Have you tried Cost-co?

I was in t'other week getting two new fronts for the Passat and they had loads of Michelin pilot sport 2s in, unsure if they had your specific size however...

I'd buy them from there and get elsewhere to fit-wouldn't fancy letting them touch anything not made out of steel!

My father is a member if they have what you need and don't have a card.

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2007 2.7 Cayman, Guards Red
North West, United Kingdom.