Fits 2006 Harley Davidson FXDI35 Dyna 35th Anniversary Super Glide Spark Plug,br>
Superior construction for serious power, Suitable for various applications and riding styles, Wide operating heat range to prevent fouling and preignition

Superior construction for serious power. RAD Powersports makes plugs for almost any type of application and riding style. Versatile plugs with wide operating heat ranges prevent fouling from running too cool and preignition from running too hot.