NGK is the world's leading manufacturer of spark plugs.
State-of-the-art production facilities, large investments in research and development, as well as a strong commitment to racing, from Formula 1 to two-wheeled motorsports, make the NGK spark plug so successful.
APPLICATIONS OF THIS PRODUCT: According to the data provided by the manufacturer, this article is compatible with the following brands, models and years: Harley Davidson XLCH 1000 Sportster 57 CV, 42 kw 2cil. - Bastidores: --- 1972-1978 Harley Davidson XLCR 1000 Cafe Racer 57 CV, 42 kw 2cil. - Bastidores: --- 1977-1978 Harley Davidson XLH 1000 Sportster 57 CV, 42 kw 2cil. - Bastidores: --- 1972-1978