Custom-Fit Spark Plug Wire Kit — 8 mm, 40.5 cm (16 in), black

SUMAX Custom-Fit Spark Plug Wire Kit — 8 mm, 40.5 cm (16 in), black – 70-86 Big Twin, 80-84, 89, 99 Touring, 85-99 Softail, 91-98 Dyna, 87-94 FXR, 70-85 Sportster

SUMAX
DS-242132
S77031

Precut, extra‑high‑temperature silicone spark plug wires with a Spiro‑Pro core for superior conductivity and extended life. Designed for electronic ignitions. Made in the USA.

Hurry! only 15 items left in stock.
€32.43
€40.77
Save €8.34
local_shipping In stock, ships in 2-3 days
Quantity

  Delivery policy

In stock items will be shipped within 1-3 days.

  Return policy

You can return the products within 14 days for a full refund, check our returns policy.

The Custom-Fit Spark Plug Wire Kit delivers reliable ignition performance with race-inspired design and proven electrical technology. 🔧✨

  • Designer plug wire sets come in distinctive, highly visible colors for easy routing and identification.
  • Precut with the plug and coil boots and terminals already installed for quick, accurate installation.
  • Boots and wires are made from extra-high-temperature silicone, offering protection up to 600°F.
  • The Spiro-Pro core provides up to ten times the conductivity of a standard carbon-core wire, ensuring strong spark delivery.
  • Low resistance reduces heat and helps the wires last three to four times longer than carbon-core alternatives.
  • Designed for electronic ignitions but also performs well with point-type systems.
  • Made in the USA.

Perfect for restorations and performance builds, this kit combines durability, ease of installation, and superior electrical performance for dependable starts and smooth running.

: DS-242132
In Stock

Data sheet

Type
Spark Plug
Units
Pair
Color/Finish
Black
Brand
SUMAX
Wire Diameter
8 mm
Connector Angle
-
Wire Length
40.5 cm (16")

Shipping Policy

Shipping Areas:

We ship to:

  • Spain (Peninsula and Balearic Islands)
  • European Union countries

We do not ship to the Canary Islands, Ceuta, or Melilla.

Shipping Times:

  • Spain (Peninsula): 2–4 business days
  • Balearic Islands: 3–5 business days
  • EU countries: 3–7 business days depending on destination

Shipping Costs:

Shipping costs are calculated automatically at checkout based on destination and weight.

Free shipping may be offered for qualifying orders, as specified on our website.

Order Processing:

Orders are processed within 1–2 business days after payment confirmation. Orders placed on weekends or public holidays are processed the next business day.

Delivery Issues:

If your order is delayed or arrives damaged, you must notify us within 14 calendar days. We will investigate the issue and offer a resolution in accordance with applicable consumer protection laws.

Return & Withdrawal Policy

Right of Withdrawal:

In accordance with Royal Legislative Decree 1/2007 (Ley de Defensa de los Consumidores y Usuarios), you have the right to withdraw from your purchase within 14 calendar days from the date of receipt, without giving any reason.

To exercise this right, contact us via email or through our website, providing your order number and contact details.

Return Conditions:

  • Products must be unused, in original condition and packaging.
  • Return shipping costs are the responsibility of the customer, unless the product is defective or sent in error.
  • Refunds will be issued within 14 days of receiving the returned goods.

Items Excluded from Return:

  • Custom or personalized products
  • Sealed items that were unsealed after delivery and are unsuitable for return due to hygiene (e.g. cosmetics, personal care)
  • Digital content delivered electronically once download or streaming has begun

If you want to return an item, please contact us first to give you detailed instructions.

