Holley Ignitions & Electrical

Adapter Harnesses, Holley EFI, MAP Sensor Adapter, 3-pin Delphi GT to 3-pin Delphi M/P 150 Connector, Plug-and-Play, LS Engine Harness, Each

Part Number: HLY-558-467

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

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: Monday 11/10/2025

• Free Shipping

Distributors, Sniper EFI, HyperSpark, HEI Cap, Hall Effect, Billet Housing, Black, Ignition Module, Pontiac, 326-455ci, Each

Part Number: SNE-565-314BK

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

Wiring Harnesses. Holley EFI, Replacement, Input/Output Harness, Terminator EFI Systems, Pre-Terminated, Plug-and-Play, Each

Part Number: HLY-558-462

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

Weatherproof Connectors, Holley EFI, J2A Input/Output Connector, OEM Style, Black Plastic, includes Pins, Seals, TPA, Kit

Part Number: HLY-570-345

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

Wiring Harnesses, Holley EFI, Pro-Billet Ignition Adapter, Plug-and-Play, Holley Main Harness to Terminator X EFI System, Each

Part Number: HLY-558-325

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

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

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, NTK O2, Wideband, CANBUS, Ford, Multi-Point, Kit

Part Number: HLY-550-606N

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 1, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Distributors, Sniper EFI, HyperSpark, HEI Cap, Hall Effect, Aluminum Housing, Iron Gear, Ignition Module, Ford, Lincoln, Mercury, 351ci, Windsor, Each

Part Number: SNE-565-342

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

Wiring Connector Replacement Parts, Holley EFI, Replacement, Terminal Pins, Super Seal, 18-16 gauge wire, 100-piece, Set

Part Number: HLY-571-136

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

Camshaft Sync Pickups, Holley EFI, Cam Sync Sensor, 3-wire Hall Effect Pickup, M12x1 Threads, Pre-Terminated, for Flying Magnetic Target Only, Each

Part Number: HLY-554-125

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

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

Part Number: HLY-558-130

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

Distributors, Sniper EFI, HyperSpark, HEI Cap, Hall Effect, Billet Housing, Black, Ignition Module, Oldsmobile, 260-455ci, Each

Part Number: SNE-565-310BK

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

Sensors, Replacement, Throttle Position, for Model 4500, Gen 3 Dominator, Sensor, Wire Harness, Hardware Included, Each

Part Number: HLY-534-214

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/10/2025

Distributer Caps, Hyperspark, Service Cap, HEI, Male, Screw Down, Stainless Contacts, Rynite, Black, for SNE-565-300 Distributor, Each

Part Number: HLY-565-30

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

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 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

Electrical Wires, Holley EFI, Shielded Cable, Black Jacket, 7-conductor, Five 18 gauge Wires, Two 20 gauge Wires, Wideband, 25 ft. Spool, Each

Part Number: HLY-572-100

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

Convoluted Tubing, Wire Looms and Wire Sleeves, Holley EFI, Split Wire Loom, Black Nylon, Slip-on Insulation, 0.375 in. I.D., 10 ft. Long, Each

Part Number: HLY-573-104

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/10/2025

Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coil, Trans Controller, Sensors, USB Cable, Chevy, LS, 4.8-6.0L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-927T

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

Distributor Caps, Holley EFI, Replacement, Dual-Sync Cap, Male/HEI, Screw Down, Stainless Contacts, Rynite, Black, Small Diameter, with Retainer, Each

Part Number: HLY-566-105

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

Weatherproof Connectors, Holley EFI, J2B Input/Output Connector, OEM Style, Black Plastic, includes Pins, Seals, TPA, Kit

Part Number: HLY-570-346

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

Distributor Caps, Holley EFI, Coil-on-Plug, Black Cap, Screw Down Style, Black, compatible with Dual-Sync Distributors, 200 Series, Each

Part Number: HLY-566-103

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

Throttle Position Sensors, Replacement, Multi-port, for Holley 105 mm Throttle Body, Non-Contact Magnetic, Each

Part Number: HLY-543-112

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

Distributors, Sniper EFI, HyperSpark, HEI Cap, Hall Effect, Aluminum Housing, Ignition Module, Chrysler, Dodge, Plymouth, Small Block, 273-360ci, Each

Part Number: SNE-565-344

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

Gauge Wire Harnesses, Holley EFI, Replacement, Pro Dash Service Harness, Plug-and-Play, for 553-111, 553-112, Each

Part Number: HLY-558-446

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

• Free Shipping