Fuel Injector Clinic 1200cc Custom High-Impedance Injector Set for Six-Cylinder Engines

Fuel Injector Clinic 1200cc Custom High-Impedance Injector Set for Six-Cylinder Engines

Part Number: ISC-1200H-6

The Fuel Injector Clinic ISC-1200H-6 is a matched set of six 1200 cc/min high-impedance fuel injectors for custom six-cylinder applications. Multiple injector heights and upper and lower O-ring diameters are available, allowing the set to be configured around the intake manifold, fuel rail, and injector-bung dimensions of the installation.

Each injector is rated at 1200 cc/min at 43.5 psi differential fuel pressure. The additional capacity over FIC’s 1000 cc injector makes this set particularly appropriate for higher-output turbocharged, supercharged, and E85-fueled six-cylinder combinations while retaining the short-pulse control and injector characterization needed for controlled startup, idle, and part-throttle operation.

Fuel Injector Clinic individually serial-numbers and tests each injector using its proprietary Data Match Technology process. The supplied Data Match sheet includes dynamic slope flow information, individual injector offset deviations, and voltage-offset data for accurate ECU configuration.

Key Features

• Set of six matched port-fuel injectors
• Intended for custom six-cylinder engine applications
• 1200 cc/min nominal flow rate at 43.5 psi or 3 bar
• Approximately 110 lb/hr at 43.5 psi
• Saturated, high-impedance electrical design
• Three available injector-height configurations
• Two available upper O-ring diameters
• Five available lower O-ring diameters
• Thirty available dimensional configurations
• Solder-in injector-connector pigtails included
• Suitable for gasoline and E85 applications
• Individually serial-numbered injectors
• Matched using Fuel Injector Clinic Data Match Technology
• Selected upper and lower O-rings included
• Covered by Fuel Injector Clinic’s lifetime limited warranty for the original purchaser

Kit Includes

• Six Fuel Injector Clinic 1200 cc/min high-impedance injectors
• Selected upper and lower O-rings
• Solder-in injector-connector pigtails
• Fuel Injector Clinic Data Match sheet with injector characterization information

Technical Specifications

Flow Rating

• 1200 cc/min at 43.5 psi differential fuel pressure
• Approximately 110 lb/hr at 43.5 psi differential fuel pressure
• Rated at 3 bar differential fuel pressure
• Flow tested using CF-16B calibration fluid at approximately 90°F

Available Injector Heights

• 64 mm configuration, identified by FIC as 64 mm (60 mm)
• 53 mm configuration, identified by FIC as 53 mm (48 mm)
• 38 mm configuration, identified by FIC as 38 mm (34 mm)
• Height is measured according to Fuel Injector Clinic’s published O-ring-to-O-ring dimensional convention

Available Upper O-Ring Diameters

• 11 mm
• 14 mm

Available Lower O-Ring Diameters

• 11 mm
• 14 mm
• 15 mm
• 16 mm
• 21 mm

Electrical Configuration

• Saturated, high-impedance injector design
• Compatible with conventional saturated injector drivers
• No external injector resistor pack required
• Solder-in connector pigtails included with the custom injector set

Injector Characterization

• Each injector is individually serial-numbered
• Dynamic slope flow rate supplied for each injector
• Individual injector offset-deviation values supplied
• Injector voltage-offset table supplied
• Universal injector tuning data available from Fuel Injector Clinic
• Injector data must be configured for the ECU, differential fuel pressure, and fuel being used

Application Notes

• This is a configurable custom injector set and is not assigned to one specific engine, intake manifold, or fuel rail.
• Select the injector height, upper O-ring diameter, and lower O-ring diameter before ordering.
• Injector dimensions should be measured from the actual intake manifold, injector bungs, and fuel rail rather than selected only by engine family.
• Fuel Injector Clinic displays the height selections as 64 mm (60 mm), 53 mm (48 mm), and 38 mm (34 mm); preserve the manufacturer’s dimensional designation when ordering.
• This listing is for one matched set of six injectors.
• Solder-in injector-connector pigtails are included.
• Plug-and-play vehicle-harness adapters are not identified as an option for this universal custom set.
• The selected upper and lower O-rings are included with the injectors.
• The published 1200 cc/min rating is measured at 43.5 psi differential fuel pressure.
• Injector flow changes with differential fuel pressure; ECU configuration must reflect the actual base pressure and manifold-pressure reference strategy.
• Injector characterization data must be entered into the ECU rather than relying only on the nominal flow rating.
• Fuel-system capacity, pump selection, regulator capacity, line sizing, filtration, and electrical supply must be adequate for the intended fuel and power level.
• 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.

Emissions and Competition-Use Notice

Unless 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.