NGK Spark Plug Set to suit Audi A4 and Audi Q5 and Volkswagen Golf 2.0L Turbo Petrol models built from 2017 to 2022, supplied ready to fit with no modification required. Ribbed insulator construction prevents flashover to the coil boot. Factory gap is set at 0.7mm and heat range 6 matches the original equipment specification. Service life of up to 120,000km is typical in normal conditions. We recommend fitting by a qualified technician and following the manufacturer's torque specifications. Every unit is supplied new with a 12 Months warranty against manufacturing defect.