Sumax Thundervolt Blue Spark Plug Wires 69631

More horsepower, more miles per gallon. All plug wires fire intermittently causing plugs to carbon up except for Thundervolts. As your bikes idles, the plugs are being cleaned. Ferrite spiral wound core with a blend of copper/nickel alloy is bonded by a conductive acrylic cover. Pro boots feature vibration proof double spring locking spark plug terminals.This item fits the following models: 1965-1969 Harley Davidson FLFB1970-1985 Harley Davidson FLH Electra Glide1965-1969 Harley Davidson FLHB1979-1981 Harley Davidson FLHC Electra Glide Classic1970-1972 Harley Davidson FLHF1965-1969 Harley Davidson FLHFB1980-1981 Harley Davidson FLHS Electra Glide Sport1984 Harley Davidson FLHS Electra Glide Sport1984-1985 Harley Davidson FLHX Electra Glide Special1986-1990 Harley Davidson FLST Heritage Softail1988-1999 Harley Davidson FLSTC Heritage Softail Classic1990-1999 Harley Davidson FLSTF Fat Boy1993 Harley Davidson FLSTN Heritage Softail Nostalgia1994-1996 Harley Davidson FLSTN Heritage Softail Special1997-1999 Harley Davidson FLSTS Heritage Springer1971-1978 Harley Davidson FX Super Glide1980-1982 Harley Davidson FXB Sturgis1995-1998 Harley Davidson FXD Dyna Super Glide1992 Harley Davidson FXDB-D Dyna Glide Daytona1991 Harley Davidson FXDB-S Dyna Glide Sturgis1992 Harley Davidson FXDC Super Glide Custom1983 Harley Davidson FXDG Disc Glide1993-1998 Harley Davidson FXDL Dyna Low Rider1994-1998 Harley Davidson FXDS-Conv Dyna Convertible1993-1998 Harley Davidson FXDWG Dyna Wide Glide1974-1984 Harley Davidson FXE Super Glide1979-1981 Harley Davidson FXEF Fat Bob1985 Harley Davidson FXEF Fat Bob1977-1982 Harley Davidson FXS Low Rider1983-1985 Harley Davidson FXSB Low Rider - Belt1984-1990 Harley Davidson FXST Softail Standard1999 Harley Davidson FXST Softail Standard1999 Harley Davidson FXSTB Night Train1986-1990 Harley Davidson FXSTC Softail Custom