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

SUMAX Custom-Fit Spark Plug Wire Kit — 8 mm, 40.5 cm (16") , Red – 70-86 Big Twin, 80-84, 89, 99 Touring, 85-99 Softail, 91-98 Dyna, 87-94 FXR, 65-85 Sportster

SUMAX
DS-242149
S77231

High-visibility, precut silicone spark plug wire kit with preinstalled boots and terminals.

Spiro-Pro core delivers superior conductivity and longer life; suitable for electronic and point ignitions. Made in the USA.

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Designer plug wire sets come in distinctive, highly visible colors to simplify routing and troubleshooting. ⚡️

Precut wires include plug and coil boots plus terminals already installed for quick, accurate installation.

Boots and wires are constructed from extra-high-temperature silicone for protection up to 600°F, offering improved durability under intense heat. 🔥

  • Spiro-Pro core provides up to ten times the conductivity of a standard carbon-core wire.
  • Low resistance helps the wires run cooler and extend service life three to four times longer than carbon-core options.
  • Designed for electronic ignitions and also compatible with point-type systems.

Precision manufacturing and quality materials result in reliable performance and fitment. Made in the USA.

: DS-242149
In Stock

Data sheet

Type
Spark Plug
Units
Pair
Color/Finish
Red
Brand
SUMAX
Wire Diameter
8 mm
Connector Angle
-
Wire Length
40.5 cm (16")
Harley Family
Dyna
FXR
Softail
Sportster
Touring
Vintage Big Twin

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 Touring 1983 With coil adjacent to oil tank
Harley Davidson Tour Glide Classic Touring 1982 With coil adjacent to oil tank
Harley Davidson Tour Glide Classic Touring 1983 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 1965 With coil adjacent to oil tank
Harley Davidson Sportster Sportster 1966 With coil adjacent to oil tank
Harley Davidson Sportster Sportster 1967 With coil adjacent to oil tank
Harley Davidson Sportster Sportster 1968 With coil adjacent to oil tank
Harley Davidson Sportster Sportster 1969 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 1967 With coil adjacent to oil tank
Harley Davidson Sportster Sportster 1968 With coil adjacent to oil tank
Harley Davidson Sportster Sportster 1969 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