1/8" 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.
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![AutoMeter 3277 FITTING, RESTRICTOR ADAPTER, -4AN MALE TO 1/8\" NPT (M), STEEL, FUEL & NITROUS](https://sdda.semadata.org/Standard/Auto Meter/3277.jpg "AutoMeter 3277 FITTING, RESTRICTOR ADAPTER, -4AN MALE TO 1/8\\" NPT (M), STEEL, FUEL & NITROUS")
![AutoMeter 3277 FITTING, RESTRICTOR ADAPTER, -4AN MALE TO 1/8\" NPT (M), STEEL, FUEL & NITROUS](https://sdda.semadata.org/https://sdda.semadata.org/Standard/Auto Meter/3277.jpg "AutoMeter 3277 FITTING, RESTRICTOR ADAPTER, -4AN MALE TO 1/8\\" NPT (M), STEEL, FUEL & NITROUS")
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