silverado 4.8L what do i need for a cam swap?

[CHEVROLADE]

Upgrade Your Valve Springs,i Used Stock Pushrods,get The Ls7 Cam Sprocket And 3 Bolts.thats All You Will Need Besides Tuning.if you get a one bolt cam,you wont need the sprocket,u re use the original.

[ZipTy59]

ok so all i need in a nut shell is my cam of choice with a single bolt to utilize the stock cam sprocket, valve springs, and Gaskets and thats all? is there any hidden problem i might run into. im kinda a newbie to a V8. i have a built and blown VR6 VW Gti thats been my project for the past year. very very sad when a 2.8l puts down 120WHP more than a 4.8l.