Hey Gear head, I find that that head on the SRT-4 and the GT have the same part number. Also the hot rod aricle on the GT Turbo engine says this "The cylinder head is the same for turbo and NA engines, though the boosted application uses Silchrome-1 intake valves and Inconel exhaust valves". My understanding is that the only difference is the intake set up and the PCM. I don't see how the SRT-4 spark plugs won't fit. No flames intended, just asking....
Mike
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