Holley Ignitions & Electrical

Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coils, Plug-and-Play, LS Drive-by-Wire, Trans Control, Chevy, Late LT, 5.3L, 6.2L, Kit

Part Number: HLY-550-1631LSD

Not Yet Reviewed

Estimated Ship Date: Sep 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: Monday 9/15/2025

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: Monday 9/15/2025

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: Monday 9/15/2025

Wiring Connector Replacement Parts, Holley EFI, Replacement, Terminal Pins, Male, Molex MX150, 16-20 gauge wire, 100-piece, Set

Part Number: HLY-571-112

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

Crank Trigger Wheels, Holley EFI, Replacement, 12-1X, Hall Effect, 6.25 in. Diameter, Aluminum, Silver, Chevy, LS, Small Block, Each

Part Number: HLY-556-185

Not Yet Reviewed

Estimated Ship Date: Oct 1, 2025 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: Sep 29, 2025 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: Monday 9/15/2025

Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coils, Drive-by-Wire, 3.5 in. Controller, Chrysler, Dodge, 5.7L, 6.4L, Non-VVT, Kit

Part Number: HLY-550-1424

Not Yet Reviewed

Estimated Ship Date: Sep 30, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Weatherproof Connectors, Holley EFI, Wideband Connector, Main Harness Side, Metripack, 8-pin Male, Black Plastic, with Pins, Seals, TPA, Each

Part Number: HLY-570-200

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

Engine Management Systems, Terminator X, Up to 8-EV6 Injectors, 8-Coils, Analog, O2 Sensor, Plug-and-Play, USB Tuning Cable, Ford, 4.6L, 5.4L, Kit

Part Number: HLY-550-1221

Not Yet Reviewed

Estimated Ship Date: Oct 1, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Weatherproof Connectors, Holley EFI, Ford Coyote/Modular, TPS Connector, Main Harness, DMS 3-pin, Female, Black Plastic, with Pins, Seals, TPA, Each

Part Number: HLY-570-231

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

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: Monday 9/15/2025

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: Oct 1, 2025 if ordered today

• Drop Ship
• Special Order

Crankshaft Position Sensors, Holley EFI, Ford 7.3L, Godzilla, Conditioning Module, for Dominator, HP, Terminator X, with V6-300, V3-100 Builds, Each

Part Number: HLY-558-474

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

Distributors, Holley EFI, Dual-Sync, Hall Effect, Computer-controlled, Male/HEI, Black Cap, Black Housing, Chrysler, Dodge, Plymouth, 6.3L, 6.6L, Each

Part Number: HLY-565-209BK

Not Yet Reviewed

Estimated Ship Date: Oct 1, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Weatherproof Connectors, Holley EFI, Ford Coyote, Cam Position Sensor Connector, Sealed, 3-pin, Female, Black Plastic, with Pins, Seals, TPA, Each

Part Number: HLY-570-239

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

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: Monday 9/15/2025

• Free Shipping

Ignition Coil Spacer, Plastic, Black, 0.575 in. Tall, Chevy, Small Block Gen V, Set of 16

Part Number: HLY-241-189

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

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: Monday 9/15/2025

Crank Trigger Wheels, Holley EFI, Replacement, 12-1X LS, Hall Effect, 7.5 in. Diameter, Aluminum, Silver, Universal, Each

Part Number: HLY-556-181

Not Yet Reviewed

Estimated Ship Date: Sep 30, 2025 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: Oct 1, 2025 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: Monday 9/15/2025

Fuel Injection System Wiring Harnesses, Holley EFI, Replacement, Main Harness, Terminator X, Terminator Max X Systems, Ford, Mustang, 5.0L, Each

Part Number: HLY-558-513

Not Yet Reviewed

Estimated Ship Date: Oct 1, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Weatherproof Connectors, Holley EFI, MAP Connector, Main Harness, Weather Pack, 3-cavity, Tower, Green Plastic, with Pins, Seals, TPA, Each

Part Number: HLY-570-212

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025