I think they are a Chassis Engineering brand or something similar. and they assemble like this pic I pulled online:No, they appear to be farther back then the original front mounts, but not as far back as side mounts usually are. I am curious, as there must be another part to these mounts that goes into the new frame mounts, and adapts to the typical side motor mount? Some sort of round biscuit style mount maybe? I'm sure they're fine, just curious to me since I haven't seen this type before.
that top plate bolts to the block (3 bolts) and uses a vertical rubber mount like shown. the lower part on my car is bolted to the crossmember (welded bracket in this pic) it makes for a nice easy drop in assembly. I've upgraded the fasteners to NAS bolts with proper grip length in the crossmember, and for now have grade 8 for the other areas. I may upgrade more once everything is sorted out and I'm sure of the final engine location.
here's another pic I've since found on a Tri-5