Nissan Fairlady Z 350Z and Z34 370Z model with VQ35HR and VQ37HR engine code, have 2 quite special gasket at the oil gallery at their engine side, above is the photo of the physical engine on the oil gallery area and the below photo showing the diagram on where the 2 gasket located at.
The photo below showing the 2 pieces gasket, with part number 13533-JK21A and 13533-JK21B respectively, other than the Nissan 350Z and 370Z, those Infiniti model with VQ35HR and VQ37HR engine also have this 2 pieces of gasket at the engine, those model include Q50, Q60, Q70, QX70, G35, G37, M35, EX35, EX37, FX35, FX37, FX50 etc.
