Are these stock 68 340 Valve covers?

Hey, I have some known 68 covers out in the garage. I will get some pics for comparison.

So after looking at these im kind doubting they are correct 68 340 covers. They came with a 68 340 I bought many years ago. The wire retainers kinda remind me of the ones on a 273.

Check out these on ebay.
Mopar 340 small block valve covers 1968 / 69 | eBay

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Thanks for showing these! I have heard a couple different stories on these 340 covers.I see your covers have the bracket on the inside of the passenger cover that protects the wire loom from the heat of the intake, Because the 340 intakes were higher then the 273 318. Was told that the 68 69 70 340 covers all had this bracket.So these I have are not 340.Interested in selling them? PM me Thanks.