These are OEM original 3000PSI disc and plug one piece safeties that are produced for the current generation NOS Nitrous Oxide Systems HiFlo valves. These are racer safeties with 8AN threads for connection of vent tubes. 

New, never used, never installed, out of box.

These will replace standard safeties, and pipe away safeties. 

This buy it now is for one safety device.

Make offer for multiple units!

$24.95