Description
LS1 Fuel Injector Clinic 775cc / 74lb High-Impedance Injector Set (Data Match Technology)
Upgrade your LS1 fuel system with the Fuel Injector Clinic (FIC) 775cc high-performance fuel injector set, designed to deliver precise fuel control, excellent drivability, and repeatable tuning results. This injector set is ideal for moderately boosted or high-output naturally aspirated LS1 applications requiring reliable fueling with OEM-like manners.
Injector Specifications
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Flow Rate:
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775cc/min (74 lb/hr) @ 43.5 psi (3 bar)
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900cc/min (85 lb/hr) @ 58 psi (4 bar OE fuel pressure)
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Impedance: Saturated / High Impedance
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Injector Count: 8 injectors (complete set)
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Fuel Type: Gasoline / E85 compatible
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Calibration Data: Plug-and-play GM ECU data available
Data Match Technology – Precision Flow Matching
This injector set is precisely matched using Fuel Injector Clinic’s proprietary Data Match Technology, providing industry-leading accuracy and consistency. Each injector is:
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Individually serial numbered
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Matched for flow rate and injector latency
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Supplied with a detailed Data Match Sheet
This advanced matching process ensures balanced cylinder fueling, smooth idle quality, and predictable tuning across the entire RPM and load range.
Flow Testing & Quality Control
All Fuel Injector Clinic injectors are:
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Flow tested and rated at 43.5 psi (3 bar)
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Tested at 90°F fuel temperature
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Calibrated using CF-16B calibration fluid
This testing methodology delivers accurate, repeatable injector data trusted by professional tuners.
Excellent Tuning & Drivability
Thanks to advanced injector design and superior short pulse-width control, these injectors provide:
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Stable idle and clean part-throttle response
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Consistent fueling under boost
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Easier tuning compared to remanufactured or low-quality injectors
Installation & Fitment
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Includes all required O-rings for factory LS1 fuel rail installation
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Injector plug conversion required
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Included: Pigtails (PGTUSC8) for solder-in installation
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Optional: Plug-and-play adapters (PADPUtoJ8) for a no-cut, no-solder install
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For aftermarket fuel rails or non-standard configurations, contact us prior to ordering to ensure proper fitment.
Brand-New Injectors Only
Fuel Injector Clinic supplies only brand-new, unused injectors—never remanufactured or core-based units. This approach minimizes failure risk and ensures maximum reliability in performance applications.
Warranty & Reliability
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Lifetime warranty against defects in original manufacture
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Proven performance in street, strip, and track environments
Ideal Applications
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LS1 bolt-on and mild boost builds
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Supercharged or turbocharged street cars
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E85 fuel systems
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Tuners requiring accurate injector data and smooth drivability
