Recessed Plug - 1/4" NPT

This alan head/ hex drive countersunk plug is a brass pipe fitting with 1/4" male NPT threads. The countersunk plug with a hex drive inserts into a pipe or fitting to close and terminate its end and has a recessed hex head for increased bearing load. This plug is used to close off the EGT ports in your Stainless Diesel exhaust manifold when the EGT ports are not being utilized.