Availability
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
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Ignition Coil Brackets, Holley EFI, Holley Smart Coil, Remote Coil Relocation Bracket, Aluminum, Black Finish, Hardware Included, Pair
Part Number: HLY-561-131
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Ignition Coil Brackets, Holley EFI, Gen III, LS Ignition Coil, Remote Relocation Bracket, Aluminum, Black Finish, Hardware Included, Pair
Part Number: HLY-561-128
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Ignition Coil Brackets, Holley EFI, Gen V, LS Ignition Coil, Remote Relocation Bracket, Aluminum, Black Finish, Hardware Included, Pair
Part Number: HLY-561-130
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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: Tomorrow
Estimated Ship Date: Tomorrow
Ignition Coil Drivers, Holley EFI, Coil Drivers, Potted, Two Modules, Four Channel, for Two Wire Dumb Coils, Universal, Kit
Part Number: HLY-554-123
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Ignition Coil Drivers, Holley EFI, Four Channel, Module, Wires, Connectors, Drives 2-wire Dumb-coil, Each
Part Number: HLY-554-112
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Ignition Coil Wiring Harnesses, Holley EFI, Coil Harness, Ford 2V Modular, Plug-and-Play, for HP, Dominator EFI Systems, Ford, Lincoln, Mercury, Each
Part Number: HLY-558-314
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Ignition Coil Wiring Harnesses, Holley EFI, Coil Harness, Ford 4V Modular, Plug-and-Play, for HP, Dominator EFI Systems, Ford, Mustang, 4.6L, Each
Part Number: HLY-558-315
Not Yet Reviewed
Estimated Ship Date: Feb 11, 2026 if ordered today
Estimated Ship Date: Feb 11, 2026 if ordered today
Ignition Coil Wiring Harnesses, Holley EFI, Gen III Hemi, Coil Harness, Early Style, OE Connectors, for HP, Dominator EFI Systems, Dodge, 5.7L, Each
Part Number: HLY-558-310
Not Yet Reviewed
Estimated Ship Date: Feb 11, 2026 if ordered today
Estimated Ship Date: Feb 11, 2026 if ordered today
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