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Vehicle Info NeededHOLLEYPART NUMBER: 510-554-100
554-100 NTK Wideband O2 Sensor For Holley EFI Systems
$38295
Ships on Oct 26, 2026
Lowest Price GuaranteeCurrently Unavailable
This product is currently not available. Please call customer service for assistance at 1-800-345-4545.
Sensors & Accessories
- NTK Wideband O2 Sensor
- For Holley EFI Systems
- Compatible with 2nd Gen C950
Holley 554-100 NTK Wideband O2 Sensor For Holley EFI Systems Features:
- Each sensor is calibrated by hand to insure accurate readings when used with your holley EFI system
- Direct replacement for Holley HP, Dominator, Avenger, & Terminator EFI systems
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
Factory-Replacement Fuel Injection Components
Holley offers a variety of high-quality service parts to help you properly maintain the performance of your Engine Management System.
Part TypeOxygen Sensor
Product LineHolley Fuel Injection Systems Replacement Parts
BrandHOLLEY
Package Height2.9
Package Width5.4
Package Length5.4
Weight0.4 PG
Part CategoryPerformance Parts
Wiring Harness IncludedYes
Mounting StyleThread-in
TypeScrew-In
Oxygen Sensor Bung IncludedNo
Wire NumberOEM
QuantitySold individually
Voltage Range0-1 V
Wiring Harness Plug Style8 rectangle male
Number Of Wires2
Vendor Part Number554-100
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
