Holley Ignitions & Electrical

Throttle Position Sensors, Replacement, Pro-Jection, Multi-Port, 2-barrel, 4-barrel, Each

Part Number: HLY-543-29

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Oct 27, 2025 if ordered today

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Distributors, Sniper EFI, HyperSpark, HEI Cap, Hall Effect, Aluminum Housing, Cast Gear, Ignition Module, Ford, Mercury, Windsor, 260-302ci, Each

Part Number: SNE-565-341

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

Part Number: HLY-571-102

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Weatherproof Connectors, Holley EFI, LS 58X Crank/CPS Sensor Connectors, Metripack, 3-pin, Female, Black, with Pins, Seals, TPA, 10-piece, Chevy, Set

Part Number: HLY-570-318

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Data Acquisition, Holley EFI, Single-channel, CAN EGT, 1/4 in. Stainless Bung, 1/4 in. Probe, Unterminated Output, Non-Holley Installations, Kit

Part Number: HLY-554-184A

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Estimated Ship Date: Oct 27, 2025 if ordered today

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

Part Number: HLY-565-209

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Estimated Ship Date: Oct 27, 2025 if ordered today

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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

2.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

Wiring Connector Replacement Parts, Holley EFI, Replacement, Terminal Pins, Female, SSC Series, 22-18 gauge wire, 100-piece, Set

Part Number: HLY-571-126

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Ignition Coil Wiring Harnesses, Holley EFI, Gen III Hemi, Coil Harness, Early Style, OE Connectors, for HP, Dominator EFI Systems, Dodge, 5.7L, Each

Part Number: HLY-558-310

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Estimated Ship Date: Oct 27, 2025 if ordered today

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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

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Weatherproof Connectors, Holley EFI, Hemi, Air Temperature Sensor Connector, Main Harness, Molex 2-pin, Female, Black Plastic, Pins, Seals, TPA, Each

Part Number: HLY-570-227

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Estimated Ship Date: Today

Wiring Connector Replacement Parts, Holley EFI, Replacement, Terminal Pins, Female, AMP 064 Series, 22 gauge wire, 100-piece, Set

Part Number: HLY-571-127

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Wiring Harnesses, RetroBright, Adapter, H4, Non-Standard Plug, Pin-Out Swap, Plastic Version, Entry Level, Pair

Part Number: HLY-H821

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Wiring Connector Replacement Parts, Holley EFI, Replacement, Female Terminal Pins, Male, Mizu-P25, 100-piece, Set

Part Number: HLY-571-115

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Weatherproof Connectors, Holley EFI, Modular/Coyote, Knock Sensor Connector, Main Harness, MX 150, 6-pin Male, Black Plastic, Pins, Seals, TPA, Each

Part Number: HLY-570-225

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Weatherproof Connectors, Holley EFI, Ford Modular/Coyote, Idle Air Control Connector, SSC, 2-pin, Female, Black Plastic, with Pins, Seals, TPA, Each

Part Number: HLY-570-238

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Ignition Coil Spacers, Plastic, Beige, Chevrolet, Small Block LS, Set of 20

Part Number: HLY-241-199

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Ignition Coils, Holley EFI, Gen III Hemi, Smart Coils, Black, 32,000V, Rectangular, with Connector, Pins, for HP, Dominator ECU, Chrysler, Dodge, Each

Part Number: HLY-556-162

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Wiring Connector Replacement Parts, Holley EFI, Replacement, Weather Seal, Blue, Molex MX 150, 16-20 gauge wire, 100-piece, Set

Part Number: HLY-571-117

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Wiring Connector Replacement Parts, Holley EFI, Replacement, Cavity Plug, Molex MX 150, White, 100-piece, Set

Part Number: HLY-571-116

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Estimated Ship Date: Oct 27, 2025 if ordered today

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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

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Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coils, Analog, Trans/Tuner Controls, Ford Injector Spacing, GM 4L60E/80E, Harness, Kit

Part Number: HLY-550-945

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Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coils, Drive-by-Wire, 3.5 in. Controller, Chrysler, Dodge, 5.7L, 6.1L, Non-VVT, Kit

Part Number: HLY-550-1420

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Engine Management Systems, Terminator X MAX, Up to 8-EV6 Injectors, 8-Coils, Plug-and-Play, Drive-by-Wire, Tuner/Trans Control, 4R70W, Ford, 5.0, Kit

Part Number: HLY-550-1512

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Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Bosch O2 Sensor, Wideband, CANBUS, Ford, 4-valve, 5.0L, Kit

Part Number: HLY-550-619

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Estimated Ship Date: Oct 27, 2025 if ordered today

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