The best heads on the market for street/strip is DART. These heads have been proven time and time again. And about the debate whether or not Aluminum Vs. Iron which makes more power?? Well I've been and built plenty of competition racing engines and believe it or not, Iron makes more power simply because aluminum expands and anytime it expands it loses hp. So if your really into saving weight, then go aluminum, but if you want hp go Iron. Plus with iron you don't have to worry about warping your heads if the motor overheats....I've had that happen plenty of times!!! Hope this helps.
Eric
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68 Camaro
Gene Fulton 632ci Two stages of Jug
8.41 164mph Rockingham 1-26-03
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