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

Manufacturer Model Family Year Notes
Harley Davidson Electra Glide Big Twin 1970 With coil adjacent to oil tank
Harley Davidson Electra Glide Big Twin 1971 With coil adjacent to oil tank
Harley Davidson Electra Glide Big Twin 1972 With coil adjacent to oil tank
Harley Davidson Electra Glide Big Twin 1973 With coil adjacent to oil tank
Harley Davidson Electra Glide Big Twin 1974 With coil adjacent to oil tank
Harley Davidson Electra Glide Big Twin 1975 With coil adjacent to oil tank
Harley Davidson Electra Glide Big Twin 1976 With coil adjacent to oil tank
Harley Davidson Electra Glide Big Twin 1977 With coil adjacent to oil tank
Harley Davidson Electra Glide Standard Big Twin 1984 With coil adjacent to oil tank
Harley Davidson Electra Glide Big Twin 1970 With coil adjacent to oil tank
Harley Davidson Electra Glide Big Twin 1971 With coil adjacent to oil tank
Harley Davidson Electra Glide Big Twin 1972 With coil adjacent to oil tank
Harley Davidson Electra Glide Big Twin 1973 With coil adjacent to oil tank
Harley Davidson Electra Glide Big Twin 1974 With coil adjacent to oil tank
Harley Davidson Electra Glide Big Twin 1975 With coil adjacent to oil tank
Harley Davidson Electra Glide Big Twin 1976 With coil adjacent to oil tank
Harley Davidson Electra Glide Big Twin 1977 With coil adjacent to oil tank
Harley Davidson Electra Glide Big Twin 1978 With coil adjacent to oil tank
Harley Davidson Electra Glide Big Twin 1979 With coil adjacent to oil tank
Harley Davidson Electra Glide Big Twin 1980 With coil adjacent to oil tank
Harley Davidson Electra Glide Big Twin 1979 With coil adjacent to oil tank
Harley Davidson Electra Glide Big Twin 1980 With coil adjacent to oil tank
Harley Davidson Electra Glide Big Twin 1981 With coil adjacent to oil tank
Harley Davidson Electra Glide Big Twin 1982 With coil adjacent to oil tank
Harley Davidson Electra Glide Big Twin 1983 With coil adjacent to oil tank
Harley Davidson Electra Glide Classic Big Twin 1979 With coil adjacent to oil tank
Harley Davidson Electra Glide Big Twin 1980 With coil adjacent to oil tank
Harley Davidson Electra Glide Classic Big Twin 1981 With coil adjacent to oil tank
Harley Davidson Electra Glide Sport Touring 1980 With coil adjacent to oil tank
Harley Davidson Electra Glide Classic Touring 1983 With coil adjacent to oil tank
Harley Davidson Electra Glide Classic Touring 1999 With coil adjacent to oil tank
Harley Davidson Electra Glide Ultra Classic Touring 1989 With coil adjacent to oil tank
Harley Davidson Electra Glide Special Touring 1984 With coil adjacent to oil tank
Harley Davidson Heritage Softail Softail 1986 With coil adjacent to oil tank
Harley Davidson Heritage Softail Softail 1987 With coil adjacent to oil tank
Harley Davidson Heritage Softail Softail 1988 With coil adjacent to oil tank
Harley Davidson Heritage Softail Softail 1989 With coil adjacent to oil tank
Harley Davidson Heritage Softail Softail 1990 With coil adjacent to oil tank
Harley Davidson Heritage Softail Classic Softail 1988 With coil adjacent to oil tank
Harley Davidson Heritage Softail Classic Softail 1989 With coil adjacent to oil tank
Harley Davidson Heritage Softail Classic Softail 1990 With coil adjacent to oil tank
Harley Davidson Heritage Softail Classic Softail 1991 With coil adjacent to oil tank
Harley Davidson Heritage Softail Classic Softail 1992 With coil adjacent to oil tank
Harley Davidson Heritage Softail Classic Softail 1993 With coil adjacent to oil tank
Harley Davidson Heritage Softail Classic Softail 1994 With coil adjacent to oil tank
