i d have to double check but I have a friend that is selling a set of aluminum edlebrock rpm performer heads for like 800 or something and all you would need is rockers, I have to double check to see if he still has em, but I am running a 302 stock bottom end with tfs aluminum heads which are 2.02 valves, and a 5.10 lift cam, which i need to change and go bigger, but i have no clearance issues, now if i go to the tfs stage 2 cam or the frpp x cam, i have to notch my pistons, don t know if that helps but i do know if you go with bigger heads you def need a bigger cam, my car is a dog in 3 rd gear with this 5.10 cam in it. Goodluck man.

Ohh yeah I also have another friend that I think has a set of holley aluminum heads he is getting ready to sell. Lmk if you are interested.