{"product_id":"fuel-injector-clinic-1650cc-high-z-injector-set-holley-gm-composite-intakes","title":"Fuel Injector Clinic 1650cc High-Z Injector Set — Holley GM Composite Intakes","description":"\u003cp\u003e\u003cstrong\u003eFuel Injector Clinic 1650cc High-Z Injector Set — Holley GM Composite Intakes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Numbers: ISH03-1650H \u0026amp; PGTJETR8Q\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Fuel Injector Clinic ISH03-1650H is an eight-injector high-impedance set for Holley GM composite intake applications. FIC’s standard product configuration is ISH03-1650H \u0026amp; PGTJETR8Q, which includes eight Jetronic quick-release solder-in pigtails. FIC also offers EV1 and EV6 direct-connection configurations, plus a Multec II option using the PADPJtoGM8 plug-and-play adapter set.\u003c\/p\u003e\n\u003cp\u003eEach injector is rated at 1650 cc\/min and 160 lb\/hr at 43.5 psi \/ 3 bar. At 58 psi \/ 4 bar, FIC rates each injector at approximately 1900 cc\/min and 180 lb\/hr.\u003c\/p\u003e\n\u003cp\u003eFIC’s 1650cc high-impedance injector uses stainless-alloy valve construction and is compatible with pump gasoline, E85, Q16, VP Import, FTW, and other MTBE oxygenated race fuels. Its high-impedance architecture avoids the need for a separate peak-and-hold driver while retaining the short-pulse-width control required for stable idle and street drivability when the ECU is configured with the correct injector data.\u003c\/p\u003e\n\u003cp\u003eEach injector is individually serial numbered and matched using Fuel Injector Clinic’s Data Match Technology. The supplied Data Match Sheet includes measured matching results and latency information, and FIC provides injector characterization data for supported ECU platforms.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSet of eight Fuel Injector Clinic high-impedance injectors\u003c\/li\u003e\n\u003cli\u003eDesigned for Holley GM composite intake applications\u003c\/li\u003e\n\u003cli\u003eStandard FIC configuration: ISH03-1650H \u0026amp; PGTJETR8Q\u003c\/li\u003e\n\u003cli\u003e1650 cc\/min \/ 160 lb\/hr per injector at 43.5 psi \/ 3 bar\u003c\/li\u003e\n\u003cli\u003eApproximately 1900 cc\/min \/ 180 lb\/hr per injector at 58 psi \/ 4 bar\u003c\/li\u003e\n\u003cli\u003eSaturated \/ high-impedance electrical design\u003c\/li\u003e\n\u003cli\u003eStandard configuration includes eight Jetronic quick-release solder-in pigtails, PGTJETR8Q\u003c\/li\u003e\n\u003cli\u003eEV1 direct-connection option available\u003c\/li\u003e\n\u003cli\u003eEV6 direct-connection option available\u003c\/li\u003e\n\u003cli\u003eMultec II harness option available using PADPJtoGM8 adapters\u003c\/li\u003e\n\u003cli\u003eStainless-alloy valve construction\u003c\/li\u003e\n\u003cli\u003eCompatible with pump gasoline, E85, Q16, VP Import, FTW, and other MTBE oxygenated race fuels\u003c\/li\u003e\n\u003cli\u003eFuel Injector Clinic Data Match Technology\u003c\/li\u003e\n\u003cli\u003eEach injector individually serial numbered\u003c\/li\u003e\n\u003cli\u003eMatched flow and latency information supplied on the Data Match Sheet\u003c\/li\u003e\n\u003cli\u003eApplication-specific O-rings included\u003c\/li\u003e\n\u003cli\u003eFuel Injector Clinic lifetime warranty against defects in original manufacture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eKit Includes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEight Fuel Injector Clinic 1650cc high-impedance injectors, ISH03-1650H\u003c\/li\u003e\n\u003cli\u003eEight Jetronic quick-release solder-in pigtails, PGTJETR8Q, with the standard configuration\u003c\/li\u003e\n\u003cli\u003eApplication-specific injector O-rings\u003c\/li\u003e\n\u003cli\u003eIndividual injector serial numbers\u003c\/li\u003e\n\u003cli\u003eFuel Injector Clinic Data Match Sheet with matching and latency information\u003c\/li\u003e\n\u003cli\u003eAccess to applicable Fuel Injector Clinic injector characterization data\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNominal injector size: 1650 cc\/min\u003c\/li\u003e\n\u003cli\u003eFlow at 43.5 psi \/ 3 bar: 1650 cc\/min \/ 160 lb\/hr per injector\u003c\/li\u003e\n\u003cli\u003eFlow at 58 psi \/ 4 bar: approximately 1900 cc\/min \/ 180 lb\/hr per injector\u003c\/li\u003e\n\u003cli\u003eFIC