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Sumax Spark Plug Wire — 8 mm — Blue — '17-'25 Harley-Davidson®

Sumax · #2104-0311 · Spark Plug Wires / Electrical & Gauges

Designer plug wire sets come in distinctive, highly visible colors
Precut and have the plug/coil boots and terminals already installed
Boots and wires are made from extra-high-temperature silicone, which gives protection up to 600°F
Spiro-Pro core provides up to 10 times the conductivity of a standard carbon-core wire
Low resistance means they run cooler and last three to four times longer than carbon-core wires

$72.95

Not in stock right now — special order. Order it now and we email the ship date before we charge you a cent.

Questions? Call the shop: 801-361-3010

Real shop · real humans · 1231 N 1300 W Ste A, Centerville, UT 84014

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Description & features7 features

34”/18” leads w/ 90° coil boots, 135° plug boots.

Designer plug wire sets come in distinctive, highly visible colors
Precut and have the plug/coil boots and terminals already installed
Boots and wires are made from extra-high-temperature silicone, which gives protection up to 600°F
Spiro-Pro core provides up to 10 times the conductivity of a standard carbon-core wire
Low resistance means they run cooler and last three to four times longer than carbon-core wires
Designed for electronic ignitions, but also work great on point types
Made in the USA

Specifications10 specs

Connector Angle: 135°, 90°
Length: 44 cm (17-1/4"), 86 cm (34"), 34", 44 cm, 45,5 cm (18"), 17-1/4", 45.5 cm, 78 cm (30-1/2"), 18", 78 cm, 30-1/2", 86 cm
Riding Style: Street
Color/Finish: Blue
Type: Spark Plug
Units: Set
Wire Diameter: 8 mm
Shipping weight: 0.78 lb
Package size: 10.3 × 9.3 × 1.5 in
Country of origin: USA

Fitment30 models · Harley-Davidson

Harley-Davidson30 models

Electra Glide Police FLHTPI2017–2025
Electra Glide Police FLHTP2025
FLH Electra Glide Revival2021
FLHFB Electra Glide Highway King2023
FLHR Road King2017–2022
FLHRXS Road King Special2017–2025
FLHT Electra Glide Standard2019–2022
FLHTCU Electra Glide Ultra Classic2017–2019
FLHTCUTG Tri Glide Ultra2017–2020
FLHTK Ultra Limited2017–2024
FLHTKL Ultra Limited Low2017–2019
FLHTKSE CVO Limited2017–2021
FLHX Street Glide2017–2025
FLHXS Street Glide Special2017–2023
FLHXSE CVO Street Glide2017–2025
FLHXST Street Glide ST2022–2023
FLHXU Street Glide Ultra2025
FLI Hydra-Glide Revival2024
FLRT Freewheeler2017–2020
FLTRK Road Glide Limited2020–2024
FLTRKSE CVO Road Glide Limited2022–2023
FLTRU Road Glide Ultra2017–2019
FLTRX Road Glide2017–2025
FLTRXS Road Glide Special2017–2023
FLTRXSE CVO Road Glide2018–2020
FLTRXST Road Glide ST2022–2023
Road Glide Custom FLTRX2025
Road Glide Police FLTRXP2024–2025
Road King Police FLHP2017–2025
Street Glide EFI FLHX2025

Fitment comes from the catalog data for this part. Double-check your year, model and trim before you order — or call the counter at 801-361-3010 and we’ll check it with you.

Part numbers

Salto part #: 2104-0311
Sumax part #: S20638

Shipping

Special order. We email the ship date when you order.

Ground shipping is $14.95, free on orders over $150. Stock is checked again before your card is charged.

Questions4 answers

Is it in stock?: It isn’t in stock right now, but we can special-order it. We confirm timing by email when you order, before anything is charged.
How fast will it get to me?: We confirm the ship date when you order. If anything changes, you hear it from us first.
Will it fit my machine?: It’s listed for the models in the Fitment section above. Not sure about your trim or year? Call the counter at 801-361-3010 and we’ll check it with you.
Is this genuine Sumax?: Yes. It’s new and genuine, straight from Salto — Sumax part #S20638.