Fuel Injector Clinic 650cc High Impedance Fuel Injector Set for Small Block Chevy Gen II Engines (IS300-0650H)
Give your Small Block Chevy Gen II engine the fueling capacity needed for higher horsepower while maintaining excellent street manners with the Fuel Injector Clinic IS300-0650H High Impedance Fuel Injector Set. This complete set of eight injectors flows 650cc/min (62 lb/hr) at 43.5 PSI (3 Bar) and 750cc/min (72 lb/hr) at the factory-style 58 PSI (4 Bar) fuel pressure. Utilizing the latest injector technology, these injectors deliver outstanding linearity, superior short pulse width repeatability, and exceptional drivability, making them ideal for naturally aspirated, supercharged, turbocharged, and E85-capable performance builds.
Each IS300-0650H injector set is precisely matched using Fuel Injector Clinic's proprietary Data Match Technology. Every injector is individually serial numbered and supplied with a detailed Data Match Sheet containing injector-specific flow and latency information for highly accurate ECU calibration. Plug and Play GM ECU calibration data is also available from Fuel Injector Clinic, helping simplify tuning on supported GM engine management systems.
This injector set includes PGTUSC8 injector connector pigtails for wiring harness conversion. If you prefer to retain your factory wiring without cutting or soldering, optional PADPUtoJ8 Plug and Play adapters are available separately. Fuel Injector Clinic chooses to use brand-new, unused injectors rather than remanufactured core injectors, providing improved reliability and long-term performance for demanding applications.
Quick Specs
- Part Number: IS300-0650H
- Application: Small Block Chevy Gen II engines
- Injector Quantity: 8
- Injector Flow Rate: 650cc/min (62 lb/hr) at 43.5 PSI (3 Bar)
- Injector Flow Rate: 750cc/min (72 lb/hr) at OE 58 PSI (4 Bar)
- Injector Type: High impedance (saturated)
- Includes PGTUSC8 injector pigtails
- Optional PADPUtoJ8 Plug and Play adapters available
- 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 Small Block Chevy Gen II engine applications
- Flows 650cc/min (62 lb/hr) at 43.5 PSI and 750cc/min (72 lb/hr) at OE 58 PSI fuel pressure
- Latest high impedance injector technology for exceptional fuel control
- Outstanding linearity and excellent short pulse width repeatability
- Fuel Injector Clinic Data Match Technology provides precise injector-to-injector matching
- Each injector is individually serial numbered with an included Data Match Sheet
- Plug and Play GM ECU calibration data available for supported applications
- Includes PGTUSC8 wiring pigtails for connector conversion
- Optional PADPUtoJ8 adapters allow installation without cutting or soldering
- Brand-new injectors eliminate the concerns associated with remanufactured core injectors
- Application-specific O-rings included for proper installation
- Excellent idle quality, drivability, and tuning characteristics
- Backed by Fuel Injector Clinic's lifetime warranty against manufacturing defects
Fitment
- Small Block Chevy Gen II engine applications requiring a set of eight high impedance fuel injectors
- Compatible with factory-style and compatible aftermarket fuel systems designed for this injector configuration
Installation and Connector Information
This injector set requires changing the injector connectors on your engine wiring harness. The included PGTUSC8 pigtails can be soldered onto the factory harness, or optional PADPUtoJ8 Plug and Play adapters can be purchased separately for a true plug-and-play installation without cutting or soldering.
Fuel Injector Clinic specifies this connector conversion because it uses brand-new, unused injectors instead of remanufactured or core-program injectors, helping provide greater reliability, consistency, and long-term performance.
FAQs
Will these injectors require wiring modifications?
Yes. The included PGTUSC8 pigtails are designed for wiring harness conversion. If you want to retain the factory harness, optional PADPUtoJ8 Plug and Play adapters are available separately.
Does Fuel Injector Clinic provide ECU calibration data?
Yes. Plug and Play GM ECU calibration data is available from Fuel Injector Clinic for supported engine management systems, helping make tuning faster and more accurate.
Why Buy From Beefcake Racing?
Beefcake Racing proudly offers genuine Fuel Injector Clinic products backed by competitive pricing, fast shipping, and expert technical support. Whether you're upgrading a street-driven Small Block Chevy or building a high-horsepower forced induction combination, our knowledgeable team can help you choose the correct injectors and supporting fuel system components for your project.
Questions about injector sizing or connector adapters?
Email: sales@beefcakeracing.com
Phone: 1-855-827-7223
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