Passenger side motor mount long bolt

[Mopar5]

Does anyone know what the long bolt in the center of the passenger side motor mount is used for? The car is 1970 Challenger 383 . I tried to upload a photo but I don't see it

[Mopar5]

Ok Hopefully the picture is good

[Mopar5]

Ok sorry just figured out how to add these photos

[EV2RTSE]

That's the driver's side.

https://www.rosevillemoparts.com/product/383-400-440-engine-bracket-and-mount-set-66-72-b-66-72-c-70-74-e/

[Mopar5]

That's the driver's side.

https://www.rosevillemoparts.com/product/383-400-440-engine-bracket-and-mount-set-66-72-b-66-72-c-70-74-e/

Thank you I appreciate it!