hey I have a 2000 gtp new motor fresh out of the machine shop, comp cam was redone aswel. I am running a 3.1 pulley, and stock injectors. the stock heads for these cars are not very tough (tend to crack) so I checked out the w body store website and found some CNC heads for like $1700 stage 2 are they any good? or is there another place I can be lookin? also the car will be getting dynoed and tuned. so would I need new injectors? if so whats your guys recomendation, and websites I should visit! thanks would be greatly appreciated!

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