Fuel Injector Clinic 1200cc High Impedance Fuel Injector Set for Small Block Chevy Gen II Engines (IS300-1200H)
Take your Small Block Chevy Gen II fuel system to the next level with the Fuel Injector Clinic IS300-1200H High Impedance Fuel Injector Set. Engineered for serious naturally aspirated, supercharged, turbocharged, and E85-powered performance combinations, this complete set of eight injectors flows 1200cc/min (110 lb/hr) at 43.5 PSI (3 Bar) and 1350cc/min (130 lb/hr) at the factory 58 PSI (4 Bar) fuel pressure. Featuring the latest injector technology and Fuel Injector Clinic's renowned Data Match Technology, these injectors deliver outstanding fuel control, exceptional drivability, and the consistent performance demanded by high-horsepower street and race builds.
This injector set features easy to install, drop-in fitment with the factory style connector. No plug conversion is required. Fuel Injector Clinic also provides Plug and Play GM ECU calibration data for supported applications, making tuning easier while maintaining excellent idle quality and superior short pulse width control.
Every injector set is dynamically matched using Fuel Injector Clinic's proprietary Data Match Technology. Each injector is individually serial numbered and supplied with a detailed Data Match Sheet containing injector-specific flow and latency values for precise ECU calibration. As with every Fuel Injector Clinic injector, the IS300-1200H is supplied with the correct O-rings for the intended application and is backed by a lifetime warranty against manufacturing defects. Previously sold as IS300-1100H.
Quick Specs
- Part Number: IS300-1200H
- Previous Part Number: IS300-1100H
- Application: Small Block Chevy Gen II engines
- Injector Quantity: 8
- Injector Flow Rate: 1200cc/min (110 lb/hr) at 43.5 PSI (3 Bar)
- Injector Flow Rate: 1350cc/min (130 lb/hr) at OE 58 PSI (4 Bar)
- Injector Type: High impedance (saturated)
- Factory style connector with true drop-in fitment
- No plug conversion required
- 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 1200cc/min (110 lb/hr) at 43.5 PSI and 1350cc/min (130 lb/hr) at OE 58 PSI fuel pressure
- Easy drop-in installation using the factory style connector
- No plug conversion required
- Latest high impedance injector technology provides excellent linearity and fuel control
- Outstanding short pulse width repeatability for superior drivability
- Fuel Injector Clinic Data Match Technology ensures exceptional injector-to-injector consistency
- Each injector is individually serial numbered with an included Data Match Sheet
- Plug and Play GM ECU calibration data available for supported applications
- Application-specific O-rings included for proper installation
- Excellent idle quality and simplified tuning
- Previously sold under part number IS300-1100H
- 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 and compatible aftermarket fuel systems utilizing the OEM style injector connector
FAQs
Do these injectors require any wiring modifications?
No. The IS300-1200H features factory style connectors for true drop-in installation. No wiring changes, injector plug conversion, cutting, or soldering are required.
Why does this injector replace the IS300-1100H?
Fuel Injector Clinic updated the product to the IS300-1200H designation. It offers 1200cc/min (110 lb/hr) flow at 43.5 PSI and 1350cc/min (130 lb/hr) at OE 58 PSI while maintaining the outstanding drivability, precise matching, and tuning support FIC is known for.
Why Buy From Beefcake Racing?
Beefcake Racing proudly offers genuine Fuel Injector Clinic products backed by competitive pricing, fast shipping, and knowledgeable technical support. Whether you're building a naturally aspirated Small Block Chevy or a high-horsepower boosted combination, our experienced team can help you select the ideal injectors and supporting fuel system components for your project.
Questions about injector sizing or fuel system upgrades?
Email: sales@beefcakeracing.com
Phone: 1-855-827-7223
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