i build headers and have made headers for the A body gm and the vett for the tall deck the camaro mite be tuff the drivers side by the streering box.you will need a set of big tube headers like 2 1/8 or2 1/4 if you are looking for max hp .the hammer ?? i do not beat on headers if they do not fit make a set. if you use a stock gm head they may but with a head with a hirer ex port i would have to say no .the tall deck takes some work. you would be better with 9.800 deck block and bore and storke it you can get up to 582 4.600.bore and 4.375 stroke with a dart or word or gm bow tie block or a stock gm 454 to 510 with a 4.375 stroke and bore of 4.310