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20 Best Spark Plugs For Harley Davidson Evo (2023 Updated)

Spark plugs are a key component in any internal combustion engine, and that includes your Harley Davidson Evo. They create the all-important spark that ignites the air/fuel mixture in the engine’s cylinders, and they do it thousands of times per minute.

Without spark plugs, your engine wouldn’t run.

20 Best Spark Plugs For Harley Davidson Evo

Product Image Product Name Features Price

NGK 6046 Spark Plug-Iridium IX

  • The ultimate in spark plug technology and performance from the industry leader
  • The iridium electrode is 25 percent smaller than a platinum electrode, which reduces voltage requirement and extends ignition life

NGK Iridium Spark Plug – CR9EIA-9

  • Cr9eia-9

NGK 3932 Spark Plug – Dcpr7e

  • Super “Wide range” Plug.
  • New ceramics high Alumina porcelain is used for insulation.
  • Sturdy and excellent airtightness.

NGK Laser Iridium Spark Plug – LMAR8BI-9

  • Fine iridium tip ensures high durability and a consistently stable spark
  • Iridium alloy has extremely high melting point, perfect for todays high-tech, high-performance engines

NGK 94201 Laser Iridium Spark Plug

  • Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
  • Corrugated ribs prevent flashover
  • Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer

NGK 4548 Spark Plug – CR9EK

  • Corrugated Ribs to Prevent Flashover
  • Pure alumina silicate ceramic insulator, providing superior strength and better heat transfer

E3 Spark Plugs E3.36 Spark Plug

  • 36

NGK CR7HIX Iridium Spark Plug

  • Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
  • Corrugated ribs prevent flashover
  • Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer

NGK 7994 Laser Iridium Spark Plug

  • Unique design to guarantee the best possible performance
  • Wide range of different heat ratings for high thermal endurance
  • High-performance spars

NGK 7164 Spark Plug

  • Fine Iridium Tip Ensures High Durability And A Consistently Stable Spark
  • Iridium Alloy Has Extremely High Melting Point, Perfect For Today’s High-Tech, High-Performance Engines

NGK – 7823 – BPR4HS Spark Plug

  • Super “Wide range” Plug.
  • New ceramics high Alumina porcelain is used for insulation.
  • Sturdy and excellent airtightness.

NGK 4469 Iridium IX Spark Plug

  • Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
  • Corrugated ribs prevent flashover
  • Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer

NGK 4589 Spark Plug-Laser Iridium

  • High durability and greater spark
  • Long life provided by platinum disc welded to the backside of the ground electrode
  • Insulator nose prevents fouling, corrugated ribs prevent flashover, triple gasket seal eliminates combustion gas leak

NGK 6510 – LTR7IX-11 IX Iridium Spark Plug

  • You can depend on NGK for quality and reliability
  • Constructed from durable material
  • Fine Iridium tip ensures high durability

NGK IMR8C-9H Spark Plug

  • Fine Iridium tip ensures high durability and a consistently stable spark
  • Iridium alloy has extremely high melting point, perfect for todays high-tech, high-performance engines

NGK BKR7EIX Iridium IX Spark Plug

  • Unique design to guarantee the best possible performance
  • Wide range of different heat ratings for high thermal endurance
  • High-performance spark s

NGK Iridium Spark Plug (7385)

  • Master workshop
  • Evaluation profile
  • More articles

NGK Lfr6aix-11 Iridium IX Spark Plug

  • Nickel chip ground electrode
  • Better ignitability due to a small diameter centre electrode
  • Long service life (up to 60,000km)

NGK 5068 Spark Plug

  • Fine Iridium tip ensures high durability and a consistently stable spark
  • Iridium alloy has extremely high melting point, perfect for todays high-tech, high-performance engines

