Tuning & AftermarketGemballa2001 Gemballa 911 GT2001 Gemballa 911 GT In Detail = engine Flat-6 valvetrain DOHC 4 Valves / Cyl displacement 3387 cc / 206.7 in³ bore 96 mm / 3.78 in stroke 78 mm / 3.07 in compression 11.3:1 power 223.7 kw / 300 bhp @ 6800 rpm specific output 88.57 bhp per litre... Read More