Item specifics:Warranty: 1 YearPlacement on Vehicle: FrontPart Number: For 16600-RR543Interchange Part Number: For16600RR543FJ942SF-61-550CC555ccOther Part Number: ForS13 S14 S15 SR20DET, R33 RB25DE/T KA24DEDescription:High QualityColor: as picturesType: Side-feedHigh Impedance/SaturatedE85 CompatibleDirect fit for Nissan applications with side feed fuel injectors – no need to change wiring harness connectorsFully compatible/drop-in fuel injectors for many Nissan applications that utilize side feed fuel injectorsSet of 4 550cc / 555cc Fuel Injectors (commonly referred to as 615cc)Fitment For:For Nissan Models:S13, S14, S15 SR20DE/TNissanSkyline-R33 GTS-t S2-ECR33NissanSkyline-R33 GTS-t S1-ECR33NissanSilvia-S14 S1NissanSilvia-S14 S2NissanSilvia-S15NissanFairlady-Z32Package Including??4* Fuel injectors