NGK Laser Iridium Spark Plug, SILZKR7B11

  • Package Dimensions: 11.43 H x 2.286 L x 3.048 W (centimeters)
  • Fit type: Vehicle Specific
  • Country of Origin : Japan
NGK 6046 Spark Plug-Iridium IX
  • The ultimate in spark plug technology and performance from the industry leader
  • The iridium electrode is 25 percent smaller than a platinum electrode, which reduces voltage requirement and extends ignition life
NGK Iridium Spark Plug – CR9EIA-9
  • Cr9eia-9
NGK 3932 Spark Plug – Dcpr7e
  • Super “Wide range” Plug.
  • New ceramics high Alumina porcelain is used for insulation.
  • Sturdy and excellent airtightness.
NGK Laser Iridium Spark Plug – LMAR8BI-9
  • Fine iridium tip ensures high durability and a consistently stable spark
  • Iridium alloy has extremely high melting point, perfect for todays high-tech, high-performance engines
NGK 94201 Laser Iridium Spark Plug
  • Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
  • Corrugated ribs prevent flashover
  • Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
NGK 4548 Spark Plug – CR9EK
  • Corrugated Ribs to Prevent Flashover
  • Pure alumina silicate ceramic insulator, providing superior strength and better heat transfer
E3 Spark Plugs E3.36 Spark Plug
  • 36
NGK CR7HIX Iridium Spark Plug
  • Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
  • Corrugated ribs prevent flashover
  • Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
NGK 7994 Laser Iridium Spark Plug
  • Unique design to guarantee the best possible performance
  • Wide range of different heat ratings for high thermal endurance
  • High-performance spars
NGK 7164 Spark Plug
  • Fine Iridium Tip Ensures High Durability And A Consistently Stable Spark
  • Iridium Alloy Has Extremely High Melting Point, Perfect For Today’s High-Tech, High-Performance Engines
NGK – 7823 – BPR4HS Spark Plug
  • Super “Wide range” Plug.
  • New ceramics high Alumina porcelain is used for insulation.
  • Sturdy and excellent airtightness.
NGK 4469 Iridium IX Spark Plug
  • Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
  • Corrugated ribs prevent flashover
  • Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
NGK 4589 Spark Plug-Laser Iridium
  • High durability and greater spark
  • Long life provided by platinum disc welded to the backside of the ground electrode
  • Insulator nose prevents fouling, corrugated ribs prevent flashover, triple gasket seal eliminates combustion gas leak
NGK 6510 – LTR7IX-11 IX Iridium Spark Plug
  • You can depend on NGK for quality and reliability
  • Constructed from durable material
  • Fine Iridium tip ensures high durability
NGK IMR8C-9H Spark Plug
  • Fine Iridium tip ensures high durability and a consistently stable spark
  • Iridium alloy has extremely high melting point, perfect for todays high-tech, high-performance engines
NGK BKR7EIX Iridium IX Spark Plug
  • Unique design to guarantee the best possible performance
  • Wide range of different heat ratings for high thermal endurance
  • High-performance spark s
NGK Iridium Spark Plug (7385)
  • Master workshop
  • Evaluation profile
  • More articles
NGK Lfr6aix-11 Iridium IX Spark Plug
  • Nickel chip ground electrode
  • Better ignitability due to a small diameter centre electrode
  • Long service life (up to 60,000km)
NGK 5068 Spark Plug
  • Fine Iridium tip ensures high durability and a consistently stable spark
  • Iridium alloy has extremely high melting point, perfect for todays high-tech, high-performance engines
NGK Laser Iridium Spark Plug, SILZKR7B11
  • Package Dimensions: 11.43 H x 2.286 L x 3.048 W (centimeters)
  • Fit type: Vehicle Specific
  • Country of Origin : Japan

1. NGK 6046 Spark Plug-Iridium IX

NGK 6046 Spark Plug-Iridium IX

  • The ultimate in spark plug technology and performance from the industry leader
  • The iridium electrode is 25 percent smaller than a platinum electrode, which reduces voltage requirement and extends ignition life
  • New metal shell plating has enhanced anticorrosion qualities
  • Sold each

Check Latest Price

Sold By Price
Amazon.com – Seller
eBay – 1motoshop-com
CV Performance
Motardinn.com

Product Details

Specifications

Details
Assembled Product Weight 16 lbs
Assembled Product Dimensions (L x W x H) 5.00 x 5.00 x 5.00 Inches

Reviews From Real Customers

Sherman
Kevin S.

