【Product Details】 Nissan Fairlady Z Z33 Genuine Left and Right 2 Bank O2 Sensors, Removed from a Running Vehicle, Left and Right Set Used with a nismo catalytic converter. Functioned without any issues until removal and operated normally. 【Remarks】 Items are being sold due to the vehicle being sold. Perfect for inspection or as a spare. As seen in the images, there is no burning or discoloration, making them reliable genuine parts. Please consider this item if you understand that it is a used product.