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Holley EFI CAN Input/Output Modules Kits 554-165

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 )

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Holley Terminator X 3.5 in. Handheld Controllers 553-201

Fuel Injection System Components, Terminator X, Upgrade, 3.5 in. Touch Screen, Handheld Controller, Mounting Sleeve, Power Cord, Wire Harness, Each

Part Number: HLY-553-201

3.0 out of 5 stars ( 2 )

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Holley 3.5 in. LCD Touch Screen Upgrades 553-108

Fuel Injection System Components, Holley EFI, 3.5 in. LCD Touch Screen, Upgrade, Basic Tuning, Data Monitor, Black Case, Mount, Wire Harness, Kit

Part Number: HLY-553-108

4.22 out of 5 stars ( 9 )

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Holley Sniper 2 EFI 3.5 in. LCD Touch Screen Controllers 553-202

Controllers, Sniper 2 EFI, 3.5 in. LCD, Touch Screen, for Sniper 2 EFI Systems, Tuning Options, Basic and Advanced, Mount, Harness, SD Card, Each

Part Number: SNE-553-202

5.0 out of 5 stars ( 1 )

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Holley Sniper 3.5 in. LCD Touch Screen Controller 553-115

Controller, Sniper, 3.5 in. LCD, Touch Screen, for Sniper EFI Systems, Tuning Options, Basic and Advanced, Mount, Harness, SD Card, Each

Part Number: SNE-553-115

4.09 out of 5 stars ( 11 )

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Holley EFI CAN Input/Output Modules Kits 554-166

Fuel Injection System Components, Holley EFI, Module Only, CAN Input/Output, for Holley EFI Systems, HP, Dominator, Terminator X, Kit

Part Number: HLY-554-166

Not Yet Reviewed

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FAST EZ-EFI Retro-Fit Color Touchscreens 170633-06KIT

Touch Screen Upgrade, 3.5 in. LCD, Fast EZ-EFI, Each

Part Number: FST-170633-06KIT

5.0 out of 5 stars ( 8 )

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MSD Atomic EFI TBI Handheld Monitors 2912

Calibration Module, Atomic EFI TBI Handheld Monitor, Each

Part Number: MSD-2912

4.67 out of 5 stars ( 3 )

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Holley Drive-By-Wire Dual Throttle Body Harnesses 558-450

Fuel Injection System Components, Holley EFI, Hemi, Dual Throttle Body, Drive-By-Wire Harness, for Dominator EFI, Chrysler, Dodge, Ram, 5.7-6.4L, Each

Part Number: HLY-558-450

Not Yet Reviewed

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MSD Atomic TBI ECUs 2907

Fuel Injection System Components, Atomic TBI ECU, Later Version Using EV1 Injector Connector, Each

Part Number: MSD-2907

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Holley Ford Coyote TI-VCT Sub Harnesses 558-125

Fuel Injection System Components, Holley EFI, Coyote Ti-VCT, Sub-Harness, for Stock Camshafts, with Holley HP, Dominator EFI, Ford, 5.0L, Coyote, Each

Part Number: HLY-558-125

Not Yet Reviewed

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Holley Ford Coyote TI-VCT Sub Harnesses 558-124

Fuel Injection System Components, Holley EFI, Coyote Ti-VCT, Sub-Harness, for Stock Camshafts, with Holley HP, Dominator EFI, Ford, 5.0L, Coyote, Each

Part Number: HLY-558-124

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today