Best Spark Plugs For Harley Sportster | Reviews & Recommendations

Truly finding the spark plugs for harley sportster is only effective if you can get your hands on some options, which is exactly what we did.

After researching many products, we shaved the list down to the top 10 options today by researching design, capability, durability, features, price, and overall build quality.

We researched hours on these products and compared them to one another to see which one is the best for every need. Read this spark plugs for harley sportster article with an extensive buying guide if you're interested in buying or learning about these spark plugs for harley sportster.

# Preview Product Score
1 NGK Iridium IX DCPR7EIX Spark Plugs for 1999-2016 Harley Davidson Twin Cam (Pair)

NGK Iridium IX DCPR7EIX Spark Plugs for 1999-2016 Harley Davidson Twin Cam (Pair)

9.5
2 Aokus Blue 10mm Spark Plug Wires Compatible with Harley Davidson 883 1200 Sportster XL 86-03

Aokus Blue 10mm Spark Plug Wires Compatible with Harley Davidson 883 1200 Sportster XL 86-03

9.3
3 Harley Sportster Roadster XL 1200R Iridium Performance Spark Plugs Pair repl. OEM# 6R12

Harley Sportster Roadster XL 1200R Iridium Performance Spark Plugs Pair repl. OEM# 6R12

9.5
4 Spark Plug Wires Black 8.8mm For Davidson 883 1200 Sportster XL 86-03,‎2104-0143,144025,Black, Vanshly

Spark Plug Wires Black 8.8mm For Davidson 883 1200 Sportster XL 86-03,‎2104-0143,144025,Black,...

9.3
5 NGK 6046 DCPR7EIX Spark Plug (Pack of 2)

NGK 6046 DCPR7EIX Spark Plug (Pack of 2)

9.2
6 E3 Spark Plugs E3.36 Powersports Spark Plug, Pack of 1

E3 Spark Plugs E3.36 Powersports Spark Plug, Pack of 1

9.8
7 2Pcs CNPAPC Upgrade Double Iridium IX Spark Plugs DCPR7EIX #3144 #6046 #97637 for 1999-2016 Harley Davidson Twin Cam…

2Pcs CNPAPC Upgrade Double Iridium IX Spark Plugs DCPR7EIX #3144 #6046 #97637 for 1999-2016 Harley...

9.6
8 Red Spark Plug Wires Black 8.8mm Compatible with Davidson 883 1200 Sportster XL 86-03,2104-0143, Red Color, Vanshly

Red Spark Plug Wires Black 8.8mm Compatible with Davidson 883 1200 Sportster XL 86-03,2104-0143, Red...

9.5
9 TONRYCUE 10mm Spark Plug Wires Compatible with Harley Davidson Softail FXST FLST 1984-1999

TONRYCUE 10mm Spark Plug Wires Compatible with Harley Davidson Softail FXST FLST 1984-1999

9.2
10 TONRYCUE Spark Plug Wire Compatible with Harley Davidson Big Twin 1999-2019, and for FXD Dyna Softail (Red)

TONRYCUE Spark Plug Wire Compatible with Harley Davidson Big Twin 1999-2019, and for FXD Dyna...

9.8

List of best spark plugs for harley sportster  Reviews

SaleBestseller No. 1

NGK Iridium IX DCPR7EIX Spark Plugs for 1999-2016 Harley Davidson Twin Cam (Pair)

  • Come pre-gapped
  • The iridium electrode is 25% smaller than a platinum electrode, and it's just 1/4 the size of a conventional nickel electrode
  • Ultra-small diameter center electrode reduces voltage requirement and extends ignition system life
  • The ultimate in spark plug technology and performance from the industry leader
  • New metal shell plating has enhanced anti corrosion qualities
Bestseller No. 2

Aokus Blue 10mm Spark Plug Wires Compatible with Harley Davidson 883 1200 Sportster XL 86-03

  • Fitment:1996 - 2003 Harley-DavidsonXL 1200C Custom, 1996 - 1997 Harley-DavidsonXL 1200S Sport, 1999 - 2003 Harley-DavidsonXL 883C Custom, 2002 - 2003 Harley-DavidsonXL 883R, 1986 - 1987 Harley-DavidsonXLH 1100, 1988 - 2003 Harley-DavidsonXLH 1200, 1986 - 2003 Harley-DavidsonXLH 883, 1986 - 1995 Harley-DavidsonXLH 883 Deluxe, 1987 - 2003 Harley-DavidsonXLH 883 Hugger
  • 10mm high performance ignition wires available for street or race applications
  • Perfect Fitment, directly replacement. Made of high quality material, reliable quality and durable.
  • Constructed with silicone throughout the jacket, insulation and core to deliver high-temperature resistance
  • Package includes: 2 * blue Spark Plug Wires (one 8." and one 20" long wires pre-crimped)
Bestseller No. 3

