8mm Spark Plug Wire Set – Custom Fit for Harley-Davidson Sportster (1995–2020+)
Designed for Harley-Davidson riders who want both reliability and aesthetic appeal, the 8mm Spark Plug Wire Set delivers vintage-inspired style with modern high-performance insulation. Whether you're into the timeless look of cloth-wrapped wires, the durability of solid-colored silicone, or the standout transparency of our PVC options—this set has something for every build.
Each wire set is proudly made in the USA and crafted to work seamlessly with our coil relocation kits. With 90° degree coil boots and high-tension terminals, you're guaranteed a snug, efficient connection. Available in 19 bold and unique colorways, this upgrade is as visual as it is functional—ideal for custom builds and performance maintenance alike.
Specifications:
Wire Type Options:
Multi-Colored Cloth with Silicone Core (vintage look, modern durability)
Solid Color Silicone (durable and fully sealed)
Translucent PVC (rubber-like clarity, unique visuals)
Cable Width: 8mm
Boot Style: 90° coil boots, spark plug boots
Core: Suppression/inductive core
Terminals: High-tension, corrosion-resistant
Color Options: 19+ variations (including red, clear, grey, vintage stripe, etc.)
Compatibility: Made for 1995–2020+ Harley-Davidson Sportster models
Made in: USA
Shipping: Worldwide available
Designed for Harley-Davidson riders who want both reliability and aesthetic appeal, the 8mm Spark Plug Wire Set delivers vintage-inspired style with modern high-performance insulation. Whether you're into the timeless look of cloth-wrapped wires, the durability of solid-colored silicone, or the standout transparency of our PVC options—this set has something for every build.
Each wire set is proudly made in the USA and crafted to work seamlessly with our coil relocation kits. With 90° degree coil boots and high-tension terminals, you're guaranteed a snug, efficient connection. Available in 19 bold and unique colorways, this upgrade is as visual as it is functional—ideal for custom builds and performance maintenance alike.
Specifications:
Wire Type Options:
Multi-Colored Cloth with Silicone Core (vintage look, modern durability)
Solid Color Silicone (durable and fully sealed)
Translucent PVC (rubber-like clarity, unique visuals)
Cable Width: 8mm
Boot Style: 90° coil boots, spark plug boots
Core: Suppression/inductive core
Terminals: High-tension, corrosion-resistant
Color Options: 19+ variations (including red, clear, grey, vintage stripe, etc.)
Compatibility: Made for 1995–2020+ Harley-Davidson Sportster models
Made in: USA
Shipping: Worldwide available
Designed for Harley-Davidson riders who want both reliability and aesthetic appeal, the 8mm Spark Plug Wire Set delivers vintage-inspired style with modern high-performance insulation. Whether you're into the timeless look of cloth-wrapped wires, the durability of solid-colored silicone, or the standout transparency of our PVC options—this set has something for every build.
Each wire set is proudly made in the USA and crafted to work seamlessly with our coil relocation kits. With 90° degree coil boots and high-tension terminals, you're guaranteed a snug, efficient connection. Available in 19 bold and unique colorways, this upgrade is as visual as it is functional—ideal for custom builds and performance maintenance alike.
Specifications:
Wire Type Options:
Multi-Colored Cloth with Silicone Core (vintage look, modern durability)
Solid Color Silicone (durable and fully sealed)
Translucent PVC (rubber-like clarity, unique visuals)
Cable Width: 8mm
Boot Style: 90° coil boots, spark plug boots
Core: Suppression/inductive core
Terminals: High-tension, corrosion-resistant
Color Options: 19+ variations (including red, clear, grey, vintage stripe, etc.)
Compatibility: Made for 1995–2020+ Harley-Davidson Sportster models
Made in: USA
Shipping: Worldwide available
Fitment:
Fits Harley-Davidson Sportster models from 1995 to 2020+:
Iron 883
Nightster
Forty-Eight
Seventy-Two
Roadster
1200 Custom
Compatible with:
Carbureted and EFI models
All coil relocation kits from Kinetic Motorcycles
Why Choose the 8mm Spark Plug Wire Set?
Offers modern reliability with a custom vintage look
Built for Harley-Davidson Sportsters—no guesswork on sizing
Pairs perfectly with Kinetic coil relocation kits
Choose from 19 different colors to match your build
High-heat tolerance and long-term durability
Made in the USA with performance and precision in mind
Easy install with pre-installed boots and terminals
FAQs:
Q: Are these wires plug-and-play with coil relocation kits?
A: Yes, they’re designed specifically for Kinetic Motorcycles’ coil relocation brackets and match the ideal wire length for Sportsters.
Q: Will they work on a 2004 Nightster?
A: Absolutely—they’re custom-made for all 1995–2020+ Sportster models, including the Nightster.
Q: What’s the difference between the cloth and silicone options?
A: Cloth versions give a vintage look with modern heat resistance. Solid silicone options offer full insulation, while translucent wires add a unique visual effect.
Q: Can I order just one wire if needed?
A: Currently, these are sold as a pair to ensure matching specs and appearance.
Q: Are custom lengths available?
A: For special requests, feel free to contact us directly—we may be able to help with a custom setup.