8 X SPARK PLUGS NGK Specification Details Spanner Size 16 mm Thread Size M14 x 1.25 Thread Length 26.5 mm Spark Plug Ring type connector (cup-shaped), Iridium Middle Electrode, 1 - Earthed Electrode, Interference Suppression, with gasket seat Rated Resistance 1.4 Ohm Spark Position 3.5 mm Electrode Gap 0.7 mm FITS AUDI RS6 RS7 S6 S7 C7 / S8 D4 4.0T.
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