rating test temperature: 90°F fuel temperature\u003c\/li\u003e\n\u003cli\u003eFIC calibration fluid: CF-16B\u003c\/li\u003e\n\u003cli\u003eInjector type: saturated \/ high impedance\u003c\/li\u003e\n\u003cli\u003eQuantity: eight injectors\u003c\/li\u003e\n\u003cli\u003eApplication family: Holley GM composite intakes\u003c\/li\u003e\n\u003cli\u003eValve construction: stainless alloy\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAvailable Connector and Wiring Configurations\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolder-In Pigtails — ISH03-1650H \u0026amp; PGTJETR8Q:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFIC’s standard configuration. Includes eight Jetronic quick-release pigtails for replacing the existing injector connectors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEV1 Connector — Direct Connection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edirect-connect option for harnesses already equipped with the matching EV1 connector.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEV6 Connector — Direct Connection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edirect-connect option for harnesses already equipped with the matching EV6 connector.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultec II Connector — ISH03-1650H \u0026amp; PADPJtoGM8:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003euses FIC’s set of eight Jetronic\/EV1-female to GM\/Delphi-male plug-and-play adapters to avoid cutting or soldering the existing harness.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eApplication Notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFIC lists ISH03-1650H for Holley GM composite intake applications. This is an intake-family fitment rather than a vehicle-specific listing, so connector choice must match the engine harness.\u003c\/li\u003e\n\u003cli\u003eThe 1650cc rating is measured at 43.5 psi \/ 3 bar; FIC rates the same injector at approximately 1900 cc\/min and 180 lb\/hr at 58 psi \/ 4 bar.\u003c\/li\u003e\n\u003cli\u003eFuel-system sizing should be based on actual differential fuel pressure, fuel type, target power, and injector duty cycle rather than the nominal 1650cc designation alone.\u003c\/li\u003e\n\u003cli\u003eThe standard ISH03-1650H \u0026amp; PGTJETR8Q configuration requires replacing the existing injector connectors with the included solder-in pigtails.\u003c\/li\u003e\n\u003cli\u003eEV1 and EV6 direct-connect options eliminate pigtails when the existing harness already uses the matching connector.\u003c\/li\u003e\n\u003cli\u003eThe Multec II option uses PADPJtoGM8 adapters rather than modifying the factory-style harness.\u003c\/li\u003e\n\u003cli\u003eUse FIC-supplied injector characterization data rather than generic flow or latency values.\u003c\/li\u003e\n\u003cli\u003eFuel pumps, regulator, rails, filters, plumbing, ECU, and tuning are not included.\u003c\/li\u003e\n\u003cli\u003eThis product is a port-fuel-injector set and is not a direct-injection injector replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eEmissions and Competition-Use Notice\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003ePerformance fuel-system modifications may affect emissions compliance and road-use legality. The purchaser and installer are responsible for ensuring the completed vehicle complies with applicable requirements.\u003c\/em\u003e\u003c\/p\u003e","brand":"Fuel Injector Clinic","offers":[{"title":"Solder in Pigtails (PGTJETR8Q) ($1623.00)","offer_id":46291646513209,"sku":null,"price":1623.0,"currency_code":"USD","in_stock":true},{"title":"EV1 Connector (Direct Connection) ($1623.00)","offer_id":46291646545977,"sku":null,"price":1623.0,"currency_code":"USD","in_stock":true},{"title":"EV6 Connector (Direct Connection) ($1623.00)","offer_id":46291646578745,"sku":null,"price":1623.0,"currency_code":"USD","in_stock":true},{"title":"Multec II Connector (Needs PADPJtoGM8) ($1713.00)","offer_id":46291646611513,"sku":null,"price":1713.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/8512\/9017\/files\/ISH03-1650H.webp?v=1786284374","url":"https:\/\/rad-power.com\/products\/fuel-injector-clinic-1650cc-high-z-injector-set-holley-gm-composite-intakes","provider":"RAD","version":"1.0","type":"link"}