RS Spark Plug Set Bosch Genuine BoschFocus RS mk2 Spark Plugs - set of 5OEM fitment on RS models Used as upgrade for XR5 Turbo Focus & Mondeo models (can be used on stock vehicles)Spark plug change is due every 60,000 km on stock vehicles AU Express Post OEM Part MSRP: Was: Now: $102.36 Add to Cart