Feature●1/8 inch NPT male to -4AN male●For use on nitrous and fuel pressure applications where it is desirable to restrict pressure spikes●Excessive fluctuations in order to stabilize or dampen pointer movement for easier readability●Designed to simplify gauge installations for such things as fuel pressure, brake pressure, and nitrous pressure●Makes installation quick and easyDescription 1/8in. NPT M to -4AN M. For use on Nitrous and Fuel pressure applications where it is desirable to restrict pressure spikes and excessive fluctuations in order to stabilize or dampen pointer movement for easier readability.