Biggest Cam in a 360?

So like this? Which is better?
http://www.hughesengines.com/Index/...s+Cam+248/252&searchmode=keyword&partid=21802
http://www.compcams.com/technical/DynoSheets/XE268H-10_001.asp

Would I have to change the rest of the valve train as well(rockers, lifter, springs, rods)? If so what would be the best to get? I plan on rebuilding soon.

Damn man. I gave you the NAMES of the cam lines and this is what you come up with? Have at it buddy. loll