2. NGK Iridium Spark Plug – CR9EIA-9

NGK Iridium Spark Plug - CR9EIA-9

  • Cr9eia-9

Check Latest Price

Sold By Price
Amazon.com
eBay
AutoZone
Dennis Kirk

Product Details

Specifications

Details
Length 4 in
Height 0.9 in
Width 4 in

3. NGK 3932 Spark Plug – Dcpr7e

NGK 3932 Spark Plug - Dcpr7e

  • Super “Wide range” Plug.
  • New ceramics high Alumina porcelain is used for insulation.
  • Sturdy and excellent airtightness.
  • Insulation corrugation (Fold) Ensures insulation and prevents FLUSHOver.
  • During parking, high voltage is constantly applied between Terminal and the main Bracket.

Check Latest Price

Sold By Price
Amazon.com – Seller
eBay
Walmart
Dennis Kirk

Product Details

Specifications

Details
Vehicle 2014 Fiat 500 c Lounge 4 Cylinders 1.4L MFI SOHC
Vehicle 2014 Fiat 500 c Pop 4 Cylinders 1.4L MFI SOHC
Vehicle 2014 Fiat 500 Lounge 4 Cylinders 1.4L MFI SOHC
Vehicle 2014 Fiat 500 Pop 4 Cylinders 1.4L MFI SOHC
Vehicle 2014 Fiat 500 Sport 4 Cylinders 1.4L MFI SOHC
Vehicle 2015 Fiat 500 c Lounge 4 Cylinders 1.4L MFI SOHC
Vehicle 2015 Fiat 500 c Pop 4 Cylinders 1.4L MFI SOHC
Vehicle 2015 Fiat 500 Lounge 4 Cylinders 1.4L MFI SOHC
Vehicle 2015 Fiat 500 Pop 4 Cylinders 1.4L MFI SOHC
Vehicle 2015 Fiat 500 Sport 4 Cylinders 1.4L MFI SOHC
Vehicle 2016 Fiat 500 c Lounge 4 Cylinders 1.4L MFI SOHC
Vehicle 2016 Fiat 500 c Pop 4 Cylinders 1.4L MFI SOHC
Vehicle 2016 Fiat 500 c Easy 4 Cylinders 1.4L MFI SOHC
Vehicle 2016 Fiat 500 Easy 4 Cylinders 1.4L MFI SOHC
Vehicle 2016 Fiat 500 Lounge 4 Cylinders 1.4L MFI SOHC
Vehicle 2016 Fiat 500 Pop 4 Cylinders 1.4L MFI SOHC
Vehicle 2016 Fiat 500 Sport 4 Cylinders 1.4L MFI SOHC
Vehicle 2017 Fiat 500 c Lounge 4 Cylinders 1.4L MFI SOHC
Vehicle 2017 Fiat 500 c Pop 4 Cylinders 1.4L MFI SOHC
Vehicle 2017 Fiat 500 Lounge 4 Cylinders 1.4L MFI SOHC
Vehicle 2017 Fiat 500 Pop 4 Cylinders 1.4L MFI SOHC
Vehicle 2013 Chevrolet Spark LS 4 Cylinders 9 1.2L FI DOHC
Vehicle 2013 Chevrolet Spark LT 4 Cylinders 9 1.2L FI DOHC
Vehicle 2014 Chevrolet Spark LS 4 Cylinders 9 1.2L FI DOHC
Vehicle 2014 Chevrolet Spark LT 4 Cylinders 9 1.2L FI DOHC
Vehicle 2015 Chevrolet Spark LS 4 Cylinders 9 1.2L FI DOHC
Vehicle 2015 Chevrolet Spark LT 4 Cylinders 9 1.2L FI DOHC

