Headers won’t fit in 67 440 dart

haywire05 said
No I looked at that as well numerous times but iam burning the candle at both ends these are the directions I got with the mounts. I think I have them right. But I did notice that the motor is sitting kinda crooked on the k member. Not sure if that’s normal or not. Or maybe these are the wrong mounts ??

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I could be wrong, but by looking at the picture of your instructions they seem to be the big block spool replacement mounts for a stock big block spool type K-member. These weren't made to work on a small block spool type K-member unless the DC modification was done.