This NGK Laser Iridium Spark Plug (7901) features a platinum electrode. It is a genuine UK stock item from NGK, a brand leader in the spark plug market. This product is designed for optimal performance and reliability. Always check compatibility with your vehicle before purchase. We offer expert advice and a 60-day returns policy. Technical Data: Brand: NGK, Quantity: 1 Unit, Thread Size: M12 x 1,25, Spanner Size: 18 mm, Thread Length: 19.0 mm, Spark Position: 3.0 mm, Spark Plug Connector Type: M4, Iridium Middle Electrode, 1 - Earthed Electrode, interference Suppression 5 kOhm, with gasket seat. Compatible with HONDA OEM references: 980695791U, 980695792U, 98695798B, H98695798B.