Spark Plugs Set 4x 6777 NGK 31912MBWE11 31912MBWE111M1 31912MBWE112M1 IMR9C9H
Spark Plugs Set 4x 6777 NGK. Part Number 6777. Spark Plug interference Suppression 5 kOhm, with gasket seat, Connector Type M4, Iridium Middle Electrode, 1 - Earthed Electrode. Spark Position 2.15 mm.