Holley Ignition Components

Ignition Coil Wiring Harnesses, Holley EFI, Replacement, LS Coil Harness, Plug-and-Play, OE Connectors, Not for LS1/LS6, Chevy, LS Engine, Pair

Part Number: HLY-558-321

4.56 out of 5 stars ( 18 )

Estimated Ship Date: Today

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Crankshaft Position Sensors, Holley EFI, Replacement, Hall Effect, Magnetic Trigger, 3/4 in.-16 Thread, 6 in. Harness, with Connector, Terminals, Each

Part Number: HLY-554-118

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Ignition Coil Wiring Harnesses, Holley EFI, Coil-On/Near Plug Harness, for GM LSx Coil Harness, Holley 558-312, to HP, Dominator EFI Systems, Each

Part Number: HLY-558-307

Not Yet Reviewed

Estimated Ship Date: Today

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Ignition Coil Wiring Harnesses, Holley EFI, LS Coil Extension Harness, 36 in. Long, OE Connectors, Plug & Play, Techflex F6 Loom, Chevy, 4.8-70L, Pair

Part Number: HLY-558-326

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Ignition Coil Wiring Harnesses, Holley EFI, C-N-P Ignition Sub-Harness, 12-gauge Wire, for HP EFI, Smart Coils, Chevy, LS Based, 4.8-7.0L, Each

Part Number: HLY-558-318

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Modules, Sniper EFI, Ignition Coil Driver, Plastic Case, Black, Compact, 1 Channel, Labeled Wire Harness, for Canister Ignition Coils, Each

Part Number: SNE-556-150

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Ignition Coil Brackets, Holley EFI, Gen III, LS Ignition Coil, Remote Relocation Bracket, Aluminum, Black Finish, Hardware Included, Pair

Part Number: HLY-561-128

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Ignition Coil Wiring Harnesses, Holley EFI, Gen III Hemi, Coil Harness, Late Style, OE Connectors, for HP, Dominator EFI Systems, Dodge, 5.7L, Each

Part Number: HLY-558-311

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 22, 2025 if ordered today

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• Special Order

Ignition Coil Drivers, Holley EFI, Four Channel, Module, Wires, Connectors, Drives 2-wire Dumb-coil, Each

Part Number: HLY-554-112

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Estimated Ship Date: Today

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Ignition Coil Wiring Harnesses, Holley EFI, Coil Harness, Ford Coyote, Plug-and-Play, for HP EFI, Dominator EFI, Ford, F150, Mustang, 5.0L, Each

Part Number: HLY-558-317

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Estimated Ship Date: Today

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