Vibrant Threaded Hex Bolt capping Oxygen Sens Bung Mild Steel M18x1.5 thread Bulk Pack of 100 pcs. VQ25DET Absolute zero is the pressure

Absolute zero is the pressure measurement when all the pressure exerted by the atmosphere has been removed

this is a viable aftermarket solution

Genuine Nissan RB26 / 25 / 20  Rear Main Plate Bolt Set Kit

capable of withstanding higher pressures and temperatures than standard silicone vacuum hoses

This is the R34 GTR Version

Vibrant Threaded Hex Bolt capping Oxygen Sens Bung Mild Steel M18x1.5 thread Bulk Pack of 100 pcs. VQ25DET Absolute zero is the pressureVibrant Performance Hex Head Oxygen Sensor Bung Plugs are made of Zinc plated Mild Steel to ensure lack of thread damage during hot and cold heat cycles during installation.