Holley Ignitions & Electrical

Fuel Injection Systems, Terminator X Max, LT4, Direct Injection, ECM, Self Tuning, Power Adder Compatible, Wiring Harness, Oxygen Sensor. GM Early,Kit

Part Number: HLY-550-1623

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Ignition Coil Wiring Harnesses, Holley EFI, Ford MPFI, Main Harness, Coil-On-Plug, Plug-and-Play, Dual CANbus, Factory Connectors, Ford, 5.0L, Each

Part Number: HLY-558-118

5.0 out of 5 stars ( 1 )

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Ignition Coils, Holley EFI, Gen III Hemi, Smart Coils, Black, 32,000V, Rectangular, Connector/Pins, for HP, Dominator, 8-piece, Chrysler, Dodge, Set

Part Number: HLY-556-163

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Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, Wideband, CANBUS, Universal, MPFI, Kit

Part Number: HLY-550-604

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Wiring Harnesses, Holley EFI, LT4 Engine, Main Harness, for Terminator X, V3 ECU, Cadillac, Chevy, Each

Part Number: HLY-558-130

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Wiring Harnesses, Holley EFI, Gen V, LT Engine, Main Harness, for Terminator X, Terminator X Max, ECU Only, Chevy, 5.3L, 6.2L, Each

Part Number: HLY-558-129

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Distributors, Sniper EFI, HyperSpark, HEI Cap, Hall Effect, Aluminum Housing, Ignition Module, Chrysler, Dodge, Plymouth, Big Block, 350-400ci, Each

Part Number: SNE-565-345

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Estimated Ship Date: Jan 29, 2026 if ordered today

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Crankshaft Position Sensors, Holley EFI, Replacement, Hall Effect, Crank Trigger Sensor, with Pigtail Connection, Unterminated, Each

Part Number: HLY-554-117

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Crank Trigger Wheels, Holley EFI, Replacement, 12-1X LS, Hall Effect, 7.25 in. Diameter, Aluminum, Silver, Universal, Each

Part Number: HLY-556-182

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Fuel Injection Systems, Terminator X Max, LT4, Direct Injection, ECM, Transmission Controller, 6L80E Power Adder Compatible, GM Early ,Kit

Part Number: HLY-550-1633-6

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Data Acquisition Components, Holley EFI, EGT Probe, 90 Degree, Open End Tip, 27.5 in Harness, 1/4 in. Probe, Stainless Wire Cover, Each

Part Number: HLY-554-177

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Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, O2 Sensor, Drive-by-Wire, Plug-and-Play, Ford, 5.0L, Kit

Part Number: HLY-550-1411

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Estimated Ship Date: Jan 22, 2026 if ordered today

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Camshaft Sync Pickups, Cam Sync and Bracket, Hall Effect Sensor, 1/4 in.-20 Magnetic Target, External Dry Cam Drive, Chevy, Small Block, Kit

Part Number: HLY-556-119

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Engine Management Systems, Terminator LS, Plug-andPlay, 8-Injectors, 8-Coils, Analog Inputs, with Controller, Chevy, Truck, 4.8-6.0L, 24x Crank, Kit

Part Number: HLY-550-614

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 22, 2026 if ordered today

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Interconnect Cables, Holley EFI, Sealed USB Cable, Data/Communications, 180 in. Long, Single Male Ends, Each

Part Number: HLY-558-438

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Relays, Dual Fuel Pump, 40 Amp, 12V, Single Pole, Blade Type, Wire Harness Included, Chrysler, Dodge, Ford, Kit

Part Number: HLY-12-759

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Distributors, Sniper EFI, HyperSpark, HEI Cap, Hall Effect, Billet Housing, Black, Ignition Module, Buick, 400ci, 401ci, 425ci, 430ci, 455ci, Each

Part Number: SNE-565-312BK

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Distributors, Holley EFI, Dual-Sync, Hall Effect, Computer-controlled, Male/HEI, Black Cap, Shiny Housing, Chrysler, Dodge, Plymouth, 6.7-7.2L, Each

Part Number: HLY-565-203

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Spark Plug Wire Sets, Holley EFI, Cut-to-Fit, OE Coil Packs, Black Wire, 8.00mm Core, Black Silicone, Plug Boot, Straight, Chevy, LS Engine, Set

Part Number: HLY-561-110

3.0 out of 5 stars ( 2 )

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Spark Plug Wire Sets, Holley EFI, Cut-to-Fit, OE Coil Packs, Red Wire, 8.00mm Core, Gray Silicone, Plug Boot, Straight, Chevy, LS Engine, Set

Part Number: HLY-561-112

2.8 out of 5 stars ( 5 )

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Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Analog Input, USB Cable, Chevy, LS, 5,7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-932T

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Estimated Ship Date: Jan 22, 2026 if ordered today

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Data Acquistion Wiring Harnesses, Holley EFI, I/O Adapter and Terminated Vehicle Harness, for 7 in. Digital Dash, USB Memory Stick Included, Kit

Part Number: HLY-558-434

3.0 out of 5 stars ( 1 )

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Alternators, High-amp, DR44G Style, Cast Aluminum, Natural Finish, Serpentine Pulley, 105 amps, 12V, Internal Regulator, Chevy, 4.8-7.0L, Each

Part Number: HLY-197-300

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Wiring Harness, Holley EFI, Gen III Hemi, VVT, Sub-Harness Only, Plug-and -Play, for Terminator X, Terminator X Max EFI, Dodge, 5.7L, 6.4L, Each

Part Number: HLY-558-131

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Data Acquisition Components, Holley EFI, EGT Probe, 90 Degree, Open End Tip, 22.75 in Harness, 1/4 in. Probe, Stainless Wire Cover, Each

Part Number: HLY-554-176

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