Back when Pirelli was offering a deal on P ZERO's to members of the club I bought a set. Then just before the deal ended I bought another set and stored them in my garage. Well now the time has come to install the second set and I was informed today by the tire shop that rears that Pirelli set me are 18" dia. In all reality both the front and rear tires are a different size.

First set
295/30 ZR 18
335/30 ZR 19

Second set
285/30 ZR 18
335?30 ZR 18

I can live with the front tires but the back will not work. Yes I know I should have checked at the time I received them. I now no longer have the contact info and I can not find the invoice. I would imagine that I have had these tires sitting in my garage for over a year now. What do you guys think? Am I stuck with the wrong rears.