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...

1/8" NPT Female to M10x1.0 Male Constructed from solid brass ACCESSORIES

1/8" NPT Female to M12x1.75 Male electric temperature or pressure If using with a Short Sweep Electric Temperature gauge, sender #2259 is also required. Constructed from solid brass ACCESSORIES

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...