Michelin 31/71-R18 7M Race Tires for Ultimate Track Control

The Michelin Soft radial slick is utilized for dry surfaces in ambient air temperatures of 32-60 degrees Fahrenheit. It is an updated tire of the previous generation S7L compound with a new casing featuring an enhanced reinforced crown creating a more rectangular footprint. It is recommended for utilization at operating tire temperatures of 130-200 degrees Fahrenheit and designed to operate at pressures from 27.5 to 30 PSI hot with the recommended cold pressure of 22 PSI (as a starting point which can be fine-tuned to your car's set-up and driving style). Latest generation, recommended usage for GT3RSR (ex-ALMS), LMPC, LMP2, DP, Corvette, Viper ACR, and GT rear applications. Approx. weight: 28 lbs. Recommended wheel size: 12.0-13.5x18.

• Utilize the same technology in Competition Slicks that go into 24 Hours of Lemans winning products,
• Provides competitors an ideal balance of performance and durability,
• For dry/damp closed course use,
• New casing with improved crown and maximum footprint,
• Performance is optimized when ambient temperatures are higher than 32 degrees F,
• Optimum operating temperature range: 130-200 F,
• Optimum hot pressure range: 27.5-30 psi (1.9 BAR),
• Rim Width: 12.0-13.5,
• Section Width on Measuring Rim Width: 347 on 13.0,
• Overall Diameter: 28.0,
• Rev/Mile @ 45 mph: 734,
• Usage: Porsche GT3RSR (ex-ALMS), LMPC, LMP2, DP, Corvette, Viper ACR, and GT REAR.