4. NGK Laser Iridium Spark Plug – LMAR8BI-9

NGK Laser Iridium Spark Plug - LMAR8BI-9

  • Fine iridium tip ensures high durability and a consistently stable spark
  • Iridium alloy has extremely high melting point, perfect for todays high-tech, high-performance engines
  • Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
  • Outstanding acceleration, high fuel efficiency and durability
  • Ultimate design, technology and performance

Check Latest Price

Sold By Price
Amazon.com – Seller
eBay
Chaparral Motorsports
Green Spark Plug Co US

Product Details

Specifications

Details
Pre-Gap Size 0.9MM
Reach 1.043MM
Thread Diameter 10mm
Metal Type Iridium
Ground Electrode Tip Design Tapered

Reviews From Real Customers

betosalazar
iowajeff

5. NGK 94201 Laser Iridium Spark Plug

NGK 94201 Laser Iridium Spark Plug

  • Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
  • Corrugated ribs prevent flashover
  • Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
  • Copper core aids in heat removal
  • Triple seals prevent leakage

Check Latest Price

Sold By Price
Amazon.com
eBay
FCP Euro
Extreme Power House

Product Details

Specifications

Details
Vehicle 2015 Mini Cooper 3 Cylinders 1.5L DI Turbo DOHC
Vehicle 2017 Mini Cooper 3 Cylinders 1.5L DI Turbo DOHC
Vehicle 2018 Mini Cooper 3 Cylinders 1.5L DI Turbo DOHC
Vehicle 2019 Mini Cooper 3 Cylinders 1.5L DI Turbo DOHC
Vehicle 2015 Mini Cooper S 4 Cylinders 2.0L DI Turbo DOHC

Reviews From Real Customers

Grace O.

6. NGK 4548 Spark Plug – CR9EK

NGK 4548 Spark Plug - CR9EK

  • Corrugated Ribs to Prevent Flashover
  • Pure alumina silicate ceramic insulator, providing superior strength and better heat transfer
  • Copper core to aid in heat removal
  • Triple seals to prevent leakage

Check Latest Price

Sold By Price
Amazon.com
eBay
AutoZone
Dennis Kirk

Product Details

Specifications

Details
Length 3.2 in
Height 0.8 in
Width 3.2 in
Weight 0.2 lb

7. E3 Spark Plugs E3.36 Spark Plug

E3 Spark Plugs E3.36 Spark Plug

  • 36

Check Latest Price

Sold By Price
Amazon.com
eBay
Tractor Supply Company
J&P Cycles

Product Details

Specifications

Details
Weight 0.13 lb

Reviews From Real Customers

wle72
Your local mechanic
Duane

8. NGK CR7HIX Iridium Spark Plug

NGK CR7HIX Iridium Spark Plug

  • Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
  • Corrugated ribs prevent flashover
  • Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
  • Copper core aids in heat removal
  • Triple seals prevent leakage

Check Latest Price

Sold By Price
Amazon.com – Seller
eBay
AutoZone
Dennis Kirk

Product Details

Specifications

Details
Length 4 in
Height 0.9 in
Width 4 in
Weight 0.2 lb

Reviews From Real Customers

Roland
halfords.com

9. NGK 7994 Laser Iridium Spark Plug

NGK 7994 Laser Iridium Spark Plug

  • Unique design to guarantee the best possible performance
  • Wide range of different heat ratings for high thermal endurance
  • High-performance spars

Check Latest Price

Sold By Price
Amazon.com
eBay
AutoZone
Advance Auto Parts

Product Details

Specifications

Details
Vehicle 1995 Kia Sephia 4 Cylinders 1.6L MFI DOHC
Vehicle 2003 Hyundai Accent 4 Cylinders 1.6L MFI DOHC
Vehicle 1995 Kia Sephia 4 Cylinders 1.8L MFI DOHC
Vehicle 1999 Mazda Protege 4 Cylinders 1.8L MFI DOHC
Vehicle 2005 Hyundai Tucson 2WD 4 Cylinders 2.0L MFI DOHC

