Availability
Holley Ignitions & Electrical
Convoluted Tubing, Wire Looms and Wire Sleeves, Holley EFI, Split Wire Loom, Black Nylon, Slip-on Insulation, 0.375 in. I.D., 10 ft. Long, Each
Part Number: HLY-573-104
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Distributors, Holley EFI, Dual-Sync, Hall Effect, Computer-controlled, Male/HEI, Black Cap, Black Housing, Chrysler, Dodge, Plymouth, 4.5-5.9L, Each
Part Number: HLY-565-208BK
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Wiring Harness Adapters, Sniper EFI 1 Harness to Sniper EFI 2 System, Pre-Terminated, Each
Part Number: SNE-558-489
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Distributors, Sniper EFI, HyperSpark, HEI Cap, Hall Effect, Billet Housing, Black, Ignition Module, Buick, 215ci, 300ci, 340ci, 350ci, Each
Part Number: SNE-565-311BK
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Distributors, Sniper EFI, HyperSpark, HEI Cap, Hall Effect, Billet Housing, Polished, Ignition Module, Chevy, Big Block, Mark V, 427ci, 454ci, Each
Part Number: SNE-565-309
Not Yet Reviewed
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Fuel Injection System Wiring Harnesses, Holley EFI, GM Gen V LTx, Drive-by-Wire, Throttle Body Harness, for Terminator X and X Max ECUs, Each
Part Number: HLY-558-468
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Distributor, Sniper EFI, HyperSpark, HEI Cap, Hall Effect, Billet Housing, Polished, Ignition Module, Chrysler, Dodge, Plymouth, Big Block, B, Each
Part Number: SNE-565-305
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Transmission Harnesses, Holley EFI, Control Harness, F-Body, T-56 Tranny, Plug-and-Play, VSS, Reverse Lockout, for Terminator X, Max X ECUs, Each
Part Number: HLY-558-481
Not Yet Reviewed
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
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
Not Yet Reviewed
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Fuel Injection System Components, Holley EFI, 1/8 in.-NPT, Sensor Block, Four Independent Ports, Aluminum, Black Anodized, Each
Part Number: HLY-534-35
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Fuel Injection System Wiring Harnesses, Holley EFI, CAN Adapter Harness, Male to Female Adapter, 8 ft. Long, for Racepak or CAN Device, Each
Part Number: HLY-558-453
Not Yet Reviewed
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Weatherproof Connectors, Holley EFI, J3 Input/Output Connector, OEM Style, Black Plastic, includes Pins, Seals, TPA, Kit
Part Number: HLY-570-347
Not Yet Reviewed
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Wiring Harnesses, Holley EFI, LT4 Engine, Main Harness, for Terminator X, V3 ECU, Cadillac, Chevy, Each
Part Number: HLY-558-130
Not Yet Reviewed
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, Wideband, CANBUS, Ford, Multi-Point, Kit
Part Number: HLY-550-606
Estimated Ship Date: Apr 14, 2026 if ordered today
Estimated Ship Date: Apr 14, 2026 if ordered today
Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, Wideband, CANBUS, Universal, Un-terminated, Kit
Part Number: HLY-550-605
Not Yet Reviewed
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Camshaft Sync Pickups, Hall Effect Sensor, with Bracket, 1/4 in.-20 Magnetic, 0.400 in. Raised Cam, External Dry Cam Drive, Chevy, Big Block, Kit
Part Number: HLY-556-120
Not Yet Reviewed
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Distributors, Sniper EFI, HyperSpark, HEI Cap, Hall Effect, Aluminum Housing, Iron Gear, Ford, Lincoln, Mercury, 351ci, Cleveland, 429-460ci, Each
Part Number: SNE-565-343
Not Yet Reviewed
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Distributors, Sniper EFI, HyperSpark, HEI Cap, Hall Effect, Billet Housing, Black, Ignition Module, Pontiac, 326-455ci, Each
Part Number: SNE-565-314BK
Not Yet Reviewed
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Distributors, Holley EFI, Dual-Sync, Hall Effect, Computer-controlled, Male/HEI, Black Cap, Steel Gear, Black Housing, Pontiac, 5.3-7.5L, Each
Part Number: HLY-565-207BK
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Wire Harnesses, Sniper 2 EFI, Adapter for Pro-Billet Distributer or 2-Wire Magnetic pickup Trigger, Each
Part Number: HLY-558-330
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coils, Sensors, USB Tune Cable, Chevy, LS, 5.7L, 1x Cam, 24x Crank, Kit
Part Number: HLY-550-929T
Not Yet Reviewed
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Spark Plug Wire Sets, Holley EFI, Assembled, for Coil Packs, Red Wire, 8.00mm Core, Gray Silicone, Plug Boot, 135 Degree, Chevy, Camaro, 6.2L, Set
Part Number: HLY-561-102
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Wire Connectors, Holley EFI, 4-pin CAN Connector, Main Harness Side, Mizu-P25, 4-pin, Male, Black Plastic, Universal, Each
Part Number: HLY-570-229
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Interconnect Cables, Holley EFI, Sealed USB Cable, Data/Communications, 180 in. Long, Single Male Ends, Each
Part Number: HLY-558-438
Not Yet Reviewed
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Data Acquistion Wiring Harnesses, Holley EFI, I/O Adapter and Unterminated Vehicle Harness, for 7 in. Digital Dash, USB Memory Stick Included, Kit
Part Number: HLY-558-433
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
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