Contents
The Best Harley Davidson Spark Plugs of 2023 – Reviewed and Top Rated
2,422 Reviews Scanned
- 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
- 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
- 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
- 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
- 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
- Harley Electra Glide Classic
- 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
- 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
- PATENTED TECHNOLOGY: DiamondFIRE ground electrode is secured to the shell with 2 legs that help facilitate optimal heat transfer and 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
- WHAT'S INCLUDED: One (1) E3.34 spark plug with a 90-day warranty. Features 14mm thread diameter; 0.750-inch thread reach plug with gasket seat; 13/16-inch hex size
- REPLACES: Champion RN9YC, RN11YC, and RN12YC; NGK BPR5ES, BPR6ES, BPR7ES, and BR5ES
- Spark plug and head bolt covers add a classy touch to your engine
- Durable designed in chrome
- Held in position with set screws; Ensures rattle-free performance
- Includes (1) set of Scorpion head bolt covers
- Compatible with Harley-Davidson models: '99-'17 Twin Cam Engines
- 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
- Harley Sportster XLH 883
- 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
- Road King Twin Cam 2000-2020
- 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
- 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.
- 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
- Fills the gap between the upper cylinders for a clean, custom appearance; Completes the area around the base of plugs, head bolts, and surrounding areas
- Features a stunning stepped design; Styled to coordinate with the entire Precision line of engine covers for the Milwaukee-Eight engine
- Constructed of durable die-cast aluminum with premium finish
- Includes (2) chrome spark plug covers; Suggested for installation (not included): hex key set
- Compatible with Harley-Davidson models: '17-'19 Electra Glides, Road Glides, Road Kings, Street Glides, Trikes, and '18-'19 Softail
- Iridium IX Spark Plugs
- 1order = 4 Pieces
- DCPR7EIX 97637 is the newest number.
- NGK is the world's largest supplier of OEM spark plugs
- Designed to operate over a much wider heat range than ordinary plugs
- Resists carbon buildup and pre-ignition
- High alumina ceramics for better heat transfer and electrical insulation
- Solid copper core and nickel tipped electrode provide a longer plus life
- Patented triple gasket sealing process eliminates the possibility of combustion gas leakage
Last update on 2021-10-29 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API
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FAQ:
Q: What kind of spark plugs do Harley Davidson use?
A: NGK Harley Spark Plugs To keep your Harley V-twin firing right, you gotta have the proper spark. NGK Harley-Davidson spark plugs are specially made with exact specifications and rigid quality control to be the perfect match for Harley engines, With NGK Harley spark plugs your bike delivers all the horsepower and torque it’s supposed to.
Q: Which is the best spark plug for a Harley Davidson Twin Cam 88?
A: 2. E3.36 – E3 Spark Plugs for Harley Davidson Twin Cam 88 In contrast to the NGK mentioned above, the E3 Spark Plug E3.36 is a spark plug that can punch well above its weight in a tuned or modified engine. Unlike the iridium plug of the NGK, the E3 uses a yttrium-enhanced alloy for its electrode surface.
Q: What happens if you use the wrong spark plug?
A: If you choose the wrong plug for the job, your spark plug can begin to function as a glow plug instead. This will combust fuel at the wrong moment, impacting performance or destroying your engine. In testing, the metallurgy of this plug has been shown to result in temperatures up to 8% cooler.