Harley Davidson Heritage Softail Classic Softail 1995 With coil adjacent to oil tank
Harley Davidson Heritage Softail Classic Softail 1996 With coil adjacent to oil tank
Harley Davidson Heritage Softail Classic Softail 1997 With coil adjacent to oil tank
Harley Davidson Heritage Softail Classic Softail 1998 With coil adjacent to oil tank
Harley Davidson Heritage Softail Classic Softail 1999 With coil adjacent to oil tank
Harley Davidson Fat Boy Softail 1990 With coil adjacent to oil tank
Harley Davidson Fat Boy Softail 1991 With coil adjacent to oil tank
Harley Davidson Fat Boy Softail 1992 With coil adjacent to oil tank
Harley Davidson Fat Boy Softail 1993 With coil adjacent to oil tank
Harley Davidson Fat Boy Softail 1994 With coil adjacent to oil tank
Harley Davidson Fat Boy Softail 1995 With coil adjacent to oil tank
Harley Davidson Fat Boy Softail 1996 With coil adjacent to oil tank
Harley Davidson Fat Boy Softail 1997 With coil adjacent to oil tank
Harley Davidson Fat Boy Softail 1998 With coil adjacent to oil tank
Harley Davidson Fat Boy Softail 1999 With coil adjacent to oil tank
Harley Davidson Heritage Softail Special/Nostalgia Softail 1993 With coil adjacent to oil tank
Harley Davidson Heritage Softail Special/Nostalgia Softail 1994 With coil adjacent to oil tank
Harley Davidson Heritage Softail Special/Nostalgia Softail 1995 With coil adjacent to oil tank
Harley Davidson Heritage Softail Special/Nostalgia Softail 1996 With coil adjacent to oil tank
Harley Davidson Heritage Softail Springer Softail 1997 With coil adjacent to oil tank
Harley Davidson Heritage Softail Springer Softail 1998 With coil adjacent to oil tank
Harley Davidson Heritage Softail Springer Softail 1999 With coil adjacent to oil tank
Harley Davidson Tour Glide Touring 1980 With coil adjacent to oil tank
Harley Davidson Tour Glide Touring 1981 With coil adjacent to oil tank
Harley Davidson Tour Glide Touring 1982 With coil adjacent to oil tank
Harley Davidson Tour Glide Classic Touring 1982 With coil adjacent to oil tank
Harley Davidson Super Glide Big Twin 1971 With coil adjacent to oil tank
Harley Davidson Super Glide Big Twin 1972 With coil adjacent to oil tank
Harley Davidson Super Glide Big Twin 1973 With coil adjacent to oil tank
Harley Davidson Super Glide Big Twin 1974 With coil adjacent to oil tank
Harley Davidson Super Glide Big Twin 1975 With coil adjacent to oil tank
Harley Davidson Super Glide Big Twin 1976 With coil adjacent to oil tank
Harley Davidson Super Glide Big Twin 1977 With coil adjacent to oil tank
Harley Davidson Super Glide Big Twin 1978 With coil adjacent to oil tank
Harley Davidson Sturgis Big Twin 1980 With coil adjacent to oil tank
Harley Davidson Sturgis Big Twin 1981 With coil adjacent to oil tank
Harley Davidson Sturgis Big Twin 1982 With coil adjacent to oil tank
Harley Davidson Dyna Glide Sturgis Dyna 1991 With coil adjacent to oil tank
Harley Davidson Dyna Glide Daytona Dyna 1992 With coil adjacent to oil tank
Harley Davidson Dyna Glide Custom Dyna 1992 With coil adjacent to oil tank
Harley Davidson Big Twin 1983 With coil adjacent to oil tank
Harley Davidson Dyna Low Rider Dyna 1993 With coil adjacent to oil tank
Harley Davidson Dyna Low Rider Dyna 1994 With coil adjacent to oil tank
Harley Davidson Dyna Low Rider Dyna 1995 With coil adjacent to oil tank
Harley Davidson Dyna Low Rider Dyna 1996 With coil adjacent to oil tank
Harley Davidson Dyna Low Rider Dyna 1997 With coil adjacent to oil tank
Harley Davidson Dyna Low Rider Dyna 1998 With coil adjacent to oil tank
Harley Davidson Dyna Super Glide Convertible Dyna 1994 With coil adjacent to oil tank
Harley Davidson Super Glide Big Twin 1974 With coil adjacent to oil tank
