BSPT Pipe Plug 1/4" or 1/2" Engine Block Cylinder Head Intake

New 1/4" or 1/2" BSPT pipe plug.  Nissan used BSPT instead of NPT pipe threads on 1960's-1980's cars and trucks.  Plugs are used throughout the engine.  BSPT is a slightly different thread than NPT.  Nickel plated brass construction.   Choose size and head style.

1/4" BSPT Thread O.D.= 13mm

1/2" BSPT Thread O.D.= 20.5mm

*See PT# 800-1177 for 1" BSPT plug.