Just get a set of Schumachers Hemi to stock V8 K frame mounts and it will bolt right in,assuming that the crate Hemi has standard Hemi mounting holes in the block. They did make early crate Hemi engines with the wedge type mounting ears too. I used the Schumacher mounts to bolt my crate Hemi into my 70 Charger R/T with no issues. They are nice sturdy mounts too.