Fuel Injector Clinic 1200cc-D High Impedance Injector Set (IS403-1200H-D) - 2005 - 2026 Ford Mustang GT, 2015 - 2020 Shelby GT350, 2012 - 2013 Boss 302 & 1999 - 2004 Mustang Cobra
The Fuel Injector Clinic IS403-1200H-D 1200cc-D High Impedance Injector Set is built for serious Ford performance enthusiasts who demand massive fuel capacity without giving up excellent street manners. Flowing 1200cc-D/min, approximately 110 lb/hr at 43.5 PSI (3 Bar), this complete set of eight Saturated High Impedance Ball & Seat injectors is an outstanding choice for high-horsepower naturally aspirated, supercharged, turbocharged, and E85-powered combinations. Designed with Fuel Injector Clinic's latest injector technology, these injectors provide outstanding linearity and exceptional short pulse width repeatability for predictable tuning and smooth operation.
The IS403-1200H-D is engineered specifically for the listed Ford applications and includes all required O-rings for straightforward installation. Plug and Play Ford ECU calibration data is available directly from Fuel Injector Clinic, helping simplify tuning while maximizing drivability, throttle response, and fueling consistency from idle through wide-open throttle.
Every injector set is individually matched using Fuel Injector Clinic's proprietary Data Match Technology. Each injector receives its own serial number and is supplied with a comprehensive Data Match Sheet containing detailed flow and latency values for the matched set. Fuel Injector Clinic flow tests every injector using CF-16B calibration fluid at 43.5 PSI (3 Bar) and 90 degrees Fahrenheit. Backed by Fuel Injector Clinic's lifetime warranty against manufacturing defects, the IS403-1200H-D delivers the precision, reliability, and repeatability demanded by today's high-performance Ford builds.
Features
- Complete set of eight 1200cc-D/min fuel injectors
- Flows approximately 110 lb/hr at 43.5 PSI (3 Bar)
- Saturated High Impedance Ball & Seat injector design
- Latest Fuel Injector Clinic injector technology
- Excellent injector linearity
- Superior short pulse width repeatability
- Outstanding idle quality and street drivability
- Ideal for naturally aspirated, turbocharged, supercharged, and E85 applications
- Fuel Injector Clinic proprietary Data Match Technology
- Each injector individually serial numbered
- Includes detailed Data Match Sheet with flow and latency information
- Flow tested using CF-16B calibration fluid
- Rated at 43.5 PSI (3 Bar) and 90 degrees Fahrenheit
- Plug and Play Ford ECU calibration data available
- Includes all required factory application O-rings
- Lifetime warranty against manufacturing defects
Quick Specs
- Manufacturer: Fuel Injector Clinic
- Manufacturer Part Number: IS403-1200H-D
- Injector Quantity: 8
- Flow Rate: 1200cc-D/min
- Approximate Flow Rate: 110 lb/hr
- Rated Fuel Pressure: 43.5 PSI (3 Bar)
- Injector Type: Saturated High Impedance Ball & Seat
- Flow Matching: Fuel Injector Clinic Data Match Technology
- Calibration Fluid: CF-16B
- Calibration Temperature: 90 degrees Fahrenheit
- Included: Eight injectors, factory application O-rings, and Data Match Sheet
- Warranty: Lifetime Manufacturer Warranty
Fitment
Ford Mustang GT
- 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
- 2013 Ford Mustang GT
- 2014 Ford Mustang GT
- 2015 Ford Mustang GT
- 2016 Ford Mustang GT
- 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
Ford Mustang Shelby GT350
- 2015 Ford Mustang Shelby GT350
- 2016 Ford Mustang Shelby GT350
- 2017 Ford Mustang Shelby GT350
- 2018 Ford Mustang Shelby GT350
- 2019 Ford Mustang Shelby GT350
- 2020 Ford Mustang Shelby GT350
Ford Mustang Boss 302
- 2012 Ford Mustang Boss 302
- 2013 Ford Mustang Boss 302
Ford Mustang Cobra
- 1999 Ford Mustang Cobra
- 2000 Ford Mustang Cobra
- 2001 Ford Mustang Cobra
- 2002 Ford Mustang Cobra
- 2003 Ford Mustang Cobra
- 2004 Ford Mustang Cobra
FAQs
Are the IS403-1200H-D injectors suitable for boosted and E85 combinations?
Yes. Their 1200cc-D flow capacity makes them an excellent choice for high-horsepower supercharged, turbocharged, and E85-powered Mustang combinations requiring significantly more fuel than stock injectors can provide.
What does Fuel Injector Clinic Data Match Technology provide?
Every injector is individually tested, serial numbered, and matched as a complete set. The included Data Match Sheet provides detailed flow and latency information, allowing tuners to achieve more accurate calibration and consistent fuel delivery.
Why Buy from Beefcake Racing?
Beefcake Racing is your trusted source for genuine Fuel Injector Clinic injectors and premium fuel system upgrades. Whether you're building a street-driven Mustang GT, a high-boost Shelby GT350, a Boss 302, or a Terminator Cobra, our experienced team can help you select the proper injectors and supporting fuel system components for your horsepower goals.
Phone: 1-855-827-7223
Email: sales@beefcakeracing.com
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