This oxygen sensor extension kit prevents cutting your factory harness, and safely extends your oxygen sensor wires during relocation of your O2 sensors due to installation of aftermarket exhaust components on your HEMI car or Jeep. This kit can be used on any brand of long tube headers, not just Kooks Custom Headers.
O2 Extension Kit Chrysler 5.7/6.1/6.4 HEMI 2 - 6" Front Extension Harness (4-pin) and 2 - 18" Rear Extension Harness (4-pin). Oxygen Sensor Extension harnesses are included in Header kits where needed. This part number should only be ordered as a replacement for damaged or lost Oxygen Sensor Extensions.
