Description:Made of metal and plastic material which is durable and can use for a long time.The high impedance fuel injector has been tested and exactly matches the internal coil resistance and fuel flow rate of OEM fuel injector.Flow Rate at 43.5psi/3 bar, 25.1Lb/hr, 189.2G/min, 263.1cc/min.Specification:O-Rings Included: Yes, preinstalledOrifice Type: 6 Holes DiscVoltage: DC 12VMaterial: Metal, PlasticColor: Black, BeigeOE Number: 0280150701, 13641310641, 195621103000, 198475, FJ184Pin Number: 2Dimension: 7.7x2.8x2.7cm / 3.03''x1.10''x1.06''(L*W*H)Fitment:for Alfa Romeo 164 2.0L 3.0L 1987-1998for Alfa Romeo 166 2.0L 3.0L 1998-2007for Alfa Romeo GTV 3.0L 1996-2000for BMW E36 M3 3.0L 1992-1995for BMW M5 E34 3.6L 1988-1993for Citroen Synergie 2.0L 1994-2002for Citroen Xantia 2.0L 1995-1998for Citroen XM 2.