>  Can someone help identify
>where the following parts go?
>
>Two copper flat washers, about 7/16 in total diameter.  I thought
>it was meant to be a crush washer for the head drain bolt under
>the head, but why two?

Maybe you got a bonus one for the other head?

>
>One small green O-ring, about 7/16 inch in total diameter.
>Doesn't appear to be for the fuel injectors, and there's not
>enough for both injectors.

Might be for the dipstick holder. Not sure why it would come with a
head gasket kit.

>
>One large metal gasket, with two 1 1/2 inch circular holes in it.
>  Built like an exhaust manifold gasket, but wrong shape and wrong
>number of ports.

Probably for the junction between the front and rear exhaust pipes
and the pipe that goes to the Cat on the drivers side of the van.