1200cc FIC Fuel Injector Clinic Injector LS3 LSA LS7 L76 L92 L99 IS303

Fuel Injector Clinic IS303-1200H 1200cc Injectors LS3 LS7 L99 L76 High Impedance Set of 8

Brand: Fuel Injector Clinic (FIC)
Manufacturer Part Number: IS303-1200H
Flow Rate: 1200cc/min @ 43.5 PSI (3 Bar)
Impedance: High Impedance (High-Z / Saturated)
Connector Style: EV6 / USCAR
Injector Type: Ball & Seat
Quantity: Set of 8 Injectors
Condition: Brand New

Product Description

For sale is a brand new Fuel Injector Clinic (FIC) IS303-1200H injector set, engineered for GM LS3-height fuel rail applications. These 1200cc high-impedance fuel injectors are ideal for turbocharged, supercharged, E85, and high-horsepower street or track builds, delivering excellent drivability, strong fuel capacity, and precise tuning control.

Each injector is precision matched using Fuel Injector Clinic’s Data Match Technology, individually flow-tested and serialized, and includes a Data Match Sheet with detailed flow and latency data to make ECU tuning faster and more accurate.

Flow-tested at 43.5 PSI (3 Bar) at 90°F using CF-16B calibration fluid, these injectors offer excellent short-pulse width performance, smooth idle, and reliable fueling under high boost. Built with stainless internal components for long-term durability and compatibility with pump gas, E85, and race fuels.

Key Features

✔ 1200cc/min High-Output Flow Rate
✔ High Impedance (Plug-and-Tune Friendly)
✔ Precision Flow-Matched Set (±1%)
✔ Excellent Idle & Low-Pulse Performance
✔ Gasoline, E85 & Race Fuel Compatible
✔ Includes All Required O-Rings
✔ Individually Flow-Tested & Serialized
✔ Lifetime Manufacturer Warranty
✔ Brand New — Not Remanufactured