Here are some pics from my 50
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You will need to get the fasteners and make a threaded plate for the inside of the cab.

If you do get replacement shackles make sure they are the right ones. I believe the larger trucks shackles look the same but the mounting bolt locations are different and they are wider.

You will need to get the clearance called out for in the manual correct, otherwise you may have problems lining up the front sheet metal.
The Manual call out for shims, if needed.

Good Luck