NGK Standard spark plugs (in the iconic NGK 'yellow box' packaging) are a proven OE cornerstone and technology customers have relied on for decades. Engineered specifically for OE applications, NGK Standard spark plugs provide OE quality nickel alloy reliable performance and design. NGK's legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance, while triple gasket sealing prevents combustion gas leakage. Solid 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges. Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties.. NGK Standard spark plugs are proven technology that offer reliable performance. Actual OE or equivalent replacement spark plug. NGK Standard plugs are treated with corrosion-resistant plating to ensure ease of installation and removal.. AUDI A4 2006-97; BMW 2005-92; CADILLAC 2004-03; LAND ROVER 2005-03; MINI 2008-02; PORSCHE 2006-01; ROLLS ROYCE 2005-99; VW 2005-98. TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal. NGK Nickel Spark Plug Box of 4 (BKR6EKUB). NGK Standard Spark Plug. Standard Spark Plug. Spark Plug

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov