Automotive Ignition & Electrical Supplies

Engine Management Systems, Terminator X, Multi-Port, 8-EV1 Injectors, 8-Coils, Analog Input, Sensors, Tuner Controls, Plug-and-Play, Universal, Kit

Part Number: HLY-550-936

3.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Engine Management Systems, Terminator X, Up to 8-Injectors, 8-Coils, Analog input, CANBUS, Sensors, Controller, Chevy, 5.7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-909

4.56 out of 5 stars ( 9 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coils, Sensors, Trans and Tuner Controller, Chevy, LS, 5.7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-916

4.64 out of 5 stars ( 11 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Analog, Trans and Tuner Controls, Chevy, LS, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-934

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Relay, Solid State, 40 Amps, 5-20 V, Single Pole, Female Connector Terminal Type, 24 in. Pigtail, Nitrous Usage, Each

Part Number: NOS-15620NOS

5.0 out of 5 stars ( 14 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coil, Sensors, Trans and Tuner Controller, Chevy, LS, 4.8-6.2L, 4x Cam, 58x Crank, Kit

Part Number: HLY-550-928-6

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Spark Plug, Racing, Gasket Seat, 14mm Thread, .750 in. Reach, Non-Resistor, Each

Part Number: NGK-6596

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Ignition Coil, Flame-Thrower II, Canister, Round, Oil Filled, Black, 45,000 V, Each

Part Number: PNX-45011

4.82 out of 5 stars ( 176 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Distributor, Pro-Billet Ready-to-Run, Magnetic Pickup, Vacuum Advance, Ford, 289-302, Each

Part Number: MSD-8352

4.18 out of 5 stars ( 22 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Analog, Sensors, Tuner Controls, Chevy, LS, 4.8-6,2L, 4x Cam, 58x Crank, Kit

Part Number: HLY-550-931

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Ignition Box, Sniper EFI, HyperSpark, CD Ignition Box, Capacitive Discharge, Digital, Black Case, 7.89 in. Long, 4.00 in. Wide, 2.04 in.Tall, Each

Part Number: SNE-556-151

4.45 out of 5 stars ( 53 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Spark Plug Wires, Spiral Wound, 9mm, Black, 135 Degree Boots, Ford, Lincoln, Mercury, 5.0/5.8L, V8, Set

Part Number: FMS-M-12259-M301

4.69 out of 5 stars ( 131 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Electrical Trinary Switch, Replacement, Refrigerant Pressure, Male Thread, Each

Part Number: VTA-11086-VUS

4.81 out of 5 stars ( 32 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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-550-927

3.88 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Engine Management Systems, Terminator X, Multi-Port, 8-EV1 Injectors, 8-Coils, Analog Input, Sensors, Tuner, Universal MPFI Main Harness, Kit

Part Number: HLY-550-937

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Engine Management Systems, Terminator X, Up to 8-Injectors, 8-Coils, Analog input, CANBUS, Sensors, Controller, Chevy, 5.7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-903

4.71 out of 5 stars ( 34 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Distributor, Pro-Billet Street, Magnetic Pickup, Vacuum Advance, Chevy, Big/Small Block, Each

Part Number: MSD-8361

4.78 out of 5 stars ( 49 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Battery, 12 V, Deep Cycle/Starting, 1,150 Cranking Amps at 32 Degrees F, 10.24 in. Length, 7.20 in. Width, 6.75 in. Height

Part Number: XSP-D3400R

4.77 out of 5 stars ( 13 )

Cannot be shipped Internationally if shipped by air

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Distributor, Pro-Billet Ready-to-Run, Magnetic Pickup, Vacuum Advance, Chrysler, 273, 318, 340, 360, Each

Part Number: MSD-8388

4.8 out of 5 stars ( 20 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Spark Plug Wires, 9mm, Blue, Spiral-Wound, 135 Degree Boots, Ford, Lincoln, Mercury, Small Block, Set

Part Number: FMS-M-12259-C301

4.65 out of 5 stars ( 194 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Battery, 12 V, AGM, 1,150 Cranking Amps at 32 Degrees F, Top Post, 10.28 in. Length, 6.75 in. Width, 7.24 in. Height

Part Number: XSP-S3400

5.0 out of 5 stars ( 6 )

Cannot be shipped Internationally if shipped by air

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Battery, 12 V, AGM, 740 Cranking Amps at 32 Degrees F, Top Post, 7.79 in. Length, 6.54 in. Width, 6.69 in. Height, Each

Part Number: XSP-D1200

4.61 out of 5 stars ( 18 )

Cannot be shipped Internationally if shipped by air

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Fuel Injection System Components, Holley EFI, CAN Input/Output Module, Pre-Terminated Wiring, for EFI Systems, HP, Dominator, Terminator X, Kit

Part Number: HLY-554-165

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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HEI Distributor Upgrade Kit, Coil, Cap, Rotor, Module, Chevy, Cadillac, Red, Kit

Part Number: SUM-850030

4.65 out of 5 stars ( 104 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Spark Plug, Racing, Gasket Seat, 14mm Thread, .750 in. Reach, Projected Tip, Non-Resistor, Each

Part Number: NGK-7173

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air