[Prowbar]

Mine did not come with anything other than the 2 seal halves. No instructions in or on the box either. Looking at the Fel Pro pictures of the same seal, it seems like it came with the gasket/rope type side seals and the 2 rubber plugs.

The seal installation like he did in the video is sloppy, you're supposed to trim the seal with a clean cut. The pipe cleaners are soaked in water and RTV is squeezed in to form the seal. The water helps it to cure.
Equally important to put a little bit of RTV/sealer between the main bearing cap halves to prevent any leakage.
The 2 plugs are installed to cap off 2 holes in the bearing cap or block, can't remember what the purpose of the holes is.