What heads are good for 5.3L build. Ive looked and cant find info

[jbauto]

I have a 2000 silverado with the 5.3 im going to rebuild. What are some good cheap heads that can be lightly worked and make good power with ?

Ive searched and can not find anything. I hear LS6 heads and all but what else?

[oleshifty]

if motor is staying n/a, get some 862's. if you're going with a turbo/blower/nawwwws, get some 243s.
862s are highest compression heads, i have a set i'm getting a 5 angle valve job on, milled for higher compression, and ported/polished...hope to have the gains up within a couple months. still at machine shop

[jbauto]

what are the 862's off of ?

[oleshifty]

4.8's, 5.3's were a couple castings used. several will work, 862's seem easiest to find

[jbauto]

Weird i just went out to to my 99 silverado and it has a 5.3 with 862 heads. Are these the same 862 heads?

[o2camaross]

yes they are