Michelin Pilot Sport 4 S 245/35ZR19 (93Y) XL

Maximum Dry and Wet Grip for Your 245/35ZR19 Summer Sports Car or Performance Sedan

The Michelin MCH35860 is the Pilot Sport 4S in size 245/35ZR19 (93Y) XL, Michelin's flagship ultra-high-performance summer tire engineered for sports cars, performance coupes, and track-capable sedans. The MCH35860 uses Michelin's Bi-Compound tread technology with two distinct rubber formulations across the tire footprint, maximizing dry cornering grip on the outer shoulder while maintaining wet braking performance at the inner tread zone.

Key Features

• Bi-Compound Tread Technology: The MCH35860 uses two separate rubber compounds across its tread width, with a stiffer, grippier compound on the dry-grip outer shoulder and a silica-rich wet compound on the inner tread zone for balanced all-condition performance in summer use
• Variable Contact Patch 2.0: Michelin's tread geometry is engineered to increase contact area under cornering loads, boosting lateral grip when the tire is pressed into the road surface during aggressive driving
• XL Extra Load Construction (93Y): The 93Y XL rating supports high-load sports car applications while maintaining the high-speed stability expected at the Y-rated speed category
• Dynamic Response Technology: A hybrid belt structure combining aramid and nylon reinforcement provides high-speed stability and responsive steering feedback for precise handling
• Michelin Total Performance Warranty: Michelin backs Pilot Sport 4S with a standard materials and workmanship warranty

Specifications

What's Included

• 1x Michelin Pilot Sport 4S tire (245/35ZR19 (93Y) XL)

About Michelin

Michelin is one of the world's leading tire manufacturers and the creator of the Pilot Sport family, which has been the OEM tire specification on some of the world's fastest production cars including Porsche 911 variants, Ferrari, BMW M cars, Mercedes-AMG models, and Corvette. The Pilot Sport 4S represents Michelin's pinnacle of street-legal ultra-high-performance summer tire technology, combining race-derived compound science with practical street durability and wet weather capability.

Frequently Asked Questions

The MCH35860 is the Michelin Pilot Sport 4S in size 245/35ZR19 (93Y) XL. It is an ultra-high-performance summer tire with Bi-Compound tread technology engineered for sports cars and performance sedans that demand maximum dry grip and responsive handling.

Yes. The MCH35860 Pilot Sport 4S is a summer tire and should not be used in near-freezing temperatures, on snow, or on ice. Summer tire compounds harden significantly below approximately 7 degrees Celsius (45 degrees Fahrenheit), reducing grip and increasing stopping distances. In cold or wintry climates, a dedicated winter or all-season tire set is required for safe use.

The 245/35ZR19 size is a common front fitment on mid-engine and rear-wheel-drive performance cars including several BMW 3 Series M Sport and M340i configurations, Audi S4, Porsche 718 Cayman and Boxster variants, and other sport coupes and sedans. Always verify your vehicle's approved tire size on the door jamb placard.

The parentheses around 93Y indicate this is a ZR-rated construction with an XL extra-load structure. The 93 load index corresponds to a single-tire load capacity of 1,433 lbs, and Y indicates a speed rating above 186 mph under standard load conditions. The XL construction allows higher inflation pressures to support heavier loads while maintaining the performance characteristics of the tire.

Traditional tires use a single rubber formulation across the entire tread. Michelin's Bi-Compound system applies a stiffer, stickier compound to the outer shoulder, which bears the highest loads during cornering, while using a silica-rich compound in the inner tread for wet braking. This allows the MCH35860 to optimize grip for both dry cornering and wet stopping simultaneously instead of compromising between the two.

This listing is for a single tire. Most performance applications require matching tires on at least the same axle, and many owners replace all four tires together to maintain balanced handling characteristics.

The Pilot Sport 4S is one of the most capable street-legal summer tires available and is commonly used on track days by enthusiast drivers. It is not a dedicated race tire (DOT race), but it delivers very high levels of dry grip on circuit. Sustained track use will shorten tread life significantly faster than street-only use.

The MCH35860 carries a UTQG rating of 300 AA A, indicating a treadwear grade of 300 (performance tire wear life), traction grade AA (highest available wet stopping rating), and temperature grade A (highest heat resistance rating).

Installation Instructions

1. Have the MCH35860 mounted on a compatible 19-inch rim by a certified tire technician using a tire mounting machine. Low-profile performance tires require care during mounting to avoid bead or rim damage.
2. Balance the assembly using a computerized wheel balancer. Road force balancing is recommended for ultra-low-profile tires to minimize residual vibration.
3. Install on the vehicle and torque lug nuts to the manufacturer's specification in a star pattern.
4. Set cold inflation pressure to the vehicle manufacturer's recommended value on the door jamb placard. Do not use the max pressure on the tire sidewall.
5. Perform a TPMS reset if required by your vehicle after installation.
6. Allow a brief break-in period of approximately 100 miles at moderate speeds before pushing the tire to its performance limits.