Introducing the ultimate evolution in spark plug technology and performance. Superior to Platinum, NGK Iridium spark plugs benefit from their unique patented design which feature: A super fine centre electrode (0.6mm), reducing voltage requirements, minimizing flame quenching and allowing for a stronger spark
Fits: Harley Davidson FLHR 1340 ROAD KING 1995 1997-1998 FLSTC SOFTAIL HERITAGE CLASSIC 1991-1995 FLSTS HERITAGE SPRINGER 1998-1999 FLTC 1340 TOUR GLIDE CLASSIC 1990 FXD DYNA SUPER GLIDE 1993-2002 FXDL DYNA LOWRIDER 1993-1998 FXDS 1340 DYNA CONVERTABLE 1996-1998 FXLR DYNA LOWRIDER CUSTOM 1993-1994 FXR DYNA SUPER GLIDE 1991-1992 FXRS 1340 LOW GLIDE 1987-1993 FXRS 1340 LOW RIDER SPORT 1987-1993 FXRS DYNA LOWRIDER CONVERTIBLE 1990-1994 FXRT 1340 SPORT GLIDE 1984-1990 FXSTS SOFTAIL SPRINGER 1988-1999