Availability
Gauge Wiring Harnesses, Holley EFI, Replacement, I/O Adapter, Plug-and-Play, for 7 in. Digital Dash, Each
Part Number: HLY-558-432
Estimated Ship Date: Today
Estimated Ship Date: Today
Gauge Wire Harnesses, Holley EFI, Replacement, Pro Dash Service Harness, Plug-and-Play, for 553-111, 553-112, Each
Part Number: HLY-558-446
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Wiring Connector Replacement Parts, Holley EFI, Replacement, Terminal Pins, Female, Super Seal, 24-20 gauge wire, 100-piece, Set
Part Number: HLY-571-135
Estimated Ship Date: Today
Estimated Ship Date: Today
Electrical Wires, Holley EFI, Shielded Cable, Black Jacket, 3-conductor, 20 gauge Wire, Internally Shielded, 25 ft. Spool, Each
Part Number: HLY-572-103
Estimated Ship Date: Today
Estimated Ship Date: Today
Wiring Connector Replacement Parts, Holley EFI, Replacement, Terminal Pins, Super Seal, 18-16 gauge wire, 100-piece, Set
Part Number: HLY-571-136
Estimated Ship Date: Today
Estimated Ship Date: Today
Wire Connectors, Holley EFI, ECU Connectors, J1A/J1B Sealed Connectors, 20-22 and 16-18 gauge Wire Pins, Cavity Plugs, Kit
Part Number: HLY-558-448
Estimated Ship Date: Today
Estimated Ship Date: Today
Electrical Wires, Holley EFI, Shielded Cable, Black Jacket, 3-conductor, 20 gauge Wire, Internally Shielded, 100 ft. Spool, Each
Part Number: HLY-572-104
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Wiring Connector Replacement Parts, Holley EFI, Replacement, Terminal Pins, Female, Metri-Pack, 20-22 gauge wire, 100-piece, Set
Part Number: HLY-571-104
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Wiring Connector Replacement Parts, Holley EFI, Replacement, Terminal Pins, Female, GT150, 16-18 gauge wire, 100-piece, Set
Part Number: HLY-571-107
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
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: Today
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
Not Yet Reviewed
Estimated Ship Date: Oct 6, 2025 if ordered today
Estimated Ship Date: Oct 6, 2025 if ordered 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
Not Yet Reviewed
Estimated Ship Date: Oct 6, 2025 if ordered today
Estimated Ship Date: Oct 6, 2025 if ordered today
Electrical Wires, Holley EFI, Shielded Cable, Black Jacket, 7-conductor, Five 18 gauge Wires, Two 20 gauge Wires, Wideband, 25 ft. Spool, Each
Part Number: HLY-572-100
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Electrical Wires, Holley EFI, Shielded Cable, Black Jacket, 7-conductor, Five 18 gauge Wires, Two 20 gauge Wires, Wideband, 100 ft. Spool, Each
Part Number: HLY-572-101
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Wiring Connector Replacement Parts, Holley EFI, Replacement, Weather Seal, Green, GT150, 20-22 gauge wire, 100-piece, Set
Part Number: HLY-571-109
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Oct 6, 2025 if ordered today
Estimated Ship Date: Oct 6, 2025 if ordered today
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: Oct 6, 2025 if ordered today
Estimated Ship Date: Oct 6, 2025 if ordered today
Alternator Pigtails, 18-gauge, Copper Core, 8 ft. Length, Designed for AD Style Alternators, Each
Part Number: HLY-197-400
Estimated Ship Date: Today
Estimated Ship Date: Today
Ignition Coil Wiring Harnesses, Holley EFI, C-N-P Ignition Sub-Harness, 12-gauge Wire, for HP EFI, Smart Coils, Chevy, LS Based, 4.8-7.0L, Each
Part Number: HLY-558-318
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coil, Sensors, Trans and Tuner Controller, Chevy, LS, 4.8-6.0L, 1x Cam, 24x Crank, Kit
Part Number: HLY-550-917
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coil, Sensors, Trans and Tuner Controller, Chevy, LS, 4.8-6.2L, 4x Cam, 58x Crank, Kit
Part Number: HLY-550-918
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coil, Sensors, Trans and Tuner Controller, Chevy, LS, 5.7L, 1x Cam, 24x Crank, Kit
Part Number: HLY-550-919
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Management Systems, Terminator X, Up to 8-Injectors, 8-Coil, Analog input, CANBUS, Sensors, Controller, Chevy, 4.8-6.2L, 4x Cam, 58x Crank, Kit
Part Number: HLY-550-905
Estimated Ship Date: Today
Estimated Ship Date: Today
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