NGK B6S Tændrør

Spark plug for Evinrude/Johnson, Mercury, Sears, and Wizard outboard engines and Crusader, OMC, Universal, and Volvo Penta inboard engines. Thread diameter - 14 mm, Thread length - 9,5 mm, Gap size - preset, Spark position - 1 mm, Spanner size - 20,8 mm, 1 - Earthed Electrode, Nickel Middle Electrode, no interference suppression.