Holley Ignitions & Electrical

PIGTAIL HARNESS, HILBORN TPS

Part Number: HLY-EL109-3-HIL

Not Yet Reviewed

Estimated Ship Date: Today

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

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: HLY-H821

Not Yet Reviewed

Estimated Ship Date: Today

Weatherproof Connectors, Holley EFI, Coyote, CTS Sensor Connector, Main Harness, MX 150, 2-pin Female, Black Plastic, Pins, Seals, TPA, Each

Part Number: HLY-570-226

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: HLY-571-116

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• Drop Ship
• Special Order

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

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Wiring Connector Replacement Parts, Holley EFI, Replacement, Weather Seal, White, GT150, 20-24 gauge wire, 100-piece, Set

Part Number: HLY-571-111

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

• Drop Ship
• Special Order

Data Acquisition, Holley EFI, Single-channel, CAN EGT, Stainless Bung, Probe, 60 in. Harness, Pre-terminated Connector, Non-Holley Installations, Kit

Part Number: HLY-554-188A

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: HLY-571-127

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

• Drop Ship
• Special Order

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

Part Number: HLY-571-102

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• Drop Ship
• Special Order

Wire Connectors, RetroBright, Replacement, Unterminated Connector, Female, 3-pin, Plastic, Black, for H4 or 9003 System, Pins Not Included, Each

Part Number: HLY-RBEC121

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

• Drop Ship
• Special Order

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

Part Number: HLY-571-115

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

• Drop Ship
• Special Order

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

Part Number: HLY-241-199

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

• Drop Ship
• Special Order

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

Part Number: HLY-571-126

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

• Drop Ship
• Special Order

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

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• Drop Ship
• Special Order

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

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

• Drop Ship
• Special Order

Weatherproof Connectors, Holley EFI, Ford Modular/Coyote, Manifold Air Temp Connector, SSC, 2-pin, Female, Gray Plastic, with Pins, Seals, TPA, Each

Part Number: HLY-570-237

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• Drop Ship
• Special Order

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

Not Yet Reviewed

Estimated Ship Date: Today

Gauge Wiring Harnesses, Holley EFI, Replacement, Service Harness, CANBus/USB Connectors, for Digital Dash, Each

Part Number: HLY-558-444

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

• Drop Ship
• Special Order

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

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

• Drop Ship
• Special Order

Weatherproof Connectors, Holley EFI, Hemi CTS Connector, Main Harness, 1.5mm YESC, 2-pin, Female, Black Plastic, with Pins, Seals, TPA, Each

Part Number: HLY-570-233

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• Drop Ship
• Special Order

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

Part Number: HLY-570-228

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

• Drop Ship
• Special Order

Engine Management Systems, Terminator X, Up to 8-EV1 Injectors, 8-Coil, Analog, O2 Sensor, Plug-and-Play, Controller, Dodge, Chrysler, 5.7-6.4L, Kit

Part Number: HLY-550-1224

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Data Acquisition Components, EGT Cap, Stainless Steel, 1/4 in., Each

Part Number: HLY-543-162

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: HLY-550-1611

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order