holley efi 554-100 ntk wideband oxygen sensor
Replacement Holley EFI Bosch Wide band Oxygen sensor. This sensor is a direct replacement for Holley HP, Dominator, Avenger and Terminator EFI systems. Each Sensor is hand calibrated to insure accurate readings when used in conjunction with your Holley EFI system.
Also compatible with 2nd Gen C950 or Holley EFI. Replaces Part # 534-194