Spark Plugs are a critical engine component that provides the spark that ignites the air-fuel mixture that drives an engine. NGK Spark Plugs feature a trivalent plating, a silver-or-chrome colored finish on the threads is designed to provide corrosion resistance against moisture and chemicals. NGK Spark Plugs are designed to meet or exceed OE standards- this means that all NGK spark plugs will meet the specifications set by the manufacturer of your vehicle.Part number: B6S • Sold individually (price is per single spark plug).Vehicle Fitment Make Model Year / Engine Qty per vehicle CHEVROLET IMPALA 1965 - 1968 Petrol Engine 5.4 Sedan 205KW 8 CHEVROLET IMPALA 1968 - 1969 Petrol Engine 5.4 Sedan 175KW 8 VAUXHALL CRESTA 1962 - 1965 Petrol Engine 2.7 PB Sedan 84KW 6 If you are unsure about fitment, or wish to confirm, feel free to contact staff on 02 9188 8055 with your vehicle details or rego plate.