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Holley EFI O2 Sensors 554-101

Holley 554-101 - Holley EFI O2 Sensors

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Oxygen Sensor, Holley EFI, Bosch LSU4 Wideband, Each

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Brand: Holley

Manufacturer's Part Number: 554-101

Part Type: Oxygen Sensors

Product Line: Holley EFI O2 Sensors

Summit Racing Part Number: HLY-554-101

UPC: 090127666692

Number of Wires: 8

Mounting Style: Thread-in

Oxygen Sensor Bung Included: No

Wiring Harness Included: Yes

Wiring Harness Plug Style: 8 rectangle male

Quantity: Sold individually.

Notes: LSU4 Bosch wideband sensor.

In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

Holley EFI O2 sensors precisely manage air fuel ratios to keep your engine performing at its peak. Available in Bosch LSU4 and NTK wideband configurations, Holley EFI has the correct sensor for your high performance EFI application.


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Some parts are not legal for sale or use in California on any pollution-controlled motor vehicles

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