Ive bought a cam Wolverine 1087(hydro roller, lift .510/.534 dur 222/232 LC 112) and im going to be buying along with that Valve springs,pushrods,1.6 roller rockers, retainers and timing chain...i need help with what to get do i need 3/8 or 7/16 roller rockers? what size pushrods..6.250? or another size...also what valve springs do i get that will work with my stock heads....also do i need anything to go with the timing chain or have i left something out ill need? what is the best brand to buy from i was thinking comp cams or crane...any others? p.s- i have stock bottom end and heads.