^^i wouldn't recommend it. As far as i know, the best way to store tires is to keep them inflated (or inflate to max) and leave them standing on their contact patch away from concrete or anything else that might dry them out.
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Hot: 2001 Estoril M Roadster
ZCP 19's michelin supersports, ZHP knob, JL 8W3
Cold: 2002 TiAg M3 6mt ZCP 19's michelin supersports, deoranged, dechromed, led tails, ZHP knob, UUC SS v3, GROM, OEM 18's w310's,
fun: 2006 YZF-R6, black