NGK Spark Plug - IMR9C-9HES (5766) Category_Spark Plugs They are custom engineered to

They are custom engineered to fit your specific application and are designed to provide low restriction and increased performance

Exterior Diameter #1: 121 mm

Whites radiators offer exceptional cooling and maximum efficiency to ensure your machine's top performance

500 and 650 Triumph Twins from 1958-1965 fitted with S

spoke angle and spoke nipple may need adjustment to suit this particular application

NGK Spark Plug - IMR9C-9HES (5766) Category_Spark Plugs They are custom engineered toNGK have over 80 years of experience in spark plug manufacturing and are the world leader in spark plug technology. NGK has an extensive range of spark plugs, each with their own unique characteristics specifically engineered to its application and designed to suit a broad range of motorcycles, ATVs & UTVs in Australasia. With NGK's dedication to quality, outstanding reliability and state of the art manufacturing techniques, you can rely on your NGK