Application:Buick 1.Low Nox emissions 2.higher permitted compression ration 3.increasde fuel economy Application:Chevrolet1.Frequency : 80-150Hz2.Inductivity : 80mH3.Megger Test : >5M Ω4.Dpreating Temprerature : Gas temprerature: <=400 °C ; Ambient Temprerature :-30 °C to 135 °C5.Leakage : <=0.5kg/h EGR Vavle 12613270 12613333 12565309 12581876