Fuel Injector Clinic 525cc High Impedance Fuel Injector Set for LS1 Engines (IS301-0525H)
Increase the fueling capability of your LS1-powered build with the Fuel Injector Clinic IS301-0525H injector set. This complete set of eight saturated high impedance fuel injectors is engineered to deliver outstanding fuel control, excellent drivability, and dependable performance for naturally aspirated, supercharged, and turbocharged applications. Built using the latest injector technology, these injectors provide exceptional linearity and short pulse width repeatability for predictable tuning and smooth idle quality.
Every Fuel Injector Clinic injector set is precisely flow matched to within one percent, ensuring balanced fuel delivery across all eight cylinders. Each injector is individually serial numbered and includes a detailed flow sheet documenting its measured performance. Plug and Play GM ECU calibration data is available directly from Fuel Injector Clinic to simplify tuning. Because Fuel Injector Clinic uses brand-new injectors instead of remanufactured units, this kit includes PGTUSC8 injector pigtails, while optional PADPUtoJ8 Plug and Play adapters are available separately for installers who prefer not to modify the factory wiring harness.
Quick Specs
- Manufacturer: Fuel Injector Clinic
- Part Number: IS301-0525H
- Application: LS1 Engines
- Injector Quantity: Set of 8
- Injector Type: Saturated High Impedance (High-Z)
- Flow Rate: 525 cc/min (50 lb/hr) @ 43.5 PSI (3 Bar)
- Flow Rate: 600 cc/min (58 lb/hr) @ 58 PSI (4 Bar)
- Flow Matching: Matched to within 1%
- Flow Testing: Tested at 43.5 PSI (3 Bar) using CF-16B calibration fluid at 90 degrees Fahrenheit
- ECU Support: Plug and Play GM ECU calibration data available from Fuel Injector Clinic
- Included: PGTUSC8 injector pigtails
- Optional Accessory: PADPUtoJ8 Plug and Play adapters available separately
- Included: All required O-rings for the factory application
- Warranty: Lifetime warranty against defects in original manufacture
Features
- Designed for LS1 engine applications.
- Complete set of eight saturated high impedance fuel injectors.
- 525 cc/min (50 lb/hr) flow rate at 43.5 PSI (3 Bar).
- 600 cc/min (58 lb/hr) flow rate at the OE 58 PSI (4 Bar) fuel pressure.
- Latest Fuel Injector Clinic injector technology.
- Precisely flow matched to within 1%.
- Each injector is individually serial numbered.
- Includes a detailed injector flow sheet.
- Excellent linearity and short pulse width repeatability.
- Superior idle quality and excellent drivability.
- Plug and Play GM ECU calibration data available from Fuel Injector Clinic.
- Includes PGTUSC8 injector pigtails.
- Optional PADPUtoJ8 Plug and Play adapters available separately.
- 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?
Yes. The IS301-0525H includes PGTUSC8 injector pigtails for wiring conversion. Optional PADPUtoJ8 Plug and Play adapters are available separately if you prefer not to cut or solder the factory wiring harness.
Does Fuel Injector Clinic provide tuning data?
Yes. Plug and Play GM ECU calibration data is available directly from Fuel Injector Clinic to simplify tuning and help optimize injector performance.
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 upgrading a street-driven LS1 or building a serious performance combination, our knowledgeable team can help you select the ideal injectors and supporting fuel system components.
Need help choosing the right injector size? Contact our experienced team before placing your order.
Email: sales@beefcakeracing.com
Phone: 1-855-827-7223
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