Missing parts for rear drum brakes

I went into UAP the other day with an exploded diagram and asked to buy everything in the picture. I thought they had ordered everything.

The package is missing (as far as I know at the moment) a couple of pieces and I wonder if I can buy them new or do I need to scrounge locally.

The first was the two arms that fit into the cylinder. I actually found 2 sets from a Pontiac guy I know.

I am missing 1) the strut that goes between the two shoes and 2) and I think it is called the parking brake lever.

In the picture below they are circled in blue.

Can I buy these new ? Or do I need to go scrounging again..

Thanks
Ian.