Fuel Injector Clinic Six Cylinder 650cc Custom Injector Set - 64mm Height - 11mm Top O-Ring Diameter - 21mm Bottom O-Ring Diameter (Product Code: 0650-64-11-21-6)
Give your six cylinder engine the fuel delivery precision it deserves with the Fuel Injector Clinic 650cc Custom Injector Set. Designed for enthusiasts who demand consistent performance and excellent drivability, these injectors deliver smooth idle characteristics, crisp throttle response, and dependable fueling for naturally aspirated and forced induction combinations alike. Whether you're upgrading an existing setup or completing a custom build, this injector set provides the consistency needed for reliable performance.
Every injector is dynamically flow matched using Fuel Injector Clinic's exclusive Data Match Technology, ensuring exceptional injector-to-injector consistency throughout the operating range. Each injector is individually serial numbered and accompanied by a comprehensive Data Match Sheet containing detailed flow and latency data for accurate ECU calibration. This custom configuration features a 64mm body height with an 11mm upper O-ring and 21mm lower O-ring, includes solder-in pigtails, and is backed by Fuel Injector Clinic's lifetime warranty against defects in original manufacture.
Specifications
- Manufacturer: Fuel Injector Clinic
- Product Code: 0650-64-11-21-6
- SKU: isc-0650h-6
- Injector Flow Rate: 650cc/min
- Injector Height: 64mm
- Top O-Ring Diameter: 11mm
- Bottom O-Ring Diameter: 21mm
- Engine Configuration: Six Cylinder
- Flow Rating: 43.5 PSI (3 Bar)
- Flow Test Temperature: 90 degrees F
- Calibration Fluid: CF-16B
- Matching Technology: Fuel Injector Clinic Data Match Technology
- Included: Six matched injectors, solder-in pigtails, Data Match Sheet, and required O-rings
- Warranty: Lifetime warranty against defects in original manufacture
Features
- Complete set of six precision matched 650cc fuel injectors.
- Proprietary Data Match Technology ensures outstanding injector consistency.
- Each injector is individually serial numbered for quality verification.
- Includes a comprehensive Data Match Sheet with individual flow and latency values.
- Excellent short pulse width control for smooth idle and superior drivability.
- Delivers consistent fueling for easier ECU calibration and tuning.
- Flow tested at 43.5 PSI (3 Bar) using CF-16B calibration fluid.
- 64mm injector body with 11mm upper and 21mm lower O-ring configuration.
- Includes solder-in pigtails for custom wiring applications.
- Supplied with all required O-rings for proper installation.
- Protected by Fuel Injector Clinic's lifetime warranty against manufacturing defects.
Fitment
Custom fit six cylinder fuel injector set.
Designed for applications requiring:
- 64mm injector height
- 11mm top O-ring diameter
- 21mm bottom O-ring diameter
If your vehicle utilizes an aftermarket fuel rail, intake manifold, or custom fuel system, please verify injector dimensions before ordering. If you are unsure which injector configuration is correct for your application, contact Beefcake Racing and our team will be happy to help.
FAQs
Is this injector set supplied with tuning data?
Yes. Every Fuel Injector Clinic injector set includes a detailed Data Match Sheet containing individual injector flow and latency information to assist with accurate ECU calibration.
Are these injectors ready for custom installations?
Yes. This custom injector set includes solder-in pigtails and the required O-rings for this injector configuration, making it ideal for custom fuel system applications.
Why Buy From Beefcake Racing?
At Beefcake Racing, we understand that choosing the correct injector dimensions is critical for a successful installation. Our experienced staff can help verify your injector height, O-ring sizes, and overall compatibility before you order, ensuring your Fuel Injector Clinic injector set is the right fit for your project.
If you have questions about injector sizing, fitment, or fuel system compatibility, contact our knowledgeable team before placing your order.
Beefcake Racing
Phone: 1-855-827-7223
Email: sales@beefcakeracing.com
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

