AutoMeter Straight Restrictor Gauge Fitting -4 AN Male to 1/8 in NPT Male - Brass - Mechanical Fuel/Nitrous Pressure Gauges RS00400315 End has a body width

End has a body width of

mounting directly to the intake manifold or supercharger (screw type only)

2 in Drop Spindle

They also offer a number of specialty tools

Aluminum drain pan is handy when changing quick change gears

AutoMeter Straight Restrictor Gauge Fitting -4 AN Male to 1/8 in NPT Male - Brass - Mechanical Fuel/Nitrous Pressure Gauges RS00400315 End has a body width1 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. ` 4AN male to 1 8" NPT male 4 AN Male To 1 8 IN. Npt Male Manufactured From High Quality BrassAuto Meter Gauges are the number one choice of professional racers worldwide. Auto Meter, the most respected manufacturer of high quality,