced aramid and nylon belt construction delivers high-speed stability and durability
  • 30,000-mile limited tread life warranty for extended performance
  • Summer tire compound optimized for warm weather performance—not intended for winter or near-freezing conditions

The Pilot Sport 4S is the tire of choice for drivers who demand maximum performance from their vehicles. Whether carving through canyon roads or navigating daily commutes, this tire delivers confidence-inspiring grip, responsive handling, and predictable behavior at the limit.

Products specifications

Fits

Chevrolet Corvette 2006-13; Cadillac CTS 2014-19, ATS 2016-19, CT4 2022-25; Dodge Viper 1999-2006, 2008-10; Mercedes-Benz CLS550 2007-10, CLS500 2006, E55 AMG 1999-2002, CLS63 AMG 2007-11, SL600 1996-2002, SL320 1996-97 + 11 more models

Ply Rating

XL

Load Range

Extra Load

Max psi : 50
Tire Size

275/35ZR18XL

Measuring Rim Width

9

RPM

814

Radial Bias Flag

R

Sidewall

BSW

Load Index and Speed Rating

99

Service description

99Y

Load Index : 1709@50
Speed Rating : (Y)
Max PSI

51

Origin

USA

Section

275

Aspect Ratio

35

Rim Size

18

Overall Diameter

25.6

Load Index

1709@50

Load Capacity (LB)

1709

Maximum Pressure (psi)

50

Speed Rating

(Y)

Mileage Warranty

30K

UTQG

300 AA A

Tread Depth

9

thank you for your service PleaseGOOGLEJOHN316-17

Fast, got more than I expected. Very good service in the past

Good

Fast and easy

great price on tires

Very Pleased

Great so far, this is my first order! Jay

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy