5/8"-18 UNF Female (adapts directly to sealing nut on AutoMeter Mechanical Temp Gauges) to 1/2-1/16" NPT Male Constructed from solid brass ACCESSORIES

Autometer 1in NPT to 12 AN Blue Aluminum Adapter

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...

1/8" NPT Female to M16x1.5 Male Commonly used for oil pressure sensor / line installation on GM LS engines when connecting to the port on the top of the block behind the intake manifold Constructed...