Best Spark Plugs For Harley Twin Cam for 2023 (TOP 15)

Sometimes it might be quite difficult to find the best spark plugs for harley twin cam. With every niche market offering so many different products, it makes sense that this is the case.

Unfortunately, this very fact can make it incredibly difficult to find the item that best suits your needs, which is why we’ve put together this spark plugs for harley twin cam buying guide.

Our Top 15 Recommendations:

#PreviewProduct
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)
2 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...
3 Chrome Spark Plug Head Bolt Covers For Harley Dyna Softail Twin Cam 99-17 Model Chrome Spark Plug Head Bolt Covers For Harley Dyna Softail Twin Cam 99-17 Model
4 NGK # 6046 Iridium Spark Plugs -- DCPR7EIX -- for Harley-Davidson Twin Cam and XL --- 4 PCS NEW NGK # 6046 Iridium Spark Plugs -- DCPR7EIX -- for Harley-Davidson Twin Cam and XL --- 4 PCS NEW
5 NGK Spark Plugs 6046 Iridium IX Spark Plug for Harley-Davidson Twin Cam and XL NGK Spark Plugs 6046 Iridium IX Spark Plug for Harley-Davidson Twin Cam and XL
6 Iridium Performance Spark Plugs Pair for Harley Softail Slim Twin Cam repl. Harley# 6R12 Iridium Performance Spark Plugs Pair for Harley Softail Slim Twin Cam repl. Harley# 6R12
7 Accel 2418 Spark Plugs (Pair) 6R12 for Harley Davidson Twin Cam Accel 2418 Spark Plugs (Pair) 6R12 for Harley Davidson Twin Cam
8 HDBUBALUS Motorcycle Head Bolt Cover Spark Plug Cap Fit for Harley Twin Cam Dyna Big Twin Evolution 1340 Sportster XL 1999-2017 4PCS HDBUBALUS Motorcycle Head Bolt Cover Spark Plug Cap Fit for Harley Twin Cam Dyna Big Twin Evolution...
9 XMMT 4Pcs Motorcycle Spark Plugs Head Bolt Cover for Harley Sportster 1986-2018 /Twin Cam 1999-2017 /Big Twin 1340 Evo 1985-1999,Black XMMT 4Pcs Motorcycle Spark Plugs Head Bolt Cover for Harley Sportster 1986-2018 /Twin Cam 1999-2017...
10 YHMTIVTU Motorcycle Spark Plug Head Bolt Covers Fit for Harley Dyna Softail Touring Twin Cam 1999-2017 YHMTIVTU Motorcycle Spark Plug Head Bolt Covers Fit for Harley Dyna Softail Touring Twin Cam...
11 2x Aluminum Alloy Spark Plugs Cover Head Bolt + Mounting Screw compatible with Harley 1999-2017 Motorcycles Twin Cam models Dyna Softail Touring 2x Aluminum Alloy Spark Plugs Cover Head Bolt + Mounting Screw compatible with Harley 1999-2017...
12 HDBUBALUS Motorcycle Head Bolt Cover Spark Plug Cap Fit for Harley Twin Cam Dyna Big Twin Evolution 1340 Sportster XL 1999-2017 4PCS HDBUBALUS Motorcycle Head Bolt Cover Spark Plug Cap Fit for Harley Twin Cam Dyna Big Twin Evolution...
13 HDBUBALUS Left&Right Chrome Spark Plug Head Bolt Covers Fit for Harley Dyna Softail Touring Twin Cam 1999-2017 HDBUBALUS Left&Right Chrome Spark Plug Head Bolt Covers Fit for Harley Dyna Softail Touring Twin Cam...
14 Kuryakyn 8323 Motorcycle Accent Accessory: Scorpion Spark Plug/Head Bolt Covers for 1999-2017 Harley-Davidson Twin Cam Engine Motorcycles, Chrome, 1 Pair , black Kuryakyn 8323 Motorcycle Accent Accessory: Scorpion Spark Plug/Head Bolt Covers for 1999-2017...
15 AQIMY Motorcycle Spark Plug Head Bolt Cover for Harley Softail Dyna Twin Cam 1999-2017 AQIMY Motorcycle Spark Plug Head Bolt Cover for Harley Softail Dyna Twin Cam 1999-2017

Our Favorite Spark Plugs For Harley Twin Cam Reviews:

Bestseller No. 2