Best Performance Spark Plugs for Harley Davidson

With the help of this article, you will be able to have a broader understanding of best performance spark plugs for harley davidson, as I will be discussing the features, pros, and cons in detail. Other than that, make sure to read until the end.

If you don’t have the time or the energy to look for the performance spark plugs for harley davidson that best suited for you, no worries; I have you covered. I have put together here a list of the best performance spark plugs for harley davidson currently available.

Top 10 Best Performance Spark Plugs for Harley Davidson

Reviews on 10 Top Rated Performance Spark Plugs for Harley Davidson

If you are looking for the Best Performance Spark Plugs for Harley Davidson, then any of these 10 would be a great choice for you.

Iridium Performance Spark Plugs Pair for Harley Softail Slim Twin Cam repl. Harley# 6R12
  • The ultimate in spark plug technology and performance
  • Iridium electrode is smaller than a standard electrode; requires less voltage
  • Hotter spark and extended spark plug service life compared to conventional plugs
  • Has the distinctive black ceramic with and gold-colored corrosion-protected coating on the metal shell
  • Sold in pairs and replaces Harley# 6R12 / NGK# DCPR7EIX
Aokus 10.4mm 10mm Spark Plug Wire Compatible with Harley Davidson Big Twin 99-19 FXD Dyna Softail (Blue)
  • ● Replace for Manufacturer Part Number: DYNA-409BL
  • ● Fits for virtually like factory location on cylinder Harley-Davidson or Big-Twin that has the coil mounted on the seat post.10.4mm high performance ignition wires available for street or race applications
  • ●Perfect Fitment, directly replacement. Made of high quality material, reliable quality and durable.
  • ●Great for replacement wire, relocation kits, new look, bobbers, scramblers, cafe racer etc
  • ●Package includes: 2 * blue Spark Plug Wires (one 8" and one 20" long wires pre-crimped)
Harley Sportster Roadster XL 1200R Iridium Performance Spark Plugs Pair repl. OEM# 6R12
  • The ultimate in spark plug technology and performance
  • Iridium electrode is smaller than a standard electrode; requires less voltage
  • Hotter spark and extended spark plug service life compared to conventional plugs
  • Has the distinctive black ceramic with and gold-colored corrosion-protected coating on the metal shell
  • Sold in pairs and replaces Harley# 6R12 / NGK# DCPR7EIX
V-Twin Performance Spark Plugs Fits Harley Big Twins
  • V-Twin performance spark plugs features a copper core electrode for a longer service life, nickel plated housing, 95% pure alumina insulator and a heat crimping process to ensure a leak free seal.
  • One heat range hotter than stock plug.
  • Fits: FXST 1984-1998, FLST 1984-1998, FLT 1984-1998
  • FXR 1982-1994, FXD 1991-1998
  • FL 1975-1984, FX 1975-1984
AIP Electronics Dragon Fire Ultra Low 40 Ohm per/ft. Pro Series High Performance Spark Plug Wire Set for 2009-2016 Harley-Davidson Touring and Trike Road King Street Glide OEM Fit PWJ191-PRO
  • MANUFACTURER: Dragon Fire Model: Pro Race Series Direct Factory Fit
  • RESISTANCE: 40 ohms per foot
  • WIRE DIAMETER: 10MM
  • FEATURES: Pentacore Technology - Industry Leading High Heat German made Silicone - High Performance Coated Copper Conductor - Precision Wound at 200 Turns per inch (+/- 10%) for Maximum Voltage Transfer and Superior RFI/EMI Protection - Kevlar Fiber Core - High Tensile Strength Fiberglass Protection Mesh - High Temp. Rated to 600F - Extra Thick Boot Wall Design - Long Service Life
  • WIRE LENGTHS: 1 x 36.25", 1 x 18.25"
Performance Spark Plugs Pair for Softail Deuce 1999-2014 Models
  • Conventional style spark plugs, available in OEM heat ranges
  • Plugs have a unique look with a black ceramic body
  • Insulator is made of 95% pure alumina, features strong resistance to heat shock and superior insulation
  • Sold in Pairs
  • Electra Glide Classic
Sportster Sport XL 1200S Performance Spark Plugs Pair repl. OEM# 6R12
  • Conventional style spark plugs, available in OEM heat ranges
  • Plugs have a unique look with a black ceramic body
  • Insulator is made of 95% pure alumina, features strong resistance to heat shock and superior insulation
  • Sold in Pairs
  • Sportster Sport XL 1200S
AIP Electronics Dragon Fire Race 10.2mm Spark Plug Wire 2009-2016 Harley-Davidson Touring Trike OEM Fit PWJ191
  • MANUFACTURER: Dragon Fire Performance MODEL: Sport Series - Silicone Sleeved
  • Compatible with 2009-2016 Harley-Davidson Touring and Trike Models **Be Sure to Check for Correct Fitment Using the Chart Above. Don't See a Chart? Message us for help.
  • WIRE DIAMETER & RESISTANCE: 10mm 150 Ohms per Foot
  • FEATURES OE Factory Fit, designed with performance and reliability in mind, removable silicone heat sleeve, Kevlar core, high tensile strength fiberglass protection mesh, precision wound for maximum voltage transfer and superior RFI/EMI protection, extra thick plug wire boots, extra tight plug wire boot fitment NO more popping off wires under heavy load, all connections are watertight and weatherproof, tested and ensured to match OE fit, only premium grade materials used for long service life. C
  • WIRE LENGTHS: 1x18" 1x36"
V-Twin Performance Spark Plugs Replaces Harley spark plug #6R12.
  • V-Twin perfomance spark plugs features a copper core electrode for a longer service life, nickel plated housing, 95% pure alumina insulator and a heat crimping process to ensure a leak free seal.
  • Fits: FLT 1999-2016, FXST 1999-UP
  • FLST 1999-UP, FXD 1999-2017
  • XL 1986-UP
  • Color of plug may vary

Conclusion

The article ends here, detailing the best performance spark plugs for harley davidson. However, the best option for each person will vary depending on their individual needs and preferences. But here, the products we have listed above, have great features and are highly rated by customers. So, I hope that it may have helped you finalize your decision to choose the best one for you.

Last update on 2023-03-29 / Affiliate links / Images from Amazon Product Advertising API

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