Holley Ignitions & Electrical

Alternators, Premium, OE Style, Cast Aluminum, Polished Finish, 150 amps, 12V, Internal Regulator, Serpentine Pulley, Chevy, 4.8-7.0L, Each

Part Number: HLY-197-304

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Wiring Connector Replacement Parts, Holley EFI, Replacement, Terminal Pins, Male, GT150, 20-22 gauge wire, 100-piece, Set

Part Number: HLY-571-103

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Engine Management Systems, Terminator X, Up to 8-EV6 Injectors, 8-Coils, Analog Input, O2 Sensor, Plug-and-Play, 3.5 in. Controller, Ford, 5.0L, Kit

Part Number: HLY-550-1211

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Weatherproof Connectors, Holley EFI, LS2 Knock Sensor Connector, Main Harness, GT150, 2-pin Female, White Plastic, with Pins, Seals, TPA, Each

Part Number: HLY-570-220

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, NKT O2 Sensor, GM, LS, 24x Crank Sensor, Kit

Part Number: HLY-550-602N

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Weatherproof Connectors, Holley EFI, Knock Sensor Connector, MPFI Universal Harness, Metripack, 3-pin Male, Black Plastic, with Pins, Seals, TPA, Each

Part Number: HLY-570-205

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, O2 Sensor, for GM TPI, Holley Stealth Ram, Kit

Part Number: HLY-550-601N

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Weatherproof Connectors, Holley EFI, GM, MPFI/TPI, Main Harness Connectors, J1A/J1B Connectors, Pins, Seals, Cavity Plugs included, Kit

Part Number: HLY-570-102

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Distributors, Holley EFI, Dual-Sync, Hall Effect, Computer-controlled, Male/HEI, Black Cap, Shiny Housing, Chrysler, Dodge, Plymouth, 4.5-5.9L, Each

Part Number: HLY-565-208

Not Yet Reviewed

Estimated Ship Date: Apr 2, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Management Systems, Terminator X, Up to 8-Injectors, 8-Coils, Plug-and-Play, Analog Inputs, Controller, Chevy, Early LT, 5.3L, 6.2L, Kit

Part Number: HLY-550-1600

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Distributors, Holley EFI, Dual-Sync, Hall Effect, Computer-controlled, Male/HEI, Black Cap, Steel Gear, Polished Housing, Oldsmobile, 4.3-7.5L, Each

Part Number: HLY-565-206

3.2 out of 5 stars ( 5 )

Estimated Ship Date: Mar 31, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Throttle Position Sensors, Replacement, Pro-Jection, Multi-Port, 1-barrel, 2-barrel, Each

Part Number: HLY-543-3

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Apr 3, 2026 if ordered today

• Drop Ship
• Special Order

Distributors, Holley EFI, Dual-Sync, Hall Effect, Computer-controlled, Male/HEI, Black Cap, Steel Gear, Polished Housing, Pontiac, 5.3-7.5L, Each

Part Number: HLY-565-207

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Management Systems, Terminator EFI, Module, Replacement, Self-Tune, Controls 8-Injectors, 8-Coils, Four Analog Inputs, Wideband, CANBUS, Each

Part Number: HLY-554-119

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Wiring Connector Replacement Parts, Holley EFI, Replacement, Terminal Pins, Female, GT150, 16-18 gauge wire, 100-piece, Set

Part Number: HLY-571-107

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Plug-and-Play, Drive-by-Wire, Tuner/Trans Control, 4R70W, Ford, 4.6L, 5.4L, Kit

Part Number: HLY-550-1319

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Wiring Connector Replacement Parts, Holley EFI, Replacement, Seal Plugs, Weatherpack, Brown, 100-piece, Set

Part Number: HLY-571-134

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Weatherproof Connectors, Holley EFI, Wideband Connectors, Main Harness Side, Metripack, 8-pin, Male, Black, Seals, TPA, 10-piece, Set

Part Number: HLY-570-300

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Wire Connectors, Weatherproof Pigtail, Female Connector, Dual 8mm Pin, Air Conditioning, R-4 Style, Radial Compressor, Each

Part Number: HLY-199-200

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Weatherproof Connectors, Holley EFI, IAC 4-square Connector, Main Harness, Weather Pack, 4-cavity, Tower, Black Plastic, with Pins, Seals, TPA, Each

Part Number: HLY-570-214

Not Yet Reviewed

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: Mar 30, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Connector Kits, Replacement, Connectors, Male, Pins, Grommets, Stealth Ram, Power Pack, for MAP, IAC, TPS, Coolant, Air Intake, Sensors, Kit

Part Number: HLY-534-213

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Camshaft Sync Pickups, Hall Effect Sensor, 3-wire, with Bracket, 1/4 in.-20 Flying Magnet, for External Dry Cam Drive, Ford, Early Model, Kit

Part Number: HLY-556-123

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Weatherproof Connectors, Holley EFI, Hemi, Knock Sensor Connector, Main Harness, DMS 2-pin, Female, Black Plastic, includes Pins, Seals, TPA, Each

Part Number: HLY-570-230

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Wiring Connector Replacement Parts, Holley EFI, Replacement, Weather Seal, White, Metripack, 18-22 gauge wire, 100-piece, Set

Part Number: HLY-571-108

Not Yet Reviewed

Estimated Ship Date: Tomorrow