{"product_id":"fuel-injector-clinic-1200cc-d-high-impedance-injector-set-for-ls3-ls7-lsa-l76-l92-and-l99","title":"Fuel Injector Clinic 1650cc High-Impedance Injector Set for LS3, LS7, LSA, L76, L92 and L99","description":"\u003cp\u003e\u003cstrong\u003eFuel Injector Clinic 1650cc High-Impedance Injector Set for LS3, LS7, LSA, L76, L92 and L99\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number: IS303-1650H\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Fuel Injector Clinic IS303-1650H is a matched set of eight high-impedance fuel injectors for LS3, LS7, LSA, L76, L92, and L99 applications.\u003c\/p\u003e\n\u003cp\u003eEach injector flows approximately 1650 cc\/min at 43.5 psi and 1900 cc\/min at the GM original-equipment fuel pressure of 58 psi. This provides substantial fuel capacity for high-output forced-induction, E85, and race-fuel combinations while retaining the injector characterization needed for controlled idle, startup, and part-throttle operation.\u003c\/p\u003e\n\u003cp\u003eThe 1650H uses stainless-alloy internal valve components and is compatible with pump gasoline, E85, Q16, VP Import, FTW, and other MTBE-oxygenated race fuels. Fuel Injector Clinic individually serial-numbers and tests each injector using its Data Match Technology process.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e• Set of eight matched port-fuel injectors\u003cbr\u003e• Designed for LS3, LS7, LSA, L76, L92, and L99 applications\u003cbr\u003e• 1650 cc\/min nominal flow rate at 43.5 psi or 3 bar\u003cbr\u003e• Approximately 160 lb\/hr at 43.5 psi\u003cbr\u003e• Approximately 1900 cc\/min at 58 psi or 4 bar\u003cbr\u003e• Approximately 180 lb\/hr at 58 psi\u003cbr\u003e• Saturated, high-impedance electrical design\u003cbr\u003e• Stainless-alloy internal valve construction\u003cbr\u003e• Compatible with gasoline, E85, and supported oxygenated race fuels\u003cbr\u003e• Individually serial-numbered injectors\u003cbr\u003e• Matched using Fuel Injector Clinic Data Match Technology\u003cbr\u003e• Application-specific GM ECU data available from Fuel Injector Clinic\u003cbr\u003e• Application-specific O-rings included\u003cbr\u003e• Covered by Fuel Injector Clinic’s lifetime limited warranty for the original purchaser\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKit Includes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e• Eight Fuel Injector Clinic 1650 cc\/min high-impedance injectors\u003cbr\u003e• Application-specific upper and lower O-rings\u003cbr\u003e• Replacement injector-connector pigtails\u003cbr\u003e• Fuel Injector Clinic Data Match sheet with injector characterization information\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFlow Rating\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e• 1650 cc\/min at 43.5 psi differential fuel pressure\u003cbr\u003e• Approximately 160 lb\/hr at 43.5 psi differential fuel pressure\u003cbr\u003e• Approximately 1900 cc\/min at 58 psi differential fuel pressure\u003cbr\u003e• Approximately 180 lb\/hr at 58 psi differential fuel pressure\u003cbr\u003e• Flow tested using CF-16B calibration fluid at approximately 90°F\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eElectrical Configuration\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e• Saturated, high-impedance injector design\u003cbr\u003e• Compatible with conventional saturated injector drivers\u003cbr\u003e• No external injector resistor pack required in supported applications\u003cbr\u003e• Injector-harness connector conversion required for the listed factory applications\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFuel Compatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e• Pump gasoline\u003cbr\u003e• E85\u003cbr\u003e• Q16\u003cbr\u003e• VP Import\u003cbr\u003e• FTW\u003cbr\u003e• Other compatible MTBE-oxygenated race fuels\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInjector Characterization\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e• Dynamic slope flow rate for each individually serial-numbered injector\u003cbr\u003e• Individual injector offset-deviation values\u003cbr\u003e• Injector voltage-offset table\u003cbr\u003e• Application-specific GM ECU data available from Fuel Injector Clinic\u003cbr\u003e• Injector data must be entered correctly for the ECU, fuel pressure, and fuel being used\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplication Notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e• This injector set is designed for LS3, LS7, LSA, L76, L92, and L99 intake and fuel-rail configurations.\u003cbr\u003e• This listing is for one matched set of eight injectors.\u003cbr\u003e• The current Fuel Injector Clinic product information states that the factory injector connectors must be replaced for this injector set.\u003cbr\u003e• Replacement pigtails are included and may be installed by properly splicing them into the existing injector harness.\u003cbr\u003e• Optional plug-and-play connector adapters may be used instead of modifying the original harness and are sold separately.\u003cbr\u003e• Aftermarket fuel rails, intake manifolds, injector bungs, or unusual combinations may change the required injector length, O-ring size, or electrical connection.\u003cbr\u003e• Confirm fitment before ordering when using non-factory rails or intake hardware.\u003cbr\u003e• The published 1650 cc\/min rating is measured at 43.5 psi differential fuel pressure.\u003cbr\u003e• At the GM factory pressure of 58 psi, the injectors flow approximately 1900 cc\/min.\u003cbr\u003e• Injector flow changes with differential fuel pressure; ECU configuration must reflect the actual base pressure and manifold-pressure reference strategy.\u003cbr\u003e• Injector characterization data must be entered into the ECU rather than relying only on the nominal flow rating.\u003cbr\u003e• Fuel-system capacity, pump selection, regulator capacity, line sizing, filtration, and electrical supply must be adequate for the intended fuel and power level.\u003cbr\u003e• Power capability is not specified because required injector capacity depends on fuel type, base pressure, brake-specific fuel consumption, duty-cycle target, and engine configuration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEmissions and Competition-Use Notice\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eUnless specifically identified as emissions-legal for the applicable vehicle and application, this product is intended for sanctioned competition, off-road, or other non-emissions-controlled use. Installation or use on an emissions-controlled vehicle operated on public roads may violate federal, state, or local law. The purchaser and installer are responsible for confirming and maintaining compliance with all applicable emissions and vehicle-use regulations.\u003c\/em\u003e\u003c\/p\u003e","brand":"Fuel Injector Clinic","offers":[{"title":"Default Title","offer_id":46273705082937,"sku":null,"price":1623.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/8512\/9017\/files\/IS303-1650H.webp?v=1785766970","url":"https:\/\/rad-power.com\/products\/fuel-injector-clinic-1200cc-d-high-impedance-injector-set-for-ls3-ls7-lsa-l76-l92-and-l99","provider":"RAD","version":"1.0","type":"link"}