You don't need a Z rating. H is fine if you're staying on public roads. Z isn't even as high as other ratings: I think W and V are higher. Also, you can run a bunch of sizes: 205/55, 215/50, 225/50 and others will work.
Well I ordered the Goodyear Eagle F1 GS-D3's with all he good things I've heard about them I couldn't pass them up for 98 bucks (88 with the $40 rebate from goodyear ).
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