EFI Kits, Fuel Injectors, Throttle Bodies & More

Fuel Injector, OEM Replacement, Cadillac, Chevrolet, LS, Each

Part Number: ADO-19420334

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/1/2025

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Fuel Injection System, Pro-Flo 4, Self-Learning, Sequential Multi-Port, Satin, 550 HP Max, BB Ford FE, Kit

Part Number: EDL-35960

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/1/2025

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Fuel Injection Systems, Sniper EFI, Stealth 4500, Throttle Body, Polished, 4500 Flange, 1440 cfm, Fuel Injectors, Harness, Tuner, Kit

Part Number: SNE-550-841

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/1/2025

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Fuel Injectors, USCAR/EV6/EV14, 60 lbs./hr., 630cc/min., 12.5 Ohms, with O-rings, Matched Set, Chevy, GMC, 4.8/5.3/6.0L, Excluding Flex Fuel, Set of 8

Part Number: DWK-35U0100608

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 12/1/2025

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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

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Monday 12/1/2025

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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 )

Estimated Ship Date: Monday 12/1/2025

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Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Polished, 4150 Flange, 650 hp Max, 800 CFM, Inline Pump, PDM, Bluetooth, Chevy, Kit

Part Number: SNE-550510BPKSBC

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/1/2025

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Fuel Rail, TFX™, EFI, with Regulator, Aluminum, Black Anodized, Ford, 5.0L, Kit

Part Number: TFS-51580001

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/1/2025

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Fuel Injection System, Ultimate LS EFI, 500 HP, LS1/LS2/LS6, Without Transmission Controller, Kit

Part Number: FIF-70001

3.36 out of 5 stars ( 14 )

Estimated Ship Date: Monday 12/1/2025

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Fuel Injection System, Pro-Flo 4 XT, Self-Learning, Sequential Multi-Port, Satin, 450 HP Max, SB Chevy with Vortec or E-Tec heads, Kit

Part Number: EDL-35820

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/1/2025

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Fuel Injectors, 65 lbs./hr., High Impedance, 12 V, Saturated Circuit, EV6, Universal, Set of 8

Part Number: FST-30657-8

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/1/2025

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Wiring Harness, Holley EFI, V8 Over Manifold, Bosch Injector Harness, for Avenger, Dominator, HP EFI Systems, Chrysler, GM, Cylinder Orientation, Kit

Part Number: HLY-558-200

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/1/2025

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

Part Number: SNE-550-510-5PK

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

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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 12/1/2025

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Fuel Injection System, Pro-Flo 4, Self-Learning, Sequential Multi-Port, Satin, 825 HP Max, 1965 and Later BB Chevy Large Oval Port, Kit

Part Number: EDL-35840

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/1/2025

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Fuel Injection Systems Wiring Harnesses, Dominator EFI, J2A Auxiliary Harness, MPFI, Speed Density/Throttle Metered, with Wideband O2 Sensor, Kit

Part Number: HLY-558-401

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/1/2025

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

Part Number: SNE-550-510-3AX

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/1/2025

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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 12/1/2025

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Fuel Injection System, Pro-Flo 4 XT, Self-Learning, Sequential Multi-Port, Satin, 825 HP Max, 1965 and Later BB Chevy Rectangular Port, Kit

Part Number: EDL-35880

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/1/2025

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Wiring Harnesses, Holley EFI, Universal, Unterminated, Main Harness, Multi-port Fuel Injection, for HP, Dominator, EFI Systems, with Connectors, Each

Part Number: HLY-558-105

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/1/2025

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Fuel Injection Systems, Sniper EFI, Stealth 4500, Throttle Body, Black, 4500 Flange, 1440 cfm, Fuel Injectors, Harness, Tuner, Kit

Part Number: SNE-550-842

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/1/2025

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Fuel Injection System, Ultimate LS EFI, 500 HP, LS1/LS2/LS6, With Transmission Controller, Kit

Part Number: FIF-70002

3.08 out of 5 stars ( 12 )

Estimated Ship Date: Monday 12/1/2025

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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 )

Estimated Ship Date: Monday 12/1/2025

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Fuel Injectors, 21 lbs./hr., 14.4 Ohms Impedance, 12 V, Chevy, Ford, Lincoln, Mercury, Oldsmobile, Set of 8

Part Number: ACC-150821

4.78 out of 5 stars ( 27 )

Estimated Ship Date: Monday 12/1/2025

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Fuel Injectors, 50 lb/hr, Chevy, Pontiac, Set of 8

Part Number: DWK-16U0000508

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/1/2025

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