Best Harley Spark Plugs - April 2024

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

Gain up to 3HP just by using these plugs! • The ultimate in spark plug technology and performance from the industry leader • 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 • New metal shell plating has enhanced anticorrosion qualities • Come pre-gapped

• ASIN: B003BUCNNS
• UPC: 700155016542
• ASIN: B003BUCNNS
• Brand: NGK
• Manufacturer: NGK

NGK 6046 PK2 DCPR7EIX Iridium IX Spark Plugs

NGK Iridium IX Spark Plugs - Pack of 2

• ASIN: B003BUCSAG
• UPC: 700155016559
• ASIN: B003BUCSAG
• Brand: NGK
• Manufacturer: NGK

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

• ASIN: B0022ZAFOC
• UPC: 172303029771
• ASIN: B0022ZAFOC
• Brand: E3 Spark Plugs
• Manufacturer: E3 Spark Plugs

ACCEL 172086 8.8mm Yellow Custom Fit Spark Plug Wire Set

ACCEL 8.8mm Yellow Custom Fit Spark Plug Wire Sets come ready to install with high-capacity spiral-core conductors, fiberglass-braid covers, and extra-thick silicone jackets in classic ACCEL yellow. They feature factory-installed positive-locking stainless steel terminals with high-dielectric-strength silicone boots for optimum insulation on the plug end and high-conductivity brass terminals on the coil end. Engineered for street or race applications, these custom-fit wire sets are ideal for Sportster 1100s, Sportster 883 Huggers, Sportster 1200s, Sportster 883 Deluxes, Sportster 883s, and Spo... [Read More]

• ASIN: B001OMKGNE
• UPC: 743047942475
• ASIN: B001OMKGNE
• Brand: ACCEL
• Size: n/a
• Manufacturer: ACCEL

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 Replaces Harley# 6R12 / NGK# DCPR7EIX (2) Spark plugs Resister type 5/8" Hex 11/16" Thread reach / 12mm Thread diameter Projecting insulator type / Removable terminal nut

• ASIN: B073V26GYW
• ASIN: B073V26GYW
• Brand: Orange Cycle Parts
• Manufacturer: Aftermarket

CHROME FINNED SLOTTED HEAD BOLT SPARK PLUG COVERS FOR HARLEY TOURING STREET GLIDES KING FLHX FLHR

Features: --Condition:100% Brand New --Quantity: 1 Pair (Left & Right) --Color: Chrome --Material: High Quality Billet Aluminum --Take your motor to the next level with the hottest head bolt covers around. Featuring a stepped & slotted design to complement the engine. --Direct replacement, Easy installation. Item Fitment: 1999-2014 Electra Glides 1999-2014 Street Glides 1999-2014 Road Kings 2009-2014 Trikes 2009-2013 Road Glides

• ASIN: B07783DBV4
• ASIN: B07783DBV4
• Brand: Rudyness
• Manufacturer: Rudyness

E3 Spark Plug E3.34 Powersports Spark Plug, Pack of 1

• ASIN: B0022ZCI7Y
• UPC: 753167415506
• ASIN: B0022ZCI7Y
• Brand: E3 Spark Plugs
• Manufacturer: E3 Spark Plugs

NGK # 6046 Iridium Spark Plugs -- DCPR7EIX -- for Harley-Davidson Twin Cam and XL --- 4 PCS * NEW *

• ASIN: B00MG79MX6
• UPC: 014575182115
• ASIN: B00MG79MX6
• Brand: NGK
• Manufacturer: NGK Spark Plugs

Harley Davidson 5R6A Spark Plug Pack of 4

Harley Davidson Spark Plug.

• ASIN: B07PFR5Y8G
• UPC: 733469802495
• ASIN: B07PFR5Y8G
• Brand: HarleyDavidson5R6A
• Manufacturer: HarleyDavidson5R6A

ACCEL 171097-R 8mm Red Spark Plug Wire

ACCEL 8mm Red Spark Plug Wire Sets feature extra-thick silicone jackets and insulation to eliminate electrical leakage and the RFI interference that can interrupt sensitive electronic ignitions. These durable, reliable wire sets have a special aramid core and fiberglass braiding to resist vibration and wire stretch, can withstand temperatures up to 500 degrees, are compatible with both fuel-injected and carbureted engines, and deliver up to five times more energy to the spark plug than OEM wires.

• ASIN: B001OMKGE8
• UPC: 743047106204
• ASIN: B001OMKGE8
• Brand: ACCEL
• Manufacturer: ACCEL

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 Replaces Harley# 6R12 / NGK# DCPR7EIX (2) Spark plugs Resister type 5/8" Hex 11/16" Thread reach / 12mm Thread diameter Projecting insulator type / Removable terminal nut

• ASIN: B073V28VQX
• ASIN: B073V28VQX
• Brand: Orange Cycle Parts
• Manufacturer: Aftermarket

Chrome Slotted Covers For Spark Plug-Head For Harley Street FLHR/T/X FLTR 09-13

Overview:Take your motor to the next level with the hottest head bolt covers around. Featuring a stepped & slotted design to complement the engine. The chrome version also features faceted edges to catch & reflect light for an incredible shine. Installation takes just minutesFeatures:Made of High-Quality Aluminum AlloyCustom Design with Stepped and SlottedUpgrade your bike with a more attractive look!Direct replacement, Easy installation.Condition:100% Brand NewColor:ChromeMaterial:Aluminum AlloyWeight: 200gFitment:1999-2014 Electra Glides1999-2014 Street Glides1999-2014 Road Kings2009-2014 Tr... [Read More]

• ASIN: B074TJTTVN
• UPC: 740812285928
• ASIN: B074TJTTVN
• Brand: HAPPY-MOTOR
• Size: adult
• Manufacturer: HAPPY-MOTOR

