Holley Fuel Injection

Fuel Injection Systems, Terminator X, Stealth 4150 EFI, Eight Injectors, Throttle Body, Speed Density, Aluminum, Black, Tunable, Kit

Part Number: HLY-550-1005

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/27/2025

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Fuel Injection Systems, Sniper EFI, Quadrajet, Throttle Body, Gold, Spread Bore Flange, Injectors, Fuel Pump, 255 lph, Regulator, Harness, Tuner, Kit

Part Number: SNE-550-869K

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/27/2025

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Fuel Injection System, Sniper 2 from Sniper 1 Upgrade, Throttle body, Polished, 4150 Flange, 650 hp Max, 800 CFM, Regulator, 3.5 in. Display, Kit

Part Number: SNE-550-510-3AE

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/27/2025

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Fuel Injectors, Terminator X, EFI, 120 lbs./hr., USCAR Plug, EV6/Pico Body, 12V Saturated, High Impedance, 1.85 in. Overall Height, 0.65 OD, Set of 8

Part Number: HLY-522-128X

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/27/2025

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Fuel Injection System Components, Terminator X, Upgrade, 3.5 in. Touch Screen, Handheld Controller, Mounting Sleeve, Power Cord, Wire Harness, Each

Part Number: HLY-553-201

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/27/2025

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Fuel Injection System Wiring Harnesses, Holley EFI, CAN Splitter Assembly, Pre-Terminated, Plug-and-Play, for Terminator X, Sniper EFI Systems, Each

Part Number: HLY-558-465

4.56 out of 5 stars ( 9 )

Estimated Ship Date: Monday 10/27/2025

Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Black, 4150 Flange, 650 hp Max, 800 CFM, Inline Pump, PDM, 5 in. Display, Kit

Part Number: SNE-550-511-5PK

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/27/2025

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Fuel Injection Systems, Sniper EFI, Stealth 4150, 650 HP Max, Throttle Body, Black, 4150 Flange, Injectors, Wiring Harness, Tuner, Kit

Part Number: SNE-550-871

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/27/2025

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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

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Monday 10/27/2025

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Fuel Injectors, Terminator X, EFI, 76 lbs./hr., USCAR Plug, EV6/Pico Body, 12V Saturated, High Impedance, 1.85 in. Overall Height, 0.65 OD, Set of 8

Part Number: HLY-522-768X

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/27/2025

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Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Polished, 4150 Flange, 650 hp Max, 800 CFM, No Pump, PDM, 3.5 in. Display, Ford, Kit

Part Number: SNE-5505103PXSBF

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

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Fuel Injectors, Terminator X, EFI, 100 lbs./hr., USCAR Plug, EV6/Pico Body, 12V Saturated, High Impedance, 1.85 in. Overall Height, 0.65 OD, Each

Part Number: HLY-522-101X

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 10/27/2025

Throttle Bodies, Universal, 4150 Flange, 4-Barrel, Multi-Port Injection, Cable Actuated, 1,000 cfm, Aluminum, Gray Anodized, Each

Part Number: HLY-112-587

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/27/2025

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Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Polished, 4150 Flange, 650 hp Max, 800 CFM, No Pump, PDM, 3.5 in. Display, Kit

Part Number: SNE-550-510-3PX

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/27/2025

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Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Black, 4150 Flange, 650 hp Max, 800 CFM, No Pump, PDM, Bluetooth, Ford, Kit

Part Number: SNE-550511BPXSBF

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

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Fuel Injection System, Sniper 2 from Sniper 1 Upgrade, Throttle body, Black, 4150 Flange, 650 hp Max, 800 CFM, No Pump, Bluetooth, Kit

Part Number: SNE-550-511-BAX

3.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 10/27/2025

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Fuel Injection Systems, Terminator X Max, Stealth 4150 EFI, Four Injector, Throttle Body, Speed Density, Aluminum, Shiny, Tunable, Trans Control, Kit

Part Number: HLY-550-1011

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

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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 )

Estimated Ship Date: Monday 10/27/2025

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Fuel Injection System Wiring Harness, Holley EFI, Main Power, Universal, Speed Density/Throttle, 13 ft. Long, for Avenger, HP, Dominator EFI, Kit

Part Number: HLY-558-308

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/27/2025

Fuel Injectors, Terminator X, EFI, 220 lbs./hr., USCAR Plug, EV6/Pico Body, 12V Saturated, High Impedance, 1.85 in. Overall Height, 0.65 OD, Set of 8

Part Number: HLY-522-228X

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/27/2025

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Fuel Injection System, Sniper 2 from Sniper 1 Upgrade, Throttle body, Black, 4150 Flange, 650 hp Max, 800 CFM, No Pump, 3.5 in. Display, Kit

Part Number: SNE-550-511-3AX

4.25 out of 5 stars ( 8 )

Estimated Ship Date: Monday 10/27/2025

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Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Black, 4150 Flange, 650 hp Max, 800 CFM, No Pump, Bluetooth, Kit

Part Number: SNE-550-511-BXX

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/27/2025

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Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Black, 4150 Flange, 650 hp Max, 800 CFM, No Pump, PDM, 5 in. Display, Kit

Part Number: SNE-550-511-5PX

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

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Fuel Rails, Holley EFI, Billet Aluminum, Black Anodized, -8 AN, O-ring Inlet, Fittings, Hardware Included, Chevy, LS, 4.8-7.0L,Kit

Part Number: HLY-534-244

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/27/2025

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Fuel Injection Systems, Sniper EFI, Quadrajet, Throttle Body, Gold, Spread Bore Flange, Injectors, Pressure Regulator, Harness, Tuner, Kit

Part Number: SNE-550-869

3.2 out of 5 stars ( 5 )

Estimated Ship Date: Monday 10/27/2025

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