question about tr cheatr??

I have 02 lumina ss (the same 04 gto) with ls1 and 4l60e..

And I am thinking of installing camshaft from thunder racing (cheatr)

My question to you by your experiences, How are the results of this cam in stock Engine ??
do i need Other mods??pulley?Exhaust??Timing Chains,Pushrods
,Springs??
Waiting for your views..