Harley-Davidson Softail Slim Twin Cam Performance Spark Plugs Pair repl. OEM# 6R12

Performance Spark Plugs for Harley Twin Cam 2000-2017

• ASIN: B00ZPNJ9J0
• UPC: 790566140226
• ASIN: B00ZPNJ9J0
• Brand: Orange Cycle Parts
• Manufacturer: Aftermarket

ACCEL ACC 172086K 8.8mm Black Custom Fit Spark Plug Wire Set

ACCEL 8.8mm Black Custom Fit Spark Plug Wire Sets come ready to install with high-capacity spiral-core conductors, fiberglass-braid covers, and extra-thick black silicone jackets. They feature factory-installed positive-locking stainless steel terminals with high-dielectric-strength silicone boots for optimum insulation on the plug end and high-conductivity brass terminals on the coil end. Engineered for street or race applications, these custom-fit wire sets are ideal for Sportster 1100s, Sportster 883 Huggers, Sportster 1200, Sportster 883 Deluxes, Sportster 883s, and Sportster 1200 Customs ... [Read More]

• ASIN: B001KO5BRM
• UPC: 743047942482
• ASIN: B001KO5BRM
• Brand: ACCEL
• Size: One Size
• Manufacturer: ACCEL

NGK (6046) DCPR7EIX Iridium IX Spark Plug, Pack of 1

Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling. The 0.6mm laser welded fine iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical quenching effect. Longer insulator nose prevents fouling, the corrugated ribs on insulator prevents flashover, and a triple gasket seal eliminates combustion gas leakage. Iridium alloy has extremely high melting point, giving it high durability to heat and electrical wear, perfect for today's high-per... [Read More]

• ASIN: B000LQMYZC
• UPC: 087295160466
• ASIN: B000LQMYZC
• Brand: NGK
• Size: One Size
• Manufacturer: NGK

Iridium IX DCPR7EIX Spark Plugs for 1999-2016 Harley Davidson Twin Cam (Pair), Come pre-gapped By NGK

All of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world. Gain up to 3HP just by using these plugs! • The ultimate in

• UPC: 713540163

Iridium Spark Plugs for Harley Twin Cam & Sportster 1999 - 2017 (2 Pack) by NGK 6046 DCPR7EIX, Ultimate design, technology and performance 6046 DCPR7EIX Iridium Spark.., By Orange Cycle Parts

All of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world. NGK 6046 DCPR7EIX Iridium Spark Plugs Designed specifically for the performance enthusiast, Iridium

• UPC: 191493720

Accel Black 8.8mm Spark Plug Wire Set,for Harley Davidson,by Accel

Accel spark plug wire set is 8.8mm black 300+ type.Sold as: SETCountry of origin: USAVT No: 32-9103Accel part# 175082FITS THE FOLLOWING BIKE APPLICATIONS1982-1994 Harley-Davidson FXR1982-1994 Harley-Davidson FXR1982-1994 Harley-Davidson FXRT1984-1994 Harley-Davidson FXST1986-1994 Harley-Davidson FLST1982-1994 Harley-Davidson FXRT1982-1999

• UPC: 546710663
• Model: 32-9103

Champion Spark Plugs Copper Plus,for Harley Davidson,by Champion

Copper plus style Champion spark plugs have a gap of .040 .Sold as: PKCountry of origin: USAVT No: 32-7547Champion part# 810FITS THE FOLLOWING BIKE APPLICATIONS1999-UP Harley-Davidson FXST1999-UP Harley-Davidson FLST1999-2016 Harley-Davidson FLT1999-2017 Harley-Davidson FXD1999-UP Harley-Davidson

• UPC: 182078183
• Model: 32-7547

Iridium IX DCPR7EIX Spark Plugs for 1986-2016 Harley Davidson Sportster XL (Pair), Come pre-gapped By NGK

All of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world. Gain up to 3HP just by using these plugs! • The ultimate in

• UPC: 247591317

NGK Iridium Sparkplug BPR5EIX-11 for Harley-Davidson Super Glide Low Rider Belt FXSB 1983-1985

Laser Iridium spark plugs provide superior ignitability and long service life. Smallest tip diameter available Iridium surfaces ensure slow wear rate providing stable idle, superior anti-fouling, improved fuel efficiency and lower

• UPC: 661845487
• Model: NGK2626

Orange Copper Core 7mm Spark Plug Wire Kit,for Harley Davidson,by V-Twin

Universal spark plug wire kit is 40 long with double 90° spark boots.Spark plug wire kit is orange 7mm copper core type. Simply cut to the desired length and install supplied coil terminal clips.Sold as:

• UPC: 752681230
• Model: 32-0650

Accel U-Groove Spark Plug Set,for Harley Davidson,by Accel

Accel spark plug set is U-Groove type which features a U-shaped electrode sintered alumina insulator and a copper/ nickel alloy electrode. Spark plug gap measures .040.Sold in a quantity of 2.Sold as: SETCountry of origin:

• UPC: 357493017
• Model: 32-0148

Champion Spark Plugs Copper Plus,for Harley Davidson,by Champion

Copper plus style Champion spark plugs have a gap of .040 .Sold as: PKCountry of origin: USAVT No: 32-7545Champion part# 814FITS THE FOLLOWING BIKE APPLICATIONS1979-1985 Harley-Davidson

• UPC: 135293489
• Model: 32-7545

Accel Yellow 8.8mm Spark Plug Wire Set,for Harley Davidson,by Accel

Accel spark plug wire set is a yellow 8.8mm ignition wire set for XL models and custom fit applications.Sold in a quantity of 2.Sold as: SETCountry of origin: USAVT No: 32-0659Accel part# 172075FITS THE FOLLOWING

• UPC: 774633063
• Model: 32-0659