Fuel Injector Clinic 1440cc High Impedance Fuel Injector Set (2007-2013 GM 4.8L / 5.3L / 6.0L Truck Engines) - IS305-1440H
Bridge the gap between mid-sized and ultra-high-flow injectors with the Fuel Injector Clinic IS305-1440H High Impedance Fuel Injector Set. Engineered specifically for 2007-2013 GM 4.8L, 5.3L, and 6.0L truck engines, this complete set of eight injectors delivers 1440cc/min (140 lb/hr) at 43.5 PSI (3 Bar) and an impressive 1700cc/min (160 lb/hr) at the factory 58 PSI (4 Bar) fuel pressure. Built using Fuel Injector Clinic's latest injector technology, these injectors provide exceptional linearity, precise fuel delivery, and excellent short pulse width repeatability for smooth street manners while supporting serious horsepower on both gasoline and E85.
This injector set features easy-to-install, drop-in fitment with the factory style connector. No plug conversion is required. Depending on your application, fuel rail spacers may be required, and the required spacers are included. Fuel Injector Clinic also offers Plug and Play GM ECU calibration data for supported GM engine management systems, making tuning easier while maintaining excellent idle quality and drivability.
The IS305-1440H fills the performance gap between Fuel Injector Clinic's 1200cc and 1650cc injectors. Featuring a durable stainless alloy valve construction, these injectors are fully compatible with pump gasoline, E85, Q16, VP Import, FTW, and other MTBE oxygenated race fuels, making them an excellent choice for versatile street and race combinations requiring substantial fuel delivery without sacrificing drivability.
Every injector set is precisely matched using Fuel Injector Clinic's proprietary Data Match Technology. Each injector is individually serial numbered and includes a comprehensive Data Match Sheet with injector-specific flow and latency values, ensuring exceptional cylinder-to-cylinder consistency and making tuning more accurate and predictable.
Quick Specs
- Part Number: IS305-1440H
- Application: 2007-2013 GM 4.8L, 5.3L, and 6.0L Truck Engines
- Injector Quantity: 8
- Injector Flow Rate: 1440cc/min (140 lb/hr) at 43.5 PSI (3 Bar)
- Injector Flow Rate: 1700cc/min (160 lb/hr) at OE 58 PSI (4 Bar)
- Injector Type: High Impedance (Saturated)
- Drop-in factory style connector
- No plug conversion required
- Fuel rail spacers may be required (included)
- Stainless alloy valve construction
- Compatible with gasoline, E85, Q16, VP Import, FTW, and other MTBE oxygenated race fuels
- Plug and Play GM ECU calibration data available
- Fuel Injector Clinic Data Match Technology
- Each injector individually serial numbered
- Detailed Data Match Sheet included
- Flow tested at 43.5 PSI (3 Bar)
- Tested using CF-16B calibration fluid at 90 degrees Fahrenheit
- Application-specific O-rings included
- Lifetime warranty against manufacturing defects
Features
- Designed specifically for 2007-2013 GM 4.8L, 5.3L, and 6.0L truck engines
- Flows 1440cc/min (140 lb/hr) at 43.5 PSI and 1700cc/min (160 lb/hr) at OE 58 PSI fuel pressure
- Easy drop-in installation with the factory style connector
- No wiring modifications or plug conversion required
- Fuel rail spacers included for applications that require them
- Positioned between Fuel Injector Clinic's 1200cc and 1650cc injector offerings
- Compatible with gasoline, E85, Q16, VP Import, FTW, and other MTBE oxygenated race fuels
- Stainless alloy valve construction provides outstanding fuel compatibility and durability
- Fuel Injector Clinic Data Match Technology ensures precise injector-to-injector consistency
- Each injector is individually serial numbered with an included Data Match Sheet
- Superior short pulse width control for excellent idle quality and drivability
- Plug and Play GM ECU calibration data available
- Application-specific O-rings included for proper installation
- Backed by Fuel Injector Clinic's lifetime warranty against manufacturing defects
Fitment
- 2007 GM 4.8L Truck Engine
- 2008 GM 4.8L Truck Engine
- 2009 GM 4.8L Truck Engine
- 2010 GM 4.8L Truck Engine
- 2011 GM 4.8L Truck Engine
- 2012 GM 4.8L Truck Engine
- 2013 GM 4.8L Truck Engine
- 2007 GM 5.3L Truck Engine
- 2008 GM 5.3L Truck Engine
- 2009 GM 5.3L Truck Engine
- 2010 GM 5.3L Truck Engine
- 2011 GM 5.3L Truck Engine
- 2012 GM 5.3L Truck Engine
- 2013 GM 5.3L Truck Engine
- 2007 GM 6.0L Truck Engine
- 2008 GM 6.0L Truck Engine
- 2009 GM 6.0L Truck Engine
- 2010 GM 6.0L Truck Engine
- 2011 GM 6.0L Truck Engine
- 2012 GM 6.0L Truck Engine
- 2013 GM 6.0L Truck Engine
FAQs
Do these injectors require any wiring modifications?
No. The IS305-1440H uses the factory style connector for true drop-in installation. No plug conversion is required. Depending on the application, the included fuel rail spacers may be needed.
What fuels are these injectors compatible with?
The stainless alloy valve construction makes these injectors compatible with pump gasoline, E85, Q16, VP Import, FTW, and other MTBE oxygenated race fuels while maintaining excellent idle quality and drivability.
Why Buy From Beefcake Racing?
Beefcake Racing proudly supplies genuine Fuel Injector Clinic fuel injectors backed by competitive pricing, fast shipping, and expert technical support. Whether you're building a high-performance street truck or an all-out race combination, our experienced team can help you choose the proper injectors and supporting fuel system components to meet your horsepower goals.
Questions about injector sizing or installation?
Email: sales@beefcakeracing.com
Phone: 1-855-827-7223
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