Holley Fuel Injectors

4.18 out of 5 stars 44 Customer Reviews

Holley electronic fuel injectors deliver the performance and quality that you expect when you see the Holley name. They're available either as replacement items to take the place of failed or damaged parts, or as upgrade and tuning items to boost fuel flow when you're cranking up the power in your engine. Many different options are available, including more than a dozen lbs./hr. advertised flow rates. Select the model best suited for your application.

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Results 1 - 18 of 18

Holley Fuel Injectors 522-428

Fuel Injectors, 42 lbs/hr., Tri-cone Spray, Bosch Plug, EV1 Body, 12V Saturated Circuit, 2.42 in. Seat Height, High Impedance, 8-pieces, Set

Part Number: HLY-522-428

5.0 out of 5 stars ( 8 )

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Holley Fuel Injectors 522-488

Fuel Injectors, 48 lbs/hr, Tri-cone Spray, Bosch Plug, EV1 Body, 12V Saturated Circuit, 2.42 in. Seat Height, High Impedance, 12.2 ohms, 8-pieces, Set

Part Number: HLY-522-488

4.8 out of 5 stars ( 5 )

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Holley Fuel Injectors 522-368

Fuel Injectors, 36 lbs/hr., Tri-cone Spray, Bosch Plug, EV1 Body, 12V Saturated, 2.85 in. Seat Height, High Impedance, 12.2 ohms, 8-pieces, Set

Part Number: HLY-522-368

4.33 out of 5 stars ( 6 )

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Holley Fuel Injectors 522-668

Fuel Injectors, 66 lbs/hr, Tri-cone Spray, Bosch Plug, EV1 Body, 12V Saturated Circuit, 2.42 in. Seat Height, Low Impedance, 2.2 ohms, 8-pieces, Set

Part Number: HLY-522-668

5.0 out of 5 stars ( 2 )

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Holley Fuel Injectors 522-168

Fuel Injectors, 160 lbs/hr., Tri-cone Spray, Bosch Plug, EV1 Body, 12V Saturated Circuit, 2.85 in. Seat Height, Low Impedance, 2.0 ohms, 8-pieces, Set

Part Number: HLY-522-168

3.0 out of 5 stars ( 2 )

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Holley Fuel Injectors 522-128

Fuel Injectors, 120 lbs/hr., Tri-cone Spray, Bosch Plug, EV1 Body, 12V Saturated Circuit, 2.415 in. Seat Height, Low Impedance, 2.2 ohms, 8-piece, Set

Part Number: HLY-522-128

3.4 out of 5 stars ( 5 )

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Holley Fuel Injectors 522-838

Fuel Injectors, 83 lbs/hr, Tri-cone Spray, Bosch Plug, EV1 Body, 12V Saturated, 2.42 in. Seat Height, Low Impedance, 2.2 ohms, 8-pieces, Set

Part Number: HLY-522-838

5.0 out of 5 stars ( 1 )

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Holley Fuel Injectors 522-168FM

Fuel Injectors, 160 lbs/hr, Tri-cone Spray, Matched, Bosch Plug, EV1 Body, 12V Saturated, 2.85 in. Seat Height, Low Impedance, 2.0 ohms, 8-pieces, Set

Part Number: HLY-522-168FM

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Trick Flow® TFX™ Fuel Injectors TFS-89160

3 out of 5 stars ( 2 )

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Holley Fuel Injectors 522-161

Fuel Injectors, 160 lbs/hr., Tri-cone Spray, Bosch Plug, EV1 Body, 12V Saturated Circuit, 2.85 in. Seat Height, Low Impedance, 2.0 ohms, Each

Part Number: HLY-522-161

3.0 out of 5 stars ( 2 )

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Holley Fuel Injectors 522-308

Fuel Injectors, 30 lbs/hr., Tri-cone Spray, Bosch Plug, EV1 Body, 12V Saturated Circuit, 2.85 in. Seat Height, High Impedance, 8-pieces, Set

Part Number: HLY-522-308

5.0 out of 5 stars ( 2 )

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Holley Fuel Injectors 522-43

Fuel Injectors, 85 lbs/hr, TBI Injector, GM Maxi Plug, GM TBI Body, 4/1 amp Peak, 1.92 in. Height, Impedance, 1.4 ohm, Each

Part Number: HLY-522-43

3.0 out of 5 stars ( 3 )

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Holley Fuel Injectors 522-421

Fuel Injectors, 42 lbs/hr., Tri-cone Spray, Bosch Plug, EV1 Body, 12V Saturated Circuit, 2.85 in. Seat Height, High Impedance, Each

Part Number: HLY-522-421

Not Yet Reviewed

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Holley Fuel Injectors 522-121

Fuel Injectors, 120 lbs/hr., Tri-cone Spray, Bosch Plug, EV1 Body, 12V Saturated Circuit, 2.415 in. Seat Height, Low Impedance, 2.2 ohms, Each

Part Number: HLY-522-121

4.0 out of 5 stars ( 2 )

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Holley Fuel Injectors 522-831

Fuel Injectors, 83 lbs/hr, Tri-cone Spray, Bosch Plug, EV1 Body, 12V Saturated, 2.42 in. Seat Height, Low Impedance, 2.2 ohms, Each

Part Number: HLY-522-831

3.0 out of 5 stars ( 1 )

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Holley Fuel Injectors 522-481

Fuel Injectors, 48 lbs/hr, Tri-cone Spray, Bosch Plug, EV1 Body, 12V Saturated Circuit, 2.42 in. Seat Height, High Impedance, 12.2 ohms, Each

Part Number: HLY-522-481

Not Yet Reviewed

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Holley Fuel Injectors 522-248

Fuel Injectors, 24 lbs/hr., Tri-cone Spray, Bosch Plug, EV1 Body, 12V Saturated Circuit, 2.85 in. Seat Height, High Impedance, 8-pieces, Set

Part Number: HLY-522-248

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Holley Fuel Injectors 522-80

Fuel Injectors, 72 lbs/hr, TBI Injector, Replacement, GM Maxi Plug, GM TBI Body, 4/1 amp Peak, 1.92 in. Height, Impedance, 1.4 ohm, Each

Part Number: HLY-522-80

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Holley Fuel Injectors 522-241

Fuel Injectors, 24 lbs/hr., Tri-cone Spray, Bosch Plug, EV1 Body, 12V Saturated Circuit, 2.85 in. Seat Height, High Impedance, Each

Part Number: HLY-522-241

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

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