so i just installed 3.73, new headers, shift kit, runners, custom air box with monster lungs, and venom injectors, car came with cam, pully set, an msd ignition kit , but after all this it hit a 13.3, an a 12.4 with a wet 125 shoot of nos, but i think one of my heads mest up well i know it did, so they have been telling me about some vortec heads of some mid 90 chevy trucks, that would work is this tru? an were can i get some.?

You should have done a search before you bought these.

If you would tell us what engine you have, that would help.

I hope so But unless you tell us what the cam specs are, what are we suppose to gather from this?

Try Jegs, Summit, Scoggin-Dickey, etc.

Do a quick search. Votec heads have been discussed many times over the years.