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: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
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: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
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
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Spark Plug Wire Sets, Holley EFI, Cut-toFit, for Smart Coil, 36 in. Long, Black Wire, 8.00mm Core, Black Silicone, Plug Boot, Straight, Universal, Set
Part Number: HLY-561-113
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
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: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
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
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Spark Plug Wire Sets, Holley EFI, Assembled, for Coil Packs, Red Wire, 8.00mm Core, Gray Silicone, Plug Boot, 135 Degree, Chevy, Camaro, 6.2L, Set
Part Number: HLY-561-102
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Wiring Harnesses, Holley EFI, Gen III Hemi, VVT, SRV, Sub-Harness Only, Plug-and -Play, for Terminator X, Terminator X Max EFI, Dodge, 5.7-6.4L, Each
Part Number: HLY-558-132
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Spark Plug Wire Sets, Holley EFI, Assembled, for Coil Packs, Black Wire, 8.00mm Core, Black Silicone, Plug Boot, 135 Degree, Chevy, Camaro, 6.2L, Set
Part Number: HLY-561-100
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Relays, Dual Fuel Pump, 40 Amp, 12V, Single Pole, Blade Type, Wire Harness Included, Chrysler, Dodge, Ford, Kit
Part Number: HLY-12-759
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Wiring Harnesses, Holley EFI, GM Gen V, GDI Late, Sub-Harness, Direct Injection, Pre-Terminated, 4-pin Fuel Sensor, GM, Late LT Based, Engines, Each
Part Number: HLY-558-221
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
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
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Spark Plug Wire Sets, Holley EFI, Cut-toFit, for Smart Coil, 36 in. Long, Red Wire, 8.00mm Core, Gray Silicone, Plug Boot, Straight, Universal, Set
Part Number: HLY-561-115
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
This product may not be eligible for select promotional offers
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