AutoMeter Fitting Adapter Metric M12X1.5 Male To 1/8" nptf Female Brass

1/8" NPT Female to M12x1.5 Male for electric temperature or pressure Commonly used for electric temperature gauge installation in GM LS engine cylinder heads. If using with a Short Sweep Electric Temperature gauge, sender #2259 is also required.
Legal only for use in competition vehicles which may never be registered, licensed, and/or used on public streets or highways; and also for use in other exempted vehicles.