Let Find the Suspension That's Built for You
Answer a few quick questions, and we’ll match you with the suspension setup that fits your ride, style, and performance goals.
$54.95
Upgrade your Harley touring bike with Sumax’s 409 Pro Race Spark Plug Wire Kit — a proven high-performance wire set built to deliver stronger spark energy and long-term reliability. These 10.4 mm wires use extra-high-temperature silicone rated to 600°F, plus a Spiro-Pro core that provides up to 10x the conductivity of carbon-core wires. Precut, pre-terminated, and USA-made, they’re the perfect plug-and-play upgrade for riders chasing smoother throttle response, crisp ignition, and dependable performance on any bagger build.
Includes
• 1 Pair of 10.4 mm Spark Plug Wires
• Preinstalled Plug Boots and Coil Boots
• Precrimped Terminals (Ready to Install)
Fitment
• 2015–2016 FLHTCUL Electra Glide Ultra Classic Low
• 2015–2016 FLHTKL Ultra Limited Low
• 2015–2016 FLTRXS Road Glide Special
• 2015–2016 FLHTK Ultra Limited
• 2015 FLTRX Road Glide
• 2014–2016 FLHXS Street Glide Special
• 2011–2013, 2016 FLTRU Road Glide Ultra
• 2011–2013 FLTRX Road Glide Custom
• 2010–2014 FLHTK Electra Glide Ultra Limited
• 2010–2011 FLHXXX Street Glide Trike
• 2009–2016 FLHTCUTG Tri Glide Ultra
• 2009–2016 FLHR Road King
• 2009–2016 FLHTCU Electra Glide Ultra Classic
• 2009–2016 FLHX Street Glide
• 2009–2013 FLHRC Road King Classic
• 2009–2013 FLHTC Electra Glide Classic
• 2009–2010, 2016 FLTR Road Glide
• 2009 FLHT Electra Glide Standard
Answer a few quick questions, and we’ll match you with the suspension setup that fits your ride, style, and performance goals.