Valve Cover gasket
Here is a link to a hemi six engine page. One could say it wasn't a real hemi because the cambers aren't a perfect hemi shape just like the new 5.7 and 6.1 hemis not being a perfect hemi shape. Regardless these sixes put out some great power.
http://home.iprimus.com.au/lsd265/hemi_6.htm
Chuck