Holley Ignitions & Electrical

Harness Adaptors, Holley EFI, LS3 MAP Sensor Adapter, Plug-and-Play, Pre-Terminated, Adapts to LS1/LS2 Engine, Chevy, 5.7L, 6.0L, Each

Part Number: HLY-558-416

4.88 out of 5 stars ( 17 )

Estimated Ship Date: Tuesday 9/2/2025

Alternator Pigtails, 18-gauge, Copper Core, 8 ft. Length, Designed for AD Style Alternators, Each

Part Number: HLY-197-400

4.78 out of 5 stars ( 40 )

Estimated Ship Date: Tuesday 9/2/2025

Throttle Position Sensor, Sniper EFI, Multi-port, Replacement, for 92mm, 102mm, Sniper Throttle Body, Chevy, LS1, LS2, LS3, LS6, LS7, Each

Part Number: SNE-870001

2.86 out of 5 stars ( 7 )

Estimated Ship Date: Tuesday 9/2/2025

Coolant Temperature Sensors, Replacement, Brass, Natural, 3/8 in. NPT, for Sniper EFI Systems, Each

Part Number: HLY-543-120

4.4 out of 5 stars ( 10 )

Estimated Ship Date: Tuesday 9/2/2025

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

Part Number: HLY-558-323

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

Sensors, Sniper EFI, Map Sensor, 2.5 Bar, GM Stock Attachments, 25 psi Boost Maximum, for Sniper EFI Intakes, Fabricated, Each

Part Number: SNE-870021

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Tuesday 9/2/2025

Electrical Wires, Holley EFI, Shielded Cable, Black Jacket, 3-conductor, 20 gauge Wire, Internally Shielded, 25 ft. Spool, Each

Part Number: HLY-572-103

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tuesday 9/2/2025

Wire Harnesses, Sniper 2 EFI, Tachometer, Input Ignition, Adapter Harness, for CD Ignition Boxes, Each

Part Number: HLY-558-329

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

Convoluted Tubing, Wire Looms and Wire Sleeves, Holley EFI, Split Wire Loom, Black Nylon, Slip-on Insulation, 0.125 in. I.D., 50 ft. Long, Each

Part Number: HLY-573-101

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tuesday 9/2/2025

Pressure Safety Switches, Fuel Pressure, Normally Open, Minimum 2 psi, Maximum 100 psi, 1/8 in. NPT, Each

Part Number: HLY-12-810

4.29 out of 5 stars ( 17 )

Estimated Ship Date: Tuesday 9/2/2025

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: Tuesday 9/2/2025

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

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

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: Tuesday 9/2/2025

Weatherproof Connectors, Holley EFI, J4 Input/Output Connector, OEM Style, Black Plastic, includes Pins, Seals, TPA, Kit

Part Number: HLY-570-348

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

Convoluted Tubing, Wire Looms and Wire Sleeves, Holley EFI, Split Wire Loom, Black Nylon, Slip-on Insulation, 0.500 in. I.D., 10 ft. Long, Each

Part Number: HLY-573-106

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Tuesday 9/2/2025

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: Tuesday 9/2/2025

Wire Harnesses, Sniper 2 EFI, Adapter for Pro-Billet Distributer or 2-Wire Magnetic pickup Trigger, Each

Part Number: HLY-558-330

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

Adapter Harnesses, Holley EFI, MAP Sensor Adapter, MPFI Weatherpack 2-pin to 3-pin Delphi GT Connector, Plug-and-Play, LS Engine Harness, Each

Part Number: HLY-558-466

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

Weatherproof Connectors, Holley EFI, J3 Input/Output Connector, OEM Style, Black Plastic, includes Pins, Seals, TPA, Kit

Part Number: HLY-570-347

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

Convoluted Tubing, Wire Looms and Wire Sleeves, Holley EFI, Split Wire Loom, Black Nylon, Slip-on Insulation, 0.750 in. I.D., 10 ft. Long, Each

Part Number: HLY-573-108

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tuesday 9/2/2025

Convoluted Tubing, Wire Looms and Wire Sleeves, Holley EFI, Split Wire Loom, Black Nylon, Slip-on Insulation, 1.000 in. I.D., 10 ft. Long, Each

Part Number: HLY-573-110

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

MAP Sensor Adapters, Replacement, Quick Turn Adapters, 1/8 in., 3/16 in. 1/4 in., for Terminator X, Each

Part Number: HLY-543-121

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

Switches, Windshield Wiper, Rotary Style, 6 amp, 1 3/8 in. Diameter, Steel Case, Plastic, Black Knob, Two Speed, Push-to-Wash, fit Bezel 553-342, Each

Part Number: HLY-553-343

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

Sensors, Replacement, Coolant Temperature, Analog Style, Brass, Natural, 3/8 in. NPT, for Holley Pro-Jection Systems, Each

Part Number: HLY-534-2

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Tuesday 9/2/2025

Wiring Harnesses, RetroBright, Ground Switched Harness, Easy Installation, Toyota, Land Cruiser, Each

Part Number: HLY-H840

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025