Reviews From Real Customers

Auto Enthusiast
CE

10. NGK 7164 Spark Plug

NGK 7164 Spark Plug

  • Fine Iridium Tip Ensures High Durability And A Consistently Stable Spark
  • Iridium Alloy Has Extremely High Melting Point, Perfect For Today’s High-Tech, High-Performance Engines
  • Trivalent Metal Plating Provides Superior Anti-Corrosion And Anti-Seizing Properties
  • Outstanding Acceleration, High Fuel Efficiency And Durability
  • Ultimate Design, Technology And Performance

Check Latest Price

Sold By Price
Amazon.com – Seller
eBay
Discount Bandit – Auto Part Emporium
Nightmotorsport

Product Details

Specifications

Details
Construction Resistor
Sold Unit
Spark number TR55IX
Assembled Product Weight 0.65 lbs
Assembled Product Dimensions (L x W x H) 4.02 x 3.46 x 0.91 Inches

11. NGK – 7823 – BPR4HS Spark Plug

NGK - 7823 - BPR4HS Spark Plug

  • Super “Wide range” Plug.
  • New ceramics high Alumina porcelain is used for insulation.
  • Sturdy and excellent airtightness.
  • Because it is joining the insulator and the main body Bracket with special powder, it is excellent in airtightness and strong in structure.

Check Latest Price

Sold By Price
Amazon.com
eBay
Walmart
AutoZone

Product Details

Specifications

Details
Length 12 in
Height 6 in
Width 8 in
Weight 4 lb

12. NGK 4469 Iridium IX Spark Plug

NGK 4469 Iridium IX Spark Plug

  • Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
  • Corrugated ribs prevent flashover
  • Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
  • Copper core aids in heat removal
  • Triple seals prevent leakage

Check Latest Price

Sold By Price
Amazon.com – Seller
eBay
AutoZone
Fleet Farm

Product Details

Specifications

Details
Vehicle 2014 Chrysler 300C 8 Cylinders T 5.7L FI OHV Hemi
Vehicle 2018 Chrysler 300 S 8 Cylinders T 5.7L FI OHV Hemi

13. NGK 4589 Spark Plug-Laser Iridium

NGK 4589 Spark Plug-Laser Iridium

  • High durability and greater spark
  • Long life provided by platinum disc welded to the backside of the ground electrode
  • Insulator nose prevents fouling, corrugated ribs prevent flashover, triple gasket seal eliminates combustion gas leak
  • Quicker acceleration and faster starts
  • Trivalent metal plating

Check Latest Price

Sold By Price
Amazon.com
eBay
Walmart
Discount Bandit – Auto Part Emporium

Product Details

Specifications

Details
Assembled Product Weight 10 lbs
Assembled Product Dimensions (L x W x H) 4.02 x 3.46 x 0.91 Inches

Reviews From Real Customers

dsc1
bill2406

14. NGK 6510 – LTR7IX-11 IX Iridium Spark Plug

NGK 6510 - LTR7IX-11 IX Iridium Spark Plug

  • You can depend on NGK for quality and reliability
  • Constructed from durable material
  • Fine Iridium tip ensures high durability
  • Features superior anti-corrosion and anti-seizing properties
  • Iridium alloy has extremely high melting point, perfect for today’s high-tech, high-performance engines

Check Latest Price

Sold By Price
Amazon.com
eBay
AutoZone
RallySport Direct

Product Details

Reviews From Real Customers

Wyatt H.
ANGEL
Gener

15. NGK IMR8C-9H Spark Plug

NGK IMR8C-9H Spark Plug

  • Fine Iridium tip ensures high durability and a consistently stable spark
  • Iridium alloy has extremely high melting point, perfect for todays high-tech, high-performance engines
  • Trivalent Metal Plating – superior anti-corrosion and anti-seizing properties
  • Outstanding acceleration, high fuel efficiency and durability
  • Ultimate design, technology and performance

