| Brand | Holley EFI |
|---|---|
| Manufacturer Part Number | 554-100 |
| Country of Origin | United States |
| Performance Part | Yes |
| Manufacturer Warranty | Yes |
| UPC | 090127666685 |
Check the listing for details. Holley EFI 554-100 Wideband Oxygen Sensor. Condition: New, Made in United States. Listed at 376.13 USD. Wideband Oxygen Sensor; NTK Wideband; For Holley EFI Systems;. Holley is quickly becoming The New Standard In EFI! Racers like Tom Bailey who set three new records and took the overall event win on the 2013 Hot Rod Magazine Drag Week and John Scali who used it to win the 2013 JEGS All Star race.