Holley EFI 554-100 Oxygen Sensor

Replacement NTK Wideband Oxygen Sensor for C950 or Holley EFI.; Replacement Holley EFI NTK 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;

Direct replacement for Holley HP, Dominator, Avenger and Terminator EFI systems Hand calibrated for precise and accurate air to fuel ratio measurements Plug and Play with no harness splicing necessary Weatherproof connector keeps out debris and moisture