Availability
Data Acquisition Components, EGT Cap, Stainless Steel, 1/4 in., Each
Part Number: HLY-543-162
Not Yet Reviewed
Estimated Ship Date: Tuesday 9/2/2025
Estimated Ship Date: Tuesday 9/2/2025
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: Tuesday 9/2/2025
Estimated Ship Date: Tuesday 9/2/2025
This product may not be eligible for select promotional offers
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: Sep 17, 2025 if ordered today
Estimated Ship Date: Sep 17, 2025 if ordered today
This product may not be eligible for select promotional offers
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: Tuesday 9/2/2025
Estimated Ship Date: Tuesday 9/2/2025
This product may not be eligible for select promotional offers
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: Tuesday 9/2/2025
Estimated Ship Date: Tuesday 9/2/2025
This product may not be eligible for select promotional offers
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: Tuesday 9/2/2025
Estimated Ship Date: Tuesday 9/2/2025
This product may not be eligible for select promotional offers
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: Sep 17, 2025 if ordered today
Estimated Ship Date: Sep 17, 2025 if ordered today
This product may not be eligible for select promotional offers
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: Tuesday 9/2/2025
Estimated Ship Date: Tuesday 9/2/2025
This product may not be eligible for select promotional offers
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: Tuesday 9/2/2025
Estimated Ship Date: Tuesday 9/2/2025
This product may not be eligible for select promotional offers
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: Sep 17, 2025 if ordered today
Estimated Ship Date: Sep 17, 2025 if ordered today
This product may not be eligible for select promotional offers
Distributors, Holley EFI, Dual-Sync, Hall Effect, Computer-controlled Advance, Male/HEI, Black Cap, Steel Gear, Black Housing, Chevy, 6.0L, 7.0L, Each
Part Number: HLY-565-204BK
Not Yet Reviewed
Estimated Ship Date: Sep 17, 2025 if ordered today
Estimated Ship Date: Sep 17, 2025 if ordered today
This product may not be eligible for select promotional offers
Distributors, Sniper EFI, HyperSpark, HEI Cap, Hall Effect, Billet Housing, Polished, Ignition Module, Buick, 215ci, 300ci, 340ci, 350ci, Each
Part Number: SNE-565-311
Not Yet Reviewed
Estimated Ship Date: Sep 22, 2025 if ordered today
Estimated Ship Date: Sep 22, 2025 if ordered today
This product may not be eligible for select promotional offers
Weatherproof Connectors, Holley EFI, Hemi Cam/Crank Connector, Main Harness, APEX 1.2, 3-pin, Female, Black Plastic, with Pins, Seals, TPA, Each
Part Number: HLY-570-234
Not Yet Reviewed
Estimated Ship Date: Tuesday 9/2/2025
Estimated Ship Date: Tuesday 9/2/2025
This product may not be eligible for select promotional offers
Distributors, Holley EFI, Dual-Sync, Hall Effect, Computer-controlled, Male/HEI, Black Cap, Steel Gear, Black Housing, Oldsmobile, 4.3-7.5L, Each
Part Number: HLY-565-206BK
Not Yet Reviewed
Estimated Ship Date: Sep 17, 2025 if ordered today
Estimated Ship Date: Sep 17, 2025 if ordered today
This product may not be eligible for select promotional offers
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: Tuesday 9/2/2025
Estimated Ship Date: Tuesday 9/2/2025
This product may not be eligible for select promotional offers
Weatherproof Connectors, Holley EFI, Ford Modular, CTS Connector, Main Harness, SSC, 2-pin, Female, Black Plastic, with Pins, Seals, TPA, Each
Part Number: HLY-570-236
Not Yet Reviewed
Estimated Ship Date: Sep 17, 2025 if ordered today
Estimated Ship Date: Sep 17, 2025 if ordered today
This product may not be eligible for select promotional offers
Distributors, Sniper EFI, HyperSpark, HEI Cap, Hall Effect, Billet Housing, Polished, Ignition Module, Holden, V-8 Engine, 253ci, 304ci, 308ci, Each
Part Number: SNE-565-321
Not Yet Reviewed
Estimated Ship Date: Sep 22, 2025 if ordered today
Estimated Ship Date: Sep 22, 2025 if ordered today
This product may not be eligible for select promotional offers
Throttle Position Sensors, Replacement, Pro-Jection, Multi-Port, 2-barrel, 4-barrel, Each
Part Number: HLY-543-29
Estimated Ship Date: Sep 17, 2025 if ordered today
Estimated Ship Date: Sep 17, 2025 if ordered today
This product may not be eligible for select promotional offers
Distributors, Sniper EFI, HyperSpark, HEI Cap, Hall Effect, Aluminum Housing, Ignition Module, Chrysler, Dodge, Plymouth, Big Block, 350-400ci, Each
Part Number: SNE-565-345
Not Yet Reviewed
Estimated Ship Date: Sep 22, 2025 if ordered today
Estimated Ship Date: Sep 22, 2025 if ordered today
This product may not be eligible for select promotional offers
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: Tuesday 9/2/2025
Estimated Ship Date: Tuesday 9/2/2025
This product may not be eligible for select promotional offers
Weatherproof Connectors, Holley EFI, Hemi, MAP Sensor Connector, Sealed, 3-pin, Female, Black Plastic, with Pins, Seals, TPA, Each
Part Number: HLY-570-240
Not Yet Reviewed
Estimated Ship Date: Sep 17, 2025 if ordered today
Estimated Ship Date: Sep 17, 2025 if ordered today
This product may not be eligible for select promotional offers
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
Not Yet Reviewed
Estimated Ship Date: Sep 18, 2025 if ordered today
Estimated Ship Date: Sep 18, 2025 if ordered today
This product may not be eligible for select promotional offers
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: Tuesday 9/2/2025
Estimated Ship Date: Tuesday 9/2/2025
This product may not be eligible for select promotional offers
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
Not Yet Reviewed
Estimated Ship Date: Sep 17, 2025 if ordered today
Estimated Ship Date: Sep 17, 2025 if ordered today
This product may not be eligible for select promotional offers
Weatherproof Connectors, Holley EFI, LS1 Knock Sensor Connector, Main Harness, Metripack, 2-pin Female, Black Plastic, with Pins, Seals, TPA, Each
Part Number: HLY-570-219
Not Yet Reviewed
Estimated Ship Date: Tuesday 9/2/2025
Estimated Ship Date: Tuesday 9/2/2025
This product may not be eligible for select promotional offers
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