I didn't know much about these heads in general when I got a pretty good buy on them. here is their link
http://www.worldcastings.com/prods_pages/053030.htm
And my cam...
TFS-51402000
Good idle, strong midrange power. Aftermarket intake, heads, and headers recommended. Requires modified mass airflow.
Compression: 9:1 minimum
Duration @ .050" - 221°/225°
Cam Lift - .312/.319
Valve Lift with 1.6 Rocker - .499/.510
Lobe Separation - 112°