Can I get away with these springs?

Lelo Dart said

5.9 Magnum - 901-16 springs are not correct. Stock springs will not work with that cam or any other cam bigger than stock. Hope this helps.

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I know the stock springs won't springs won't work, looks like I'll be going with the Hughes springs. Any reason the comp springs won't work? If the diameters aren't an issue than would it be the pressure?