Engie Mounts for a 72 chevy C-20

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This is my first rebuild and i have taken some time doing it and spent $$$ on it as well..But i'am at a lost about my engine mounts.. The engine is a 402 from a SS..which i bought the mounts from a local auto parts shop but it looks like iam missing something between the engine mount and that metal bracket on the truck. so am i going crazy or is there something missing..when i took the engine out the mounts fell apart but it was only the mount that bolts to the engine...any help would be great as iam sitting here going gray headed over it.....