Harley Davidson Super Glide Big Twin 1975 With coil adjacent to oil tank
Harley Davidson Super Glide Big Twin 1976 With coil adjacent to oil tank
Harley Davidson Super Glide Big Twin 1977 With coil adjacent to oil tank
Harley Davidson Fat Bob Big Twin 1979 With coil adjacent to oil tank
Harley Davidson Fat Bob Big Twin 1979 With coil adjacent to oil tank
Harley Davidson Fat Bob Big Twin 1980 With coil adjacent to oil tank
Harley Davidson Fat Bob Big Twin 1981 With coil adjacent to oil tank
Harley Davidson Low Rider Custom FXR 1987 With coil adjacent to oil tank
Harley Davidson Low Rider Custom FXR 1988 With coil adjacent to oil tank
Harley Davidson Low Rider Custom FXR 1989 With coil adjacent to oil tank
Harley Davidson Low Rider Custom FXR 1990 With coil adjacent to oil tank
Harley Davidson Low Rider Custom FXR 1991 With coil adjacent to oil tank
Harley Davidson Low Rider Custom FXR 1992 With coil adjacent to oil tank
Harley Davidson Low Rider Custom FXR 1993 With coil adjacent to oil tank
Harley Davidson Low Rider Custom FXR 1994 With coil adjacent to oil tank
Harley Davidson Low Rider Big Twin 1977 With coil adjacent to oil tank
Harley Davidson Low Rider Big Twin 1978 With coil adjacent to oil tank
Harley Davidson Low Rider Big Twin 1979 With coil adjacent to oil tank
Harley Davidson Low Rider Big Twin 1979 With coil adjacent to oil tank
Harley Davidson Low Rider Big Twin 1980 With coil adjacent to oil tank
Harley Davidson Low Rider Big Twin 1981 With coil adjacent to oil tank
Harley Davidson Low Rider Big Twin 1982 With coil adjacent to oil tank
Harley Davidson Low Rider Big Twin 1983 With coil adjacent to oil tank
Harley Davidson Low Rider Big Twin 1984 With coil adjacent to oil tank
Harley Davidson Softail Softail 1985 With coil adjacent to oil tank
Harley Davidson Softail Softail 1986 With coil adjacent to oil tank
Harley Davidson Softail Softail 1987 With coil adjacent to oil tank
Harley Davidson Softail Softail 1988 With coil adjacent to oil tank
Harley Davidson Softail Softail 1989 With coil adjacent to oil tank
Harley Davidson Softail Softail 1990 With coil adjacent to oil tank
Harley Davidson Softail Softail 1999 With coil adjacent to oil tank
Harley Davidson Softail Night Train Softail 1998 With coil adjacent to oil tank
Harley Davidson Softail Night Train Softail 1999 With coil adjacent to oil tank
Harley Davidson Softail Custom Softail 1986 With coil adjacent to oil tank
Harley Davidson Softail Custom Softail 1987 With coil adjacent to oil tank
Harley Davidson Softail Custom Softail 1988 With coil adjacent to oil tank
Harley Davidson Softail Custom Softail 1989 With coil adjacent to oil tank
Harley Davidson Softail Custom Softail 1990 With coil adjacent to oil tank
Harley Davidson Softail Custom Softail 1991 With coil adjacent to oil tank
Harley Davidson Softail Custom Softail 1992 With coil adjacent to oil tank
Harley Davidson Softail Custom Softail 1993 With coil adjacent to oil tank
Harley Davidson Softail Custom Softail 1994 With coil adjacent to oil tank
Harley Davidson Softail Custom Softail 1995 With coil adjacent to oil tank
Harley Davidson Softail Custom Softail 1996 With coil adjacent to oil tank
Harley Davidson Softail Custom Softail 1997 With coil adjacent to oil tank
Harley Davidson Softail Custom Softail 1998 With coil adjacent to oil tank
Harley Davidson Softail Custom Softail 1999 With coil adjacent to oil tank
Harley Davidson Softail Springer Softail 1988 With coil adjacent to oil tank
Harley Davidson Softail Springer Softail 1989 With coil adjacent to oil tank
Harley Davidson Softail Springer Softail 1990 With coil adjacent to oil tank
