318, 340 C. I. D. Small Block, Engine Mount Brackets.

The long straight one is the right side-B,C, and E body 383-440, 66-72. The 383-440 mounts have longer legs.
Now I'm really confused.
I don't want to advertise, sell, something, that is wrong in a description, so i am going to end this ad, until i absolutely find out more.