zz28Junior

Ok guys i have a 2000 A4 z28 camaro and all i have is TSP 1 7/8 headers and TSP Y pipe and a SLP catbac and nitrous and i want to buy a heads and cam kit but dont know which one to get....i want my car to be a 10 second car so which kit can i get that is gonna make me over 460 or 480 RWHP or which kit is real good?? i was looking into this kit heres the link http://store.summitracing.com/partde...iew=sku....and ive also looked at some of the Texas speed kits but dont know which one will give me what i want?..any help would be great thanks