NTK Lambda / Oxygen Sensor (OTD2F-1P) to suit Nissan 180SX RPS13 (Red Top Only) & Silvia PS13 & Skyline R32 GTR - RB26DETT & SR20DET Red Top.
*This sensor is a direct replacement for the R32 GTR rear sensor; with the reuse of the original electrical connector it's possible to use with the front also.