EFI Kits, Fuel Injectors, Throttle Bodies & More

EFI System, Easy Street, Gold Throttle Body, Self Tuning, Up to 600HP, Inline Fuel Pump, Kit

Part Number: FIF-31005

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Fuel Injection Systems, Terminator X, Stealth 4500 EFI, Eight Injector, Throttle Body, Speed Density, Aluminum, Shiny, Tunable, Kit

Part Number: HLY-550-1070

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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

Part Number: EDL-35823

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Fuel Injection System, Go EFI 4, Throttle Body, Go Fuel In-Tank Fuel Pump Module, Wiring Harness, Hardware, Matte Black Finish, Kit

Part Number: FIF-36202

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Fuel Injection Systems, Go EFI Classic 650 HP, Gold Finish Throttle Body, ECM, 4-barrel Square Bore Mounting Flange, E85, Gasoline, Kit

Part Number: FIF-30020

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Fuel Injection, MAX EFI LS 750 KIT (LS3), Low Profile, 102mm Throttle Body, Black, Kit

Part Number: SUM-240512-L102B

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Wiring Harness, Cummins Diesel, 5.9L, Facilitates Engine Transplants, Each

Part Number: PRF-60250

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Wiring Harnesses, Holley EFI, TFI Ignition, Adapter Harness, for Avenger, HP, Dominator EFI Systems, Each

Part Number: HLY-558-305

4.9 out of 5 stars ( 10 )

Estimated Ship Date: Today

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Wire Harnesses, Sniper EFI, HyperSpark, Main Harness, Throttle Body Injection, Plug-n-Play, 40 amp Relay Included, Each

Part Number: SNE-558-328

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Fuel Injection System Components, Replacement Handheld, New Style for LS Systems 70001-70051 Ultimate LS, Each

Part Number: FIF-62013-LS

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Fuel Injection System, Ultra Ram, 800HP, Multi-Port, Chevy, Big Block, Rectangular Port, Kit

Part Number: FIF-38302

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Fuel Injection System Components, Sniper 2 EFI, Throttle Body System, CAN Hub, Direct Connect, Plastic Case, Black, Plug-and-Play, 5-Port, Each

Part Number: SNE-558-494

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Fuel Injection Systems Wiring Harnesses, Dominator EFI, J2B Auxiliary Harness, 8 Additional Inputs, 23 Outputs, Connector Included, Kit

Part Number: HLY-558-402

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Fuel Injection System Wiring Harnesses, Holley EFI, Crank/Cam Ignition Harness, Plug-and-Play, for Ferrous Hall Effect to HP/Dominator Systems, Each

Part Number: HLY-558-431

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

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 Injection System, Go EFI 650 HP, Self-Tuning, Throttle Body, ECM, Black, Kit

Part Number: FIF-30021

3.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Fuel Injection System Wiring Harnesses, Holley EFI, Multi-port Fuel Injection, Coil-on-Plug, Dual CANbus, for Holley HP, Dominator EFI, Universal, Kit

Part Number: HLY-558-117

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Fuel Injection System, Go EFI, 4-Barrel 600HP, Aluminum, Bright Finish, Force Fuel System, Self-Tuning ECU, Kit

Part Number: FIF-35201

2.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Fuel Injection System, Sniper 2 from Sniper 1 Upgrade, Throttle body, Black, 4150 Flange, 650 hp Max, 800 CFM, Regulator, 5 in. Display, Kit

Part Number: SNE-550-511-5AE

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Fuel Injection System Wiring Harnesses, Holley EFI, Drive-by-wire Harness, GM LSx Early Truck, MPFI, SFI, TBI, for Dominator EFI Systems, Each

Part Number: HLY-558-429

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Fuel Injection System, Nitro-Cast LS1 EFI, 1000 HP, 102mm Throttle Body, 80lb. Injectors, Cable Driven, with Transmission Controller, Chevy, Kit

Part Number: FIF-73108

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Fuel Injection, MAX EFI LS 750 KIT (LS1), Low Profile, 92mm Throttle Body, Black, Kit

Part Number: SUM-240511-L92B

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Hand Held, New Style, Each

Part Number: FIF-62013-30003

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Wiring Harnesses. Holley EFI, Replacement, Wideband O2 Adapter Harness, Terminator EFI Systems, Pre-Terminated, Plug-and-Play, Each

Part Number: HLY-558-463

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Fuel Injection System, Ultimate LS EFI, 750 HP, LS3/L92, Without Transmission Controller, Kit

Part Number: FIF-70013

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Apr 10, 2026 if ordered today

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