Fuel Injector Clinic Six Cylinder 1440cc Custom Injector Set - 53mm Height - 11mm Top O-Ring Diameter - 15mm Bottom O-Ring Diameter (1440-53-11-15-6)
Upgrade your six-cylinder fuel system with the Fuel Injector Clinic 1440cc Custom Injector Set, engineered for serious street and race applications that require outstanding fuel delivery without sacrificing drivability. Positioned between Fuel Injector Clinic's popular 1200cc and 1650cc injectors, these high impedance injectors provide exceptional fuel capacity while maintaining smooth idle characteristics, crisp throttle response, and excellent tuning behavior on both gasoline and E85. Every custom injector set includes solder-in pigtails for custom installations.
Featuring a premium stainless alloy valve, the 1440cc injector is compatible with virtually every commonly used performance fuel, including pump gasoline, E85, Q16, VP Import, FTW, and other MTBE oxygenated race fuels. Each injector is individually serial numbered and dynamically matched using Fuel Injector Clinic's proprietary Data Match Technology. Every set includes a detailed Data Match Sheet with flow and latency values, is flow tested at 43.5 PSI (3 Bar) using CF-16B calibration fluid at 90 degrees F, and is backed by Fuel Injector Clinic's Lifetime Warranty against manufacturing defects.
Specifications
- Manufacturer: Fuel Injector Clinic
- Product Code: 1440-53-11-15-6
- Part Number: ISC-1440H-6
- Injector Flow Rate: 1440cc/min
- Injector Height: 53mm
- Top O-Ring Diameter: 11mm
- Bottom O-Ring Diameter: 15mm
- Engine Configuration: 6 Cylinder
- Injector Type: High Impedance
- Valve Material: Stainless Alloy
- Compatible Fuels: Pump Gasoline, E85, Q16, VP Import, FTW, and other MTBE oxygenated race fuels
- Matching Technology: Fuel Injector Clinic Data Match Technology
- Flow Test Pressure: 43.5 PSI (3 Bar)
- Calibration Fluid: CF-16B at 90 degrees F
- Includes: Six matched injectors, solder-in pigtails, Data Match Sheet, and required O-rings
- Warranty: Lifetime Warranty against manufacturing defects
Features
- Custom 1440cc injector set for six-cylinder engines
- 53mm injector height with 11mm top and 15mm bottom O-ring configuration
- High impedance injector design
- Compatible with pump gasoline, E85, Q16, VP Import, FTW, and other MTBE oxygenated race fuels
- Outstanding idle quality and excellent short pulse width control
- Supports demanding high horsepower gasoline and E85 combinations
- Stainless alloy valve construction for superior durability and fuel compatibility
- Precisely matched using Fuel Injector Clinic's proprietary Data Match Technology
- Each injector individually serial numbered
- Detailed Data Match Sheet included for simplified ECU calibration
- Flow tested at 43.5 PSI (3 Bar) using CF-16B calibration fluid
- Includes solder-in pigtails for custom installations
- Covered by Fuel Injector Clinic's Lifetime Warranty
Fitment
Custom six-cylinder applications requiring:
- 53mm injector height
- 11mm top O-Ring diameter
- 15mm bottom O-Ring diameter
FAQs
Why choose the Fuel Injector Clinic 1440cc injector?
The 1440cc injector offers an ideal balance between Fuel Injector Clinic's 1200cc and 1650cc models, providing exceptional fuel capacity while maintaining excellent idle quality and street drivability.
What fuels are these injectors compatible with?
The stainless alloy valve construction allows compatibility with pump gasoline, E85, Q16, VP Import, FTW, and other MTBE oxygenated race fuels.
What does the included Data Match Sheet provide?
Each injector is individually tested, dynamically matched, and serial numbered. The included Data Match Sheet contains detailed flow and latency information to simplify ECU calibration and improve tuning accuracy.
Why Buy From Beefcake Racing?
At Beefcake Racing, we offer genuine Fuel Injector Clinic products backed by knowledgeable customer service and real-world performance experience. Whether you're building a high horsepower street car or dedicated race vehicle, our team can help you select the ideal injector package for your combination.
If you have questions before placing your order, contact our experienced team for expert assistance.
Email: sales@beefcakeracing.com
Phone: 1-855-827-7223
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

