MG Marposs 13mm GO NO-GO Plug Gauge PI-065 P-0.050 NP+0.050 20 Degree C B40068 PI-065 P-0.050 NP+0.050 20 Degree C B40068. MG Marposs 13mm GO NO-GO Plug Gauge. We are not a giant corporate entity. We will make every attempt possible to resolve the issue if we made a mistake, (It happens). byJuly 4, 2026