Harley Davidson Softail Springer Softail 1991 With coil adjacent to oil tank
Harley Davidson Softail Springer Softail 1992 With coil adjacent to oil tank
Harley Davidson Softail Springer Softail 1993 With coil adjacent to oil tank
Harley Davidson Softail Springer Softail 1994 With coil adjacent to oil tank
Harley Davidson Softail Springer Softail 1995 With coil adjacent to oil tank
Harley Davidson Softail Springer Softail 1996 With coil adjacent to oil tank
Harley Davidson Softail Springer Softail 1997 With coil adjacent to oil tank
Harley Davidson Softail Springer Softail 1998 With coil adjacent to oil tank
Harley Davidson Softail Springer Softail 1999 With coil adjacent to oil tank
Harley Davidson Bad Boy Softail 1995 With coil adjacent to oil tank
Harley Davidson Bad Boy Softail 1996 With coil adjacent to oil tank
Harley Davidson Bad Boy Softail 1997 With coil adjacent to oil tank
Harley Davidson Wide Glide Big Twin 1984 With coil adjacent to oil tank
Harley Davidson Wide Glide Big Twin 1985 With coil adjacent to oil tank
Harley Davidson Wide Glide Big Twin 1986 With coil adjacent to oil tank
Harley Davidson Sportster Sportster 1976 With coil adjacent to oil tank
Harley Davidson Sportster Sportster 1977 With coil adjacent to oil tank
Harley Davidson Sportster Sportster 1978 With coil adjacent to oil tank
Harley Davidson Sportster Sportster 1970 With coil adjacent to oil tank
Harley Davidson Sportster Sportster 1971 With coil adjacent to oil tank
Harley Davidson Cafe Racer Sportster 1977 With coil adjacent to oil tank
Harley Davidson Cafe Racer Sportster 1978 With coil adjacent to oil tank
Harley Davidson Sportster Sportster 1972 With coil adjacent to oil tank
Harley Davidson Sportster Sportster 1973 With coil adjacent to oil tank
Harley Davidson Sportster Sportster 1974 With coil adjacent to oil tank
Harley Davidson Sportster Sportster 1975 With coil adjacent to oil tank
Harley Davidson Sportster Sportster 1976 With coil adjacent to oil tank
Harley Davidson Sportster Sportster 1977 With coil adjacent to oil tank
Harley Davidson Sportster Sportster 1978 With coil adjacent to oil tank
Harley Davidson Sportster Sportster 1979 With coil adjacent to oil tank
Harley Davidson Sportster Sportster 1980 With coil adjacent to oil tank
Harley Davidson Sportster Sportster 1981 With coil adjacent to oil tank
Harley Davidson Sportster Sportster 1982 With coil adjacent to oil tank
Harley Davidson Sportster Sportster 1983 With coil adjacent to oil tank
Harley Davidson Sportster Sportster 1984 With coil adjacent to oil tank
Harley Davidson Sportster Sportster 1985 With coil adjacent to oil tank
Harley Davidson Sportster Sportster 1970 With coil adjacent to oil tank
Harley Davidson Sportster Sportster 1971 With coil adjacent to oil tank
Harley Davidson Roadster Sportster 1979 With coil adjacent to oil tank
Harley Davidson Roadster Sportster 1980 With coil adjacent to oil tank
Harley Davidson Roadster Sportster 1981 With coil adjacent to oil tank
Harley Davidson Roadster Sportster 1982 With coil adjacent to oil tank
Harley Davidson Roadster Custom Sport Sportster 1983 With coil adjacent to oil tank
Harley Davidson Roadster Sportster 1984 With coil adjacent to oil tank
Harley Davidson Roadster Sportster 1985 With coil adjacent to oil tank
Harley Davidson Sportster Sportster 1977 With coil adjacent to oil tank
Harley Davidson Sportster Sportster 1978 With coil adjacent to oil tank
Harley Davidson Sportster Sportster 1983 With coil adjacent to oil tank
Harley Davidson Sportster Sportster 1984 With coil adjacent to oil tank
Harley Davidson Sportster Sportster 1985 With coil adjacent to oil tank