Custom-Fit Spark Plug Wire Kit — 8 mm, 21 in, Red

SUMAX Custom-Fit Spark Plug Wire Kit — 8 mm, 21 in, Red – 99-08 Touring, 00-08 CVO, 04-06 Sportster

SUMAX
2104-0071
S20234

Precut designer plug wire set with preinstalled boots and terminals, high-temperature silicone construction, and Spiro-Pro core for superior conductivity and longevity.

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Designer plug wire sets deliver highly visible styling and race-inspired performance. ✨ These precut kits come with plug and coil boots plus terminals already installed for fast, accurate installation.

  • Boots and wires are molded from extra-high-temperature silicone for protection up to 600°F. 🔥
  • Spiro-Pro core offers up to ten times the conductivity of standard carbon-core wire for stronger spark transfer.
  • Low resistance design runs cooler and lasts three to four times longer than carbon-core alternatives.
  • Engineered for electronic ignitions but fully compatible with point-type systems.
  • Made in the USA. 🇺🇸

Whether you’re doing a restoration or upgrading for performance and reliability, these plug wires make installation simple and deliver durable, long-lasting results. ⚙️

: 2104-0071
In Stock

Data sheet

Type
Spark Plug
Units
Pair
Color/Finish
Red
Brand
SUMAX
Wire Diameter
8 mm
Connector Angle
-
Wire Length
53,5 cm (21")
Harley Family
CVO
Sportster
Touring

This product fits the following vehicles. Use the filters below to narrow down the list if needed.

Manufacturer Model Family Year Notes
Harley Davidson Road King Touring 2007
Harley Davidson Road King Touring 2008
Harley Davidson Road King Touring 2008
Harley Davidson Road King Classic Touring 2007
Harley Davidson Road King Classic Touring 2008
Harley Davidson Road King Classic Touring 2008
Harley Davidson Road King Classic Touring 1999
Harley Davidson Road King Classic Touring 2000
Harley Davidson Road King Classic Touring 2001
Harley Davidson Road King Classic Touring 2002
Harley Davidson Road King Classic Touring 2003
Harley Davidson Road King Classic Touring 2004
Harley Davidson Road King Classic Touring 2005
Harley Davidson Road King Classic Touring 2006
Harley Davidson Road King Touring 1999
Harley Davidson Road King Touring 2000
Harley Davidson Road King Touring 2001
Harley Davidson Road King Touring 2002
Harley Davidson Road King Touring 2003
Harley Davidson Road King Touring 2004
Harley Davidson Road King Touring 2005
Harley Davidson Road King Touring 2006
Harley Davidson Road King Custom Touring 2007
Harley Davidson Road King Screamin Eagle CVO 2007
Harley Davidson Road King Screamin Eagle CVO 2008
Harley Davidson Road King Screamin Eagle CVO 2002
Harley Davidson Road King Screamin Eagle CVO 2003
Harley Davidson Road King Custom Touring 2004
Harley Davidson Road King Custom Touring 2005
Harley Davidson Road King Custom Touring 2006
Harley Davidson Electra Glide Touring 2007
Harley Davidson Electra Glide Touring 2008
Harley Davidson Electra Glide Touring 2008
Harley Davidson Electra Glide Classic Touring 2007
Harley Davidson Electra Glide Classic Touring 2008
Harley Davidson Electra Glide Classic Touring 1999
Harley Davidson Electra Glide Classic Touring 2000
Harley Davidson Electra Glide Classic Touring 2003
Harley Davidson Electra Glide Classic Touring 2004
Harley Davidson Electra Glide Classic Touring 2005
Harley Davidson Electra Glide Classic Touring 2006
Harley Davidson Electra Glide Screamin Eagle CVO 2004
Harley Davidson Electra Glide Screamin Eagle CVO 2005
Harley Davidson Electra Glide Ultra Classic Touring 2007
Harley Davidson Electra Glide Ultra Classic Touring 2008
Harley Davidson Electra Glide Ultra Classic Touring 1999
Harley Davidson Electra Glide Ultra Classic Touring 2000
Harley Davidson Electra Glide Ultra Classic Touring 2001
Harley Davidson Electra Glide Ultra Classic Touring 2002
Harley Davidson Electra Glide Ultra Classic Touring 2003
Harley Davidson Electra Glide Ultra Classic Touring 2004
Harley Davidson Electra Glide Ultra Classic Touring 2005
Harley Davidson Electra Glide Ultra Classic Touring 2006
Harley Davidson Electra Glide Ultra Classic Screamin Eagle CVO 2006
Harley Davidson Electra Glide Ultra Classic Screamin Eagle CVO 2007
Harley Davidson Electra Glide Ultra Classic Screamin Eagle CVO 2008
Harley Davidson Electra Glide Touring 2004
Harley Davidson Electra Glide Touring 2005
Harley Davidson Electra Glide Touring 2006
Harley Davidson Street Glide Touring 2007
Harley Davidson Street Glide Touring 2008
Harley Davidson Street Glide Touring 2008
Harley Davidson Street Glide Touring 2006
Harley Davidson Road Glide Touring 2007
Harley Davidson Road Glide Touring 2008
Harley Davidson Road Glide Touring 1999
Harley Davidson Road Glide Touring 2000
Harley Davidson Road Glide Touring 2001
Harley Davidson Road Glide Touring 2002
Harley Davidson Road Glide Touring 2003
Harley Davidson Road Glide Touring 2004
Harley Davidson Road Glide Touring 2005
Harley Davidson Road Glide Touring 2006
Harley Davidson Road Glide Screamin Eagle CVO 2000
Harley Davidson Road Glide Screamin Eagle CVO 2001
Harley Davidson Sportster Custom Sportster 2004
Harley Davidson Sportster Custom Sportster 2005
Harley Davidson Sportster Custom Sportster 2006
Harley Davidson Roadster Sportster 2004
Harley Davidson Roadster Sportster 2005
Harley Davidson Roadster Sportster 2006
Harley Davidson Sportster Sportster 2005
Harley Davidson Sportster Sportster 2006
Harley Davidson Sportster Custom Sportster 2004
Harley Davidson Sportster Custom Sportster 2005
Harley Davidson Sportster Custom Sportster 2006
Harley Davidson Low Sportster 2005
Harley Davidson Low Sportster 2006
Harley Davidson Roadster Sportster 2004
Harley Davidson Roadster Sportster 2006