This will save you a bunch over the Butch's kit and the parts are all over the counter from Pep Boys or Autozone here are the part numbers and pictures read the notes under the pictures. If you need additional info feel free to message me.
https://www.jalopyjournal.com/forum/...-mounts.41498/ And you will NOT need any spacers as other mounts that were suggested. Are you using an early 351 with a front sump oil pan ?