Originally Posted by itf joegun
Those are the specs of my tires:
2x MICHELIN 245/35R20 95Y PILOT SUPER SPORT UHP FSL
2x MICHELIN 285/30R20 99Y PILOT SUPER SPORT UHP FSL
If the front tire doesn't have K1 marking, are you sure they're 95Y, and not 91Y. I believe the 245/35/20 PSS without K1 has a 91Y load index.