This Sniper-branded nitrous pressure gauge features easy-to-read color graduations and a white pointer, with an included in-line AN adapter for simple installation.
Specifications:
- Gauge Type: Nitrous Pressure
- Diameter: 1-1/2 inch
- Max Pressure: 1500 PSI
- Glycerin Filled: No (dry gauge)
- Construction: Stainless/Chrome Case, Brass Internals
- Gauge Background: Black, Silver Bezel
- Adapter: 6AN, Included
- Inlet: 1/8 NPT
- Part Number: 15954NOS
Compliance: This part is legal for sale and use on Racing Use Only Vehicles — competition vehicles that are not registered and never operated on the street. It is against the law to install this part on an Emissions Controlled Vehicle (1966-and-newer California-certified or 1968-and-newer federally certified vehicles).
FAQ
Is the 15954NOS gauge liquid filled?
No, this is a dry gauge with a stainless/chrome case and brass internals, not glycerin filled.
What pressure range does this gauge read?
It reads 0-1500 PSI, suited for nitrous oxide pressure monitoring.
Does it include the AN adapter?
Yes, it includes a 6AN in-line gauge adapter.
Is this part legal for street use?
No. It's legal for Racing Use Only vehicles — competition vehicles that are not registered and never operated on the street. Installing it on an emissions-controlled street vehicle is against the law.

