Spark Plug Wire – 10.4 mm –  ’99-’08 FL

Upgrade your ignition game with the Sumax 409 Pro Race Spark Plug Wire Kit — built for riders who want cleaner spark, cooler temps, and long-lasting reliability on their touring rigs. These 10.4 mm high-temp silicone wires are rated up to 600°F and use a Spiro-Pro core for up to 10x the conductivity of standard carbon-core wires. Precut, pre-terminated, and proudly made in the USA, they deliver rock-solid spark energy whether you’re cruising cross-country or hammering your bagger around town.

Includes
• 1 pair of 10.4 mm Spark Plug Wires
• Preinstalled plug boots and coil boots
• Precrimped terminals (ready to mount)

Fitment
• 2007–2008 FLHR Road King
• 2007–2008 FLHT Electra Glide Standard
• 2007–2008 FLHTC Electra Glide Classic
• 2007–2008 FLHTCU Electra Glide Ultra Classic
• 2007–2008 FLHX Street Glide
• 2007–2008 FLTR Road Glide
• 2007 FLHRS Road King Custom
• 2006 FLHXI Street Glide
• 2006 XL1200L Sportster 1200 Low
• 2006 1200 Low EFI XLL
• 2005–2006 XL883L Sportster 883 Low
• 2005–2006 XL883R Sportster 883 Roadster
• 2004–2006 XL883 Sportster
• 2004–2006 FLHRSI Road King Custom
• 2004–2006 XL1200R Sportster 1200 Roadster
• 2004–2006 XL1200C Sportster 1200 Custom
• 2004–2006 XL883C Sportster 883 Custom
• 2003–2006 FLHTI Electra Glide Standard
• 2000–2001 FLHRI Road King
• 1999–2006 FLHRCI Road King Classic
• 1999–2006 FLHTCI Electra Glide Classic
• 1999–2006 FLTRI Road Glide
• 1999 Road King EFI FLHR