Fuel Injector Clinic 1650cc High Impedance Fuel Injector Set for LS1 Engines (IS301-1650H)
When your LS1 build demands serious fuel delivery without sacrificing street manners, the Fuel Injector Clinic IS301-1650H injector set delivers. This complete set of eight saturated high impedance injectors combines exceptional flow capacity with excellent idle quality, making it an outstanding choice for high-horsepower naturally aspirated, turbocharged, and supercharged combinations running gasoline or E85. Featuring the latest injector technology and Fuel Injector Clinic's advanced Data Match Technology, these injectors provide outstanding consistency and simplified tuning.
The IS301-1650H features direct drop-in installation with the factory-style connector, eliminating the need for wiring modifications or adapter harnesses. Every injector is individually serial numbered and dynamically matched using Fuel Injector Clinic's proprietary Data Match Technology, with a comprehensive Data Match Sheet included for accurate flow and latency information. Plug and Play GM ECU calibration data is also available directly from Fuel Injector Clinic for faster, more precise tuning.
Constructed with a stainless alloy valve, the 1650cc injector is fully compatible with a wide range of fuels, including pump gasoline, E85, Q16, VP Import, FTW, and other MTBE oxygenated race fuels. Fuel Injector Clinic also considers this to be the largest high impedance injector compatible with all race fuels, while still providing exceptional idle quality for street-driven vehicles.
Quick Specs
- Manufacturer: Fuel Injector Clinic
- Part Number: IS301-1650H
- Application: LS1 Engines
- Injector Quantity: Set of 8
- Injector Type: Saturated High Impedance (High-Z)
- Flow Rate: 1650 cc/min (160 lb/hr) @ 43.5 PSI (3 Bar)
- Flow Rate: 1900 cc/min (180 lb/hr) @ 58 PSI (4 Bar)
- Installation: Drop-in factory-style connector
- Connector: No plug conversion required
- Matching Technology: Fuel Injector Clinic Data Match Technology
- Flow Testing: Tested at 43.5 PSI (3 Bar) using CF-16B calibration fluid at 90 degrees Fahrenheit
- Fuel Compatibility: Pump gasoline, E85, Q16, VP Import, FTW, and other MTBE oxygenated race fuels
- Valve Material: Stainless alloy valve construction
- ECU Support: Plug and Play GM ECU calibration data available from Fuel Injector Clinic
- Included: All required O-rings for the factory application
- Warranty: Lifetime warranty against defects in original manufacture
Features
- Designed specifically for LS1 engine applications.
- Complete set of eight saturated high impedance fuel injectors.
- 1650 cc/min (160 lb/hr) flow rate at 43.5 PSI (3 Bar).
- 1900 cc/min (180 lb/hr) flow rate at the OE 58 PSI (4 Bar) fuel pressure.
- Direct drop-in installation with factory-style electrical connectors.
- No wiring modifications or plug conversion required.
- Latest Fuel Injector Clinic injector technology.
- Matched using proprietary Data Match Technology.
- Each injector is individually serial numbered.
- Includes a comprehensive Data Match Sheet with flow matching and latency values.
- Excellent short pulse width control for outstanding idle quality and drivability.
- Compatible with pump gasoline, E85, Q16, VP Import, FTW, and other MTBE oxygenated race fuels.
- Stainless alloy valve construction for broad fuel compatibility.
- Plug and Play GM ECU calibration data available from Fuel Injector Clinic.
- Includes all required O-rings for factory installation.
- Backed by Fuel Injector Clinic's lifetime warranty against manufacturing defects.
Fitment
LS1 Engines
FAQs
Do these injectors require wiring modifications?
No. The IS301-1650H features factory-style electrical connectors for true drop-in installation, so no wiring changes or adapter harnesses are required.
What fuels are these injectors compatible with?
The stainless alloy valve construction makes these injectors compatible with pump gasoline, E85, Q16, VP Import, FTW, and other MTBE oxygenated race fuels while maintaining excellent idle quality in street-driven applications.
Why Buy From Beefcake Racing?
Beefcake Racing proudly offers genuine Fuel Injector Clinic fuel system components backed by expert technical support, competitive pricing, and fast shipping. Whether you're building a high-horsepower street car or a dedicated race LS1, our knowledgeable team can help you choose the right injectors and supporting fuel system components for your goals.
Need help selecting the proper injector size? Contact our experienced team before placing your order.
Email: sales@beefcakeracing.com
Phone: 1-855-827-7223
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