Check Latest Price

Sold By Price
Amazon
eBay
Walmart
Cycle Gear

Product Details

Specifications

Details
Insulator Type Projected
Seat Type Flat
Wrench Diameter 5/8 Inch Hex

16. NGK BKR7EIX Iridium IX Spark Plug

NGK BKR7EIX Iridium IX Spark Plug

  • Unique design to guarantee the best possible performance
  • Wide range of different heat ratings for high thermal endurance
  • High-performance spark s

Check Latest Price

Sold By Price
Amazon
eBay
AutoZone
FCP Euro

Product Details

Specifications

Details
Vehicle 2008 Volkswagen GLI 4 Cylinders 2.0L FI Turbo DOHC
Vehicle 2011 Audi A4 4 Cylinders F 2.0L FI Turbo DOHC
Vehicle 1991 Audi 200 Quattro 5 Cylinders E 2.2L MFI Turbo
Vehicle 2008 Porsche 911 6 Cylinders 3.8L FI DOHC

17. NGK Iridium Spark Plug (7385)

NGK Iridium Spark Plug (7385)

  • Master workshop
  • Evaluation profile
  • More articles

Check Latest Price

Sold By Price
Amazon
eBay
Dennis Kirk
Advance Auto Parts

Product Details

Specifications

Details
Length 4 in
Height 0.9 in
Width 4 in
Weight 0.1 lb

Reviews From Real Customers

how3371.y8fsp
glennb2006

18. NGK Lfr6aix-11 Iridium IX Spark Plug

NGK Lfr6aix-11 Iridium IX Spark Plug

  • Nickel chip ground electrode
  • Better ignitability due to a small diameter centre electrode
  • Long service life (up to 60,000km)

Check Latest Price

Sold By Price
Amazon
eBay
AutoZone
West Marine

Product Details

Specifications

Details
Vehicle 2011 Suzuki Kizashi S 4 Cylinders 9 2.4L MFI DOHC
Vehicle 2013 Suzuki Kizashi SE 4 Cylinders 9 2.4L MFI DOHC
Vehicle 2004 Volvo S40 5 Cylinders 2.4L FI DOHC
Vehicle 2008 BMW Z4 6 Cylinders 3.0L FI DOHC
Vehicle 2015 Lexus RX350 2WD 6 Cylinders 3.5L FI DOHC

Reviews From Real Customers

azides
DIY Auto
fmspat

19. NGK 5068 Spark Plug

NGK 5068 Spark Plug

  • Fine Iridium tip ensures high durability and a consistently stable spark
  • Iridium alloy has extremely high melting point, perfect for todays high-tech, high-performance engines
  • Trivalent Metal Plating – superior anti-corrosion and anti-seizing properties
  • Outstanding acceleration, high fuel efficiency and durability
  • Ultimate design, technology and performance

Check Latest Price

Sold By Price
Amazon
eBay
Cycle Gear
RevZilla.com

Product Details

Specifications

Details
Make Yamaha
Model YXZ
Year 2212

20. NGK Laser Iridium Spark Plug, SILZKR7B11

NGK Laser Iridium Spark Plug, SILZKR7B11

  • Package Dimensions: 11.43 H x 2.286 L x 3.048 W (centimeters)
  • Fit type: Vehicle Specific
  • Country of Origin : Japan
  • Package Weight: 0.045 kilograms

Check Latest Price

Sold By Price
Amazon
eBay
Walmart
A-1 Racing Products

Product Details

Specifications

Details
Product Dimensions 3.7 x 0.94 x 0.83 inches
Is Discontinued By Manufacturer No

Conclusion

The conclusion of spark plugs for harley davidson evo is that they are an essential part of the motorcycle and are necessary for it to function properly.

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