- Jun 2, 2005
- 584
- 3
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I just got a set about an hour ago. I have heard that theMN-12 Thunderbirds share the same covers but without the "COBRA" letters. I have a set of both (MN-12 Thunderbird covers, steel crate motor covers, and the Cobras), and they are not the same. The Crate motor and T-Bird covers seem the same, other than color. BUT, the Cobra valve covers seem heavier, and solid as a rock. What is the difference with them?