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
Bestseller No. 4

Spark Plug Wires Black 8.8mm For Davidson 883 1200 Sportster XL 86-03,‎2104-0143,144025,Black, Vanshly

  • √【OEM Part Number】:2104-0143
  • √【Compatible with】:2002-2003 Davidson 883 Roadster XLR ,1996-2003 Harley-Davidson 1200 Custom XLC ,1999-2003 Harley-Davidson 883 Custom XLC ,1988-2003 Harley-Davidson Sportster 1200 XLH ,1986-2003 Harley-Davidson Sportster 883 XLH ,1986-1987 Harley-Davidson Sportster 1100 XLH ,1986-1995 Harley-Davidson 883 Deluxe XLH ,1987-2003 Harley-Davidson 883 Hugger XLH ,1996-1997 Harley-Davidson 1200 Sport XLS ‎
  • √【High-Quality】:The spark plug wire kit is made of high-quality materials, with wear resistance, high reliability, long service life and stable performance. Helps provide maximum voltage and ensures final performance.
  • √【Function description】:The spark plug wire is used as the medium between the ignition coil and the spark plug to power the engine. It can transfer the high-pressure fire distributed by the distributor to the spark plug and then drive the engine to rotate. Engine spark plug wire damage will cause engine fire and cause engine shaking. Timely replacement of damaged spark plug wires can prolong the service life of the engine and reduce fuel waste.
  • √【Warm Tips】:If you encounter problems during the installation process, please contact us immediately,Please make sure your model matches what is listed he
Bestseller No. 5

NGK 6046 DCPR7EIX Spark Plug (Pack of 2)

  • Quality Assured
Bestseller No. 6

E3 Spark Plugs E3.36 Powersports Spark Plug, Pack of 1

  • Fit Type: Universal Fit
  • The Patented Diamondfire Ground Electrode Is Secured To The Shell With Two Legs To Help Facilitate Heat Transfer, And To Withstand The Intense Vibration Of Powersport Engine Applications
  • Improved Starts: Patented Edge-To-Edge Design Concentrates Spark Energy, Which Results In Quick And Easy Starts In Any Conditions
  • For High-Performance Engines: Motorcycle Spark Plug For A Variety Of Powersport Applications, Specifically Designed To Increase Power, Reduce Fuel Consumption, And Improve Hydrocarbon Emissions
Bestseller No. 7

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.
Bestseller No. 8

Red Spark Plug Wires Black 8.8mm Compatible with Davidson 883 1200 Sportster XL 86-03,2104-0143, Red Color, Vanshly

  • √【OEM Part Number】:Red,2104-0143
  • √【Compatible with】:2002-2003 Harley-Davidson 883 Roadster XLR ,1996-2003 Harley-Davidson 1200 Custom XLC ,1999-2003 Harley-Davidson 883 Custom XLC ,1988-2003 Harley-Davidson Sportster 1200 XLH ,1986-2003 Harley-Davidson Sportster 883 XLH ,1986-1987 Harley-Davidson Sportster 1100 XLH ,1986-1995 Harley-Davidson 883 Deluxe XLH ,1987-2003 Harley-Davidson 883 Hugger XLH ,1996-1997 Harley-Davidson 1200 Sport XLS ‎
  • √【High-Quality】:The spark plug wire kit is made of high-quality materials, with wear resistance, high reliability, long service life and stable performance. Helps provide maximum voltage and ensures final performance.
  • √【Function description】:The spark plug wire is used as the medium between the ignition coil and the spark plug to power the engine. It can transfer the high-pressure fire distributed by the distributor to the spark plug and then drive the engine to rotate. Engine spark plug wire damage will cause engine fire and cause engine shaking. Timely replacement of damaged spark plug wires can prolong the service life of the engine and reduce fuel waste.
  • √【Warm Tips】:If you encounter problems during the installation process, please contact us immediately,Please make sure your model matches what is listed he
Bestseller No. 9

TONRYCUE 10mm Spark Plug Wires Compatible with Harley Davidson Softail FXST FLST 1984-1999

  • Fitment: for Harley Davidson Softail 1984-1999
  • Material: made of high quality material, reliable quality and durable
  • Package Included: 2* red spark plug wires
  • Note: Please make sure the car's model if fit your car or not before you order
Bestseller No. 10

TONRYCUE Spark Plug Wire Compatible with Harley Davidson Big Twin 1999-2019, and for FXD Dyna Softail (Red)

  • Compatible with: for Harley-davidson Dyna 2000-2017;Softail 1999-2017
  • Material: Made of high quality material, reliable quality and durable
  • Package Included: 1 x 8" long wire pre-crimped and 1* 20" long wires pre-crimped
  • Note: Please make sure the car's model if fit your car or not before you order
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