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RS MK2 Spark Plugs | Direct replacement for RSMK2 and ST225 Plugs.
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Spark plug recommendation? : r/FocusST
RS MK2 Spark Plugs | Direct replacement for RSMK2 and ST225 Plugs.
Ford Focus RS Mk2 Genuine Bosch Spark Plug Set (5 Plugs)
