Holley Fuel Injection

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: Today

Fuel Injection System Components, Holley EFI, Replacement, Air Temperature, Sensor, Black Plastic Housing, for Terminator EFI System, Each

Part Number: HLY-554-121

3.4 out of 5 stars ( 5 )

Estimated Ship Date: Today

Throttle Cable Brackets, Throttle Body Mounting Style, Steel, Black, Hi-Ram, Mid-Ram, GM, Small Block LS, Each

Part Number: HLY-20-149

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Today

Fuel Injection System Wiring Harnesses, Holley EFI, CAN Adapter Harness, Male to Female Adapter, 48 in. Long, for Racepak or CAN Device, Each

Part Number: HLY-558-452

Not Yet Reviewed

Estimated Ship Date: Today

Fuel Injection System Wiring Harnesses, Distributor Adapter Harness, Sniper EFI to Holley Dual Sync Distributor, 12 V, Plug-and-Play, Each

Part Number: SNE-558-493

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Estimated Ship Date: Today

Wire Harnesses, Sniper 2 EFI, Input/Output Harness, Throttle Body Injection, Speed Density Metered, 6-pin Female Connector, Each

Part Number: SNE-558-497

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Fuel Injection System Components, Holley Sniper EFI, Hyperspark, Hyperspark 2, Service Harness, Ignition Box, Each

Part Number: SNE-556-156

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Estimated Ship Date: Today

Fuel Injection Components, M8 Four Pin, 4 Ft, Extension Cable, Each

Part Number: HLY-558-484

Not Yet Reviewed

Estimated Ship Date: Today

Fuel Injection System Wiring Harnesses, Holley EFI, Auxiliary Input/Output Harness, Terminator EFI, Gains 4 Inputs/1 Output, Each

Part Number: HLY-558-420

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Fuel Injection Wiring Harnesses, Holley EFI, CAN Adapter/Power Harness, Pre-Terminated, Plug-and-Play, 2-Pin Holley to 4-Pin CAN Device, Each

Part Number: HLY-558-430

Not Yet Reviewed

Estimated Ship Date: Today

O-Rings, Replacement, Rubber, for Delphi, Holley Top-Fed Injectors, E85 Compatible, 16-pieces, Set

Part Number: HLY-534-104

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Fuel Injection Components, M8 Four Pin, 8 Ft, Extension Cable, Each

Part Number: HLY-558-485

Not Yet Reviewed

Estimated Ship Date: Today

Fuel Injection Components, Sniper EFI, Throttle Body Installation, 2300 and 4150 Flange Style, Gaskets, Hardware, Kit

Part Number: SNE-520-1

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

Throttle Body Adapter, Sniper EFI, Billet Aluminum, 75mm Bore, Black Anodized, 3-bolt to 4-bolt Adapter, Chevy, 4.8L, 5.3L, 6.0L, Each

Part Number: SNE-860026

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Throttle Body Adapters, Sniper EFI, Sealing Plate, Aluminum, Natural Finish, 4150 Flange, 4 Hole Gasket, Open Plenum Gasket, Each

Part Number: SNE-520-2

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

Throttle Body Adapter, Sniper EFI, Billet Aluminum, 92mm Bore, Black Anodized, for 78mm Factory Intake, Chevy, 4.8L, 5.3L, 6.0L, Each

Part Number: SNE-860020

Not Yet Reviewed

Estimated Ship Date: Today

Plugs, Sniper EFI, Idle Air Control Plug, O-ring Included, for Dual 4 Barrel, Sniper EFI Engines, Each

Part Number: SNE-543-123

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Fuel Injection System Components, Holley EFI, CAN Extension Harness, 9 in. Long, Pre-Terminated, Plug-and-Play, for Racepak/External CAN Drives, Each

Part Number: HLY-558-428

Not Yet Reviewed

Estimated Ship Date: Today

Fuel Injection System Wiring Harnesses, Holley EFI, CAN Adapter Harness, Male to Female Adapter, 12 in. Long, for Racepak or CAN Device, Each

Part Number: HLY-558-451

Not Yet Reviewed

Estimated Ship Date: Today

Fuel Rail Components, Adapter Bracket Kit, Required When Upgrading to EV1/Bosch Style Injectors on OE Style LS Manifolds, Chevy, LS, Kit

Part Number: HLY-534-246

Not Yet Reviewed

Estimated Ship Date: Today

Fuel Injection System Components, Replacement, Map Sensor Bracket,Black Finish,Each

Part Number: HLY-9902-104

Not Yet Reviewed

Estimated Ship Date: Today

Hardware Kits, Replacement, O-rings, Gaskets, Hardware, Hi-Ram Intake 300-301, 302, 303, Ford, 5.0L, Windsor, Kit

Part Number: HLY-508-40

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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• Special Order

Wiring Harness, Replacement, Fuel Injector Wiring, Throttle Body Style, Speed Density Metering, for 2-barrel, Digital Pro-Jection, Closed Loop, Each

Part Number: HLY-534-56

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Drop Ship
• Special Order