749679 Fits 1983 1985 Xr 1000 Champion Rn7yc Each

For Sportster owners, these Champion spark plugs offer a dependable ignition source that matches the specific heat range requirements of the Evolution engine. Proper spark is key to avoiding fouling and ensuring your bike starts up every time, and these plugs are built to withstand the heat and vibration inherent to a V-twin. While they are a perfect fit for the Sportster line, they are also compatible with Buell, Indian, and Victory motorcycles, as well as S&S and Ultima engines. Whether you are doing a quick oil change or a full top-end service, these plugs provide the reliability you need for long-term riding confidence.