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LS1, LS6 Fuel Injector Clinic Injector Set: 8 x 1650cc Saturated / High Impedance Ball & Seat Injectors. Utilizing the latest injector technology and featuring state of the art matching with Data Match Technology. Plug &Play fit to OEM harness.


Fuel Injector Clinic’s 1650cc/min high impedance injector is the largest high impedance injector compatible with all race fuels and has excellent idle performance in street driven cars while still providing enough fuel to support higher horsepower output on both E85 and gasoline.

The 1650cc high impedance injector can be used with any fuel type based on the stainless alloy valve construction. It is compatible with pump gasoline, E85, Q16, VP Import, FTW and other MTBE oxygenated race fuels!


This injector set is precisely matched using Fuel Injector Clinic's proprietary Data Match Technology. Each injector is individually serial numbered and the results are provided on the Data Match Sheet providing the most complete flow matching and latency value information available in the industry today.

Fuel Injector Clinic injectors are flow tested and rated at 43.5psi (3Bar) at 120ºF (49°C) fuel temperature using 93 Octane, 10% E pump gasoline.

Superior short pulse width control and state of the art matching make these injectors easy to tune and provide great drivability.

Fuel Injector Clinic injectors are set up to and include all o-rings needed to fit the factory application for the listed vehicle. If you are using aftermarket or other unusual setups please contact us prior to placing your order to make sure you receive injectors that fit properly.

Every injector is covered against failure caused by defects in original manufacture by our lifetime warranty


This injector set contains high impedance injectors matched to the saturated injector signal generated by this vehicle’s OEM ECU, OR is suitable for use with an aftermarket ECU made or set up for high impedance injectors.




Cylinder Quantity                                                  8
Impedance                                                           High-Z
WHP on Gas at 43.5psi 90%DC Turbo                     1505.71
WHP on Gas at 58psi 90%DC Turbo                        1739.10
WHP on E85 at 43.5psi 90%DC Turbo                     1158.24
WHP on E85 at 58psi 90%DC Turbo                        1337.77
WHP on Gas at 43.5psi 90%DC NA                         1806.86
WHP on Gas at 58psi 90%DC NA                            2086.92
WHP on E85 at 43.5psi 90%DC NA                         1389.89

Additional Information

Length 60mm
Height 1.5
Width 5
BTR SKU IS301-1650H
Weight 1.0000
Manufacturer Fuel Injector Clinic
Part Type Injector
Brand Fuel Injector Clinic
Engine Type Chevrolet LS
Universal no
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