Fuel Injector Clinic 1400cc Injector Set (is403-1400H) - 2005-2026 Mustang GT / GT350 / Boss 302 / 1999-2004 Cobra
Upgrade your Ford Mustang fuel system with the Fuel Injector Clinic 1400cc high-impedance injector set, engineered for serious performance while maintaining the precise control needed for excellent drivability. This matched set of eight injectors flows 1400cc/min, or 135 lbs/hr, at 43.5 PSI fuel pressure, providing substantial fuel capacity for modified and high-horsepower combinations. Excellent linearity and short pulse width repeatability help deliver predictable fueling from idle through wide-open throttle, while drop-in sizing and electrical connections make installation straightforward for the listed applications.
Every is403-1400H injector set is precisely matched using Fuel Injector Clinic's proprietary Data Match Technology. Each injector is individually serial numbered, with detailed flow matching and latency results provided on the included Data Match Sheet for accurate calibration. FIC flow tests and rates its injectors at 43.5 PSI / 3 Bar and 90 degrees F fuel temperature using CF-16B calibration fluid. Plug-and-play Ford ECU data is also available from Fuel Injector Clinic, and the set includes the O-rings required for the listed factory applications.
Specifications
- Part Number: is403-1400H
- Injector Quantity: 8
- Flow Rate: 1400cc/min
- Flow Rate at 43.5 PSI: 135 lbs/hr
- Fuel Pressure Rating: 43.5 PSI / 3 Bar
- Impedance: High impedance / saturated
- Injector Design: Ball and seat
- Fitment: Drop-in for injector size and electrical plug
- Injector Matching: Fuel Injector Clinic Data Match Technology
- Calibration Fluid: CF-16B
- Test Fuel Temperature: 90 degrees F
- ECU Data: Plug-and-play Ford ECU data available from Fuel Injector Clinic
- O-Rings: Includes O-rings required for the listed factory applications
- Warranty: Lifetime warranty against failure caused by defects in original manufacture
Features
- Eight 1400cc/min high-impedance performance fuel injectors
- 135 lbs/hr flow rating at 43.5 PSI fuel pressure
- High-flow solution for modified and high-horsepower Ford Mustang applications
- Drop-in injector sizing for the listed factory applications
- Drop-in electrical connection with no plug conversion required
- Excellent linearity throughout the injector operating range
- Superior short pulse width control and repeatability
- Precisely matched using Fuel Injector Clinic Data Match Technology
- Each injector is individually serial numbered
- Detailed Data Match Sheet provides flow matching and latency information
- Flow tested and rated at 43.5 PSI / 3 Bar
- Tested at 90 degrees F fuel temperature using CF-16B calibration fluid
- Plug-and-play Ford ECU calibration data available from Fuel Injector Clinic
- Includes the O-rings required for the listed factory applications
- Backed by Fuel Injector Clinic's lifetime warranty against manufacturing defects
1400cc Fuel Capacity for Serious Mustang Builds
The FIC 1400cc injector provides the fuel capacity required when factory or smaller aftermarket injectors can no longer keep pace with your Mustang's performance combination. With 1400cc/min of flow, the is403-1400H gives high-output builds substantial fueling capability while retaining the precise injector behavior needed for accurate calibration. Whether the car spends its time on the street, strip, or both, these injectors are built to deliver the fuel volume serious horsepower demands.
Data Match Technology for Precise Tuning
High injector flow means little without consistency across all eight cylinders. Fuel Injector Clinic precisely matches each is403-1400H set using proprietary Data Match Technology. Every injector is individually serial numbered, and detailed matching and latency results are supplied on the Data Match Sheet. This gives your tuner accurate injector data for consistent cylinder-to-cylinder fuel delivery and more precise calibration throughout the operating range.
High Flow Without Sacrificing Drivability
Fuel Injector Clinic combines substantial flow capacity with excellent linearity and superior short pulse width control. These characteristics allow the ECU to manage fuel delivery accurately during idle and part-throttle operation while still providing the volume required as engine load and horsepower increase. The result is a large performance injector designed to support serious power without making street drivability an afterthought.
Drop-In Ford Mustang Installation
The is403-1400H is designed as a drop-in injector solution for the listed Ford Mustang applications, with compatible injector sizing and electrical connections eliminating the need for an injector plug conversion. Fuel Injector Clinic also supplies the O-rings required for the listed factory applications. Vehicles using aftermarket fuel rails or other non-standard fuel-system components should be checked for compatibility before ordering.
Fitment
- 1999 Ford Mustang Cobra
- 2000 Ford Mustang Cobra
- 2001 Ford Mustang Cobra
- 2002 Ford Mustang Cobra
- 2003 Ford Mustang Cobra
- 2004 Ford Mustang Cobra
- 2005 Ford Mustang GT
- 2006 Ford Mustang GT
- 2007 Ford Mustang GT
- 2008 Ford Mustang GT
- 2009 Ford Mustang GT
- 2010 Ford Mustang GT
- 2011 Ford Mustang GT
- 2012 Ford Mustang GT
- 2012 Ford Mustang Boss 302
- 2013 Ford Mustang GT
- 2013 Ford Mustang Boss 302
- 2014 Ford Mustang GT
- 2015 Ford Mustang GT
- 2015 Ford Mustang GT350
- 2016 Ford Mustang GT
- 2016 Ford Mustang GT350
- 2017 Ford Mustang GT
- 2018 Ford Mustang GT
- 2019 Ford Mustang GT
- 2020 Ford Mustang GT
- 2021 Ford Mustang GT
- 2022 Ford Mustang GT
- 2023 Ford Mustang GT
- 2024 Ford Mustang GT
- 2025 Ford Mustang GT
- 2026 Ford Mustang GT
Fitment Note: Fuel Injector Clinic supplies these injectors with the O-rings required for the listed factory applications. If your Mustang uses an aftermarket fuel rail or another non-standard fuel-system configuration, contact Beefcake Racing before ordering to confirm proper fitment.
FAQs
Are Fuel Injector Clinic is403-1400H injectors a drop-in upgrade?
Yes. The is403-1400H is designed as a drop-in injector solution for the listed applications, with compatible injector sizing and electrical connections. Fuel Injector Clinic also supplies the O-rings required for the factory applications.
How are the FIC is403-1400H 1400cc injectors matched?
Fuel Injector Clinic uses its proprietary Data Match Technology to precisely match the injectors within each set. Every injector is individually serial numbered, with detailed flow matching and latency results supplied on the included Data Match Sheet for accurate tuning.
Why Buy from Beefcake Racing?
Beefcake Racing specializes in Ford Mustang performance and high-horsepower fuel-system combinations. Whether you are upgrading a street-driven Mustang or building a serious forced-induction combination, our experienced team can help you select the injectors and supporting fuel-system components that match your setup and performance goals.
Questions about Fuel Injector Clinic part number is403-1400H or your Mustang fuel system? Email Beefcake Racing at sales@beefcakeracing.com or call 1-855-827-7223.
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