Best Spark Plugs for Harley Davidson

With the help of this article, you will be able to have a broader understanding of best 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 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 spark plugs for harley davidson currently available.

Top 10 Best Spark Plugs for Harley Davidson

Reviews on 10 Top Rated Spark Plugs for Harley Davidson

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

Motoforti 2 Pcs 10.4mm 10mm Spark Plug Wire Kit for Harley Davidson Big Twin FXD Dyna 2000-2017 for Harley-Davidson Softail 1999-2017 Spark Plug Wires Motorcycle DYNA-409RD Red Silicone
  • [OE Number] DYNA-409RD. This is available for street or race applications.
  • [Fitment] For Harley-davidson Dyna FXD 2000-2017, For Harley-davidson Softail 1999-2017. Normally fit for like factory location on cylinder for Harley-Davidson or Big-Twin which has the coil mounted on the seat post. Please confirm make/model/year and size of the spark plug before purchase.
  • [Features] Come with 10.4mm & 10mm rubber ends, black 90 degree and straight boots for pre-crimped. Adopted with silicone material for whole jacket, insulation and core to bear high-temperature.
  • [Function] Prolong the service time of the engine and reduce fuel waste. A replacement for wire, relocation kits, new look, bobbers, scramblers, cafe racer etc.
  • [Package] Include 2x Spark plug wire pre-crimped. Please connect it with original way or search professional video when replace it in doubt.
2Pcs CNPAPC Upgrade Double Iridium IX Spark Plugs DCPR7EIX #3144 #6046 #97637 for 1999-2016 Harley Davidson Twin Cam…
  • 【SUPER POWER】Double Iridium IX Spark Plugs are designed specifically for the performance enthusiast. Iridium IX offers extreme ignitability, improved throttle response. Double iridium is the best spark plug material
  • 【MORE FUEL EFFICIENT】The flameout phenomenon rarely occurs when using double iridium spark plugs,The engine can also be kept in good running condition, resulting in lower fuel consumption. So it is really necessary to replace the good double iridium spark plugs.
  • 【LONGER LIFE】The fine Double Iridium tip ensures high durability and a consistently stable spark. Double Iridium alloy has extremely high melting point, perfect for today's high-tech, high-performance engines. Trivalent Metal Plating - Outstanding acceleration, long life ,high fuel efficiency and durability. Ultimate design, technology and performance.
  • 【COMPATIBLE MODELS】DCPR7EIX #3144 Replacement racing spark plug used by many professional car drivers and fit for 2000 Dyna Super Glide;1999-2016 Harley Davidson Twin Cam;XL Sportster 883/1200 1986-present; Ultra;Suzuki Boulevard ;If it has the same parameters as this product, it can be compatible
  • 【QUICK AFTER SALES SERVICE】One order = 2 Pieces ,We provide 12 months warranty service for this spark plugs, and we attach great importance to every customer's satisfaction. If for any reason we are not meeting your expectations, please feel free to contact us and we will do our best to resolve all your concerns.
NGK # 6046 Iridium Spark Plugs -- DCPR7EIX -- for Harley-Davidson Twin Cam and XL --- 4 PCS NEW
  • NGK 6046 now s/s to NGK 97637
  • NGK 97637 DCPR7EIX is the Newest Number
  • NGK is the world's largest supplier of OEM spark plugs
  • Often specified as original equipment, NGK spark plugs are the best combination of performance and longevity.
  • This Listing is for 4 Spark Plugs
NGK Iridium IX DCPR8EIX Spark Plugs for 2006-2016 Harley Davidson V-Rod (Pair)
  • Authentic Product
  • NGK Spark Plugs Brand
  • Individual Pack
  • NGK Spark Plugs Part #6546
  • Brand new, never used.
XtremeAmazing Red 10.4mm Spark Plug Wires Set Compatible with Harley Davidson Big Twin FXD Dyna Softail
  • Color: Red
  • Great for replacement wire, relocation kits, new look, bobbers, scramblers, cafe racer etc.
  • Compatible with Harley-Davidson Dyna 2000-2017, Softail 1999-2017
  • Package Contents: 1x 8" long 10.4mm width wire pre-crimped, 1x 20" long 10.4mm width wire pre-crimped
10mm Spark Plug Wire Fits for Harley Davidson Sportster 883 1200 XL 1986-2003, 2104-0143 - Blue Silicone
  • 10mm Spark Plug Wire Fits for Harley Davidson Sportster 883 1200 XL 1986-2003
  • The spark plug wire kit fit for Harley Davidson Sportster 883 1200 XL 1986-2003. Warm Tips:Please check the description for the specific model.
  • Function - Timely replacement of the damaged spark plug wire can prolong the service life of the engine and reduce fuel waste.10mm high performance ignition wires available for street or race applications.
  • High Quality Material - The spark plug wire kit made of high-quality silicone throughout the jacket, wear-resistant, high reliability, long use time, and stable performance.reliable quality and durable.
  • You will Get - 2 * Blue Spark Plug Wires (one 8" and one 20" long wires pre-crimped).
CARBEX 10.4mm 10mm Spark Plug Wire for Harley Davidson Big Twin 99-19 FXD Dyna Softail (BLUE)
  • ❥100% brand new and high quality.
  • ❥Black 90 degree and straight boots.
  • ❥Suppression core wire, Taylor "409" blue .
  • ❥High Quality terminals.
  • ❥Package Include: 8" and one 20" long wires pre-crimped as images show.
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
  • 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"
NGK Resistor Sparkplug BPR5ES-11 for Harley-Davidson Softail Heritage Springer FLSTS 1997-1999
  • Includes (1) Spark Plug.
  • Genuine NGK Replacement Part.
  • New, Bulk Packed.
  • Consult owners manual for proper part number identification and proper installation.
  • Please refer to list for compatibility.


The article ends here, detailing the best 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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