NA cam and pre chambers

[Jason]

I'm looking for a good NA cam for my engine build, and I need 3 pre chambers. They need to be from a head that hasn't been milled, as mine is original and I doubt I'll end up taking off more than .005" or so just for a clean cut on it. I had a complete head offered to me through the d24 email list, but funds are kinda tight after just getting married so I'm trying to keep the build cost low here. Sure I would like a whole head for the spare parts, but it would be more cost effective to just get what I need.

Thanks,
Jason