Fuel Injector Clinic Six Cylinder 660cc SHORT Custom Injector Set - 38mm Height - 14mm Top O-Ring Diameter - 21mm Bottom O-Ring Diameter (0660-38-14-21-6)
Fuel Injector Clinic's 660cc SHORT Custom Injector Set is engineered for custom six cylinder applications requiring a compact 38mm injector with a 14mm upper O-ring and 21mm lower O-ring configuration. Whether you're building a turbocharged street car, race engine, or custom EFI conversion, this injector set delivers the precise fuel control, excellent idle characteristics, and dependable performance that enthusiasts and professional tuners expect from Fuel Injector Clinic.
Every injector is individually flow tested, serial numbered, and matched to within one percent before leaving Fuel Injector Clinic. Each set includes a detailed injector flow sheet documenting the performance of every injector along with solder-in pigtails for custom installations. If you need help selecting the proper injector dimensions for your application, Fuel Injector Clinic's technical support team is available at (561) 427-0082.
Specifications
- Manufacturer: Fuel Injector Clinic
- Product Code: 0660-38-14-21-6
- Part Number: ISC-0660H-SP-6
- Injector Flow Rate: 660cc/min
- Injector Height: 38mm SHORT
- Engine Configuration: 6 Cylinder
- Top O-Ring Diameter: 14mm
- Bottom O-Ring Diameter: 21mm
- Flow Matching: Matched to within 1%
- Flow Test Pressure: 43.5 psi (3 Bar)
- Test Fluid: CF-16B Calibration Fluid
- Fuel Temperature During Testing: 90 degrees F
- Included: Six matched injectors, solder-in pigtails, detailed flow sheet, and required O-rings
- Warranty: Lifetime Warranty against manufacturing defects
Features
- Complete set of six precision matched 660cc high performance fuel injectors
- Compact 38mm SHORT body designed for custom EFI applications
- Flow matched to within one percent for balanced cylinder-to-cylinder fueling
- Each injector is individually serial numbered for quality verification
- Detailed injector flow data sheet included with every set
- Flow tested at 43.5 psi (3 Bar) using CF-16B calibration fluid
- Superior short pulse width control for smooth idle quality and excellent drivability
- Tight manufacturing tolerances help simplify ECU tuning
- Includes solder-in pigtails for custom wiring installations
- Supplied with the required O-rings for this injector configuration
- Covered by Fuel Injector Clinic's Lifetime Warranty against manufacturing defects
Fitment
Custom six cylinder fuel injector applications requiring:
- 660cc injectors
- 38mm SHORT injector height
- 14mm upper O-ring
- 21mm lower O-ring
Designed for custom fuel systems utilizing aftermarket fuel rails, intake manifolds, or engine management systems. Please verify injector dimensions before ordering. If you have any questions, contact Fuel Injector Clinic at (561) 427-0082 for expert application assistance.
FAQs
Why are these injectors individually serial numbered?
Each injector is individually tested and assigned a serial number so its flow data can be documented on the included flow sheet, ensuring complete quality control and traceability.
Do these injectors include wiring connectors?
Yes. Every custom injector set includes solder-in pigtails along with the required O-rings and a detailed flow sheet to simplify installation on custom applications.
Why Buy from Beefcake Racing?
Beefcake Racing offers expert technical support and one of the largest selections of Fuel Injector Clinic products available. We'll help you choose the proper injector size and configuration so your custom fuel system performs exactly as intended.
If you have questions before ordering, contact us at sales@beefcakeracing.com or call 1-855-827-7223. Our team is ready to help you select the right injector package for your build.
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