EFI Kits, Fuel Injectors, Throttle Bodies & More

Fuel Injection System Wiring Harnesses, Holley EFI, Replacement, Main Harness, Terminator EFI Systems, Model 550-405, 550-406, Each

Part Number: HLY-558-414

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Fuel Injector, OEM Replacement, 1.4 ohms, Only Fits Models with VIN Code X, Chevrolet, 4.3L, Each

Part Number: ADO-217-1516

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Wiring Harnesses, Holley EFI, Gen III Hemi, Throttle Position, Idle Air Controls, Factory Connectors, Chrysler, Dodge, Jeep, Hemi, Late Model, Each

Part Number: HLY-558-116

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Wiring Harnesses, Holley EFI, Gen III Hemi, Throttle Position, Idle Air Controls, Factory Connectors, Chrysler, Dodge, Jeep, Hemi, Early Model, Each

Part Number: HLY-558-115

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Idle Air Control Valve, Oval Connector, for use on Mexico Built Models, Ford, Each

Part Number: SMP-AC628

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Rebuild Kits, Throttle Body, Pro-Jection, 2-Barrel, Gaskets, O-rings, for Models 502-4, -5, -6, -7, -8, Kit

Part Number: HLY-503-5

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

Fuel Injector, Remanufactured, Cummins, Diesel, Manual Transmission Models Only, 5.9L, L6, Dodge, RAM, Each

Part Number: DFP-EX631060

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Estimated Ship Date: Feb 2, 2026 if ordered today

• Core Charge $22.50
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Throttle Body, 103mm, Drive-By-Wire, Billet Aluminum, Black Anodized, Each

Part Number: NWP-SD103BK

5.0 out of 5 stars ( 6 )

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

Part Number: HLY-550-1012

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Fuel Injection System, Go EFI 4 600HP Self-Tuning, Throttle Body, Satin Black, ECM, Kit

Part Number: FIF-30002

4.25 out of 5 stars ( 170 )

Estimated Ship Date: Today

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Fuel Injection System, Go Street 400 HP Self Tuning, Force Fuel System, Kit

Part Number: FIF-35203

3.67 out of 5 stars ( 18 )

Estimated Ship Date: Today

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Throttle Body, 103mm, Drive-By-Wire, Billet Aluminum, Natural, Each

Part Number: NWP-SD103

4.18 out of 5 stars ( 11 )

Estimated Ship Date: Today

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Fuel Injector, Replacement, 42 lbs./hr., Chevy, Pontiac, Each

Part Number: ADO-217-2425

4.92 out of 5 stars ( 12 )

Estimated Ship Date: Today

Throttle Body, Sniper EFI, Multi-port Injection, 92mm Bore, Billet Aluminum, Black Anodized, Hardware, Chevy, LS, 4.8-7.0L, Each

Part Number: SNE-860004-1

4.33 out of 5 stars ( 15 )

Estimated Ship Date: Today

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Throttle Body, MPI, 103mm, Billet Aluminum, Black Anodized, GM, Gen V LTX, Each

Part Number: NWP-SD103LTXB

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Wiring Harnesses, Holley EFI, Replacement, LS Style, 58X/4X Main Harness, Speed Density, for HP, Dominator, EFI Systems Only, Chevy, 6.0-7.0L, Each

Part Number: HLY-558-103

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Fuel Injector, ID1300x Series,1335.0cc/min Flow Rate, EV6/USCAR Plug, 1.653 in. Height, Chevrolet, Cadillac, Pontiac, Set of 8

Part Number: IJD-13003414158

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Throttle Body, MPI, Cast Aluminum, Black Powdercoated, 102mm, Chevy, 5.7L, 6.0L, 6.2L, 7.0L, Each

Part Number: FST-54104

5.0 out of 5 stars ( 1 )

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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 ( 9 )

Estimated Ship Date: Today

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

Part Number: HLY-112-588

3.85 out of 5 stars ( 13 )

Estimated Ship Date: Today

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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: Today

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Fuel Injection Systems Wiring Harnesses, Holley EFI, Drive-by-Wire Harness, GM LSx, for Dominator EFI Systems, 6-Pin, Each

Part Number: HLY-558-406

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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

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Fuel Injectors and Spider, Replacement, Each

Part Number: SMP-FJ504

4.36 out of 5 stars ( 39 )

Estimated Ship Date: Today

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Throttle Body, 103mm, Drive-By-Wire, Malevolent Series, Cast Aluminum, Black, Chevy LS, Each

Part Number: GRN-GMTBLS3M

3.29 out of 5 stars ( 7 )

Estimated Ship Date: Today

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