IMO they are a great replacement head, and mkae good power too. On the same note, I dont think they are a race head, and not a option in a race type appication.... Of coarse these are just my opinions.
[color:"red"]65 Hemi Belvedere coming soon [/color] [color:"#00FF00"]557" Indy engine 1.07 60ft 144mph in the 8th 2100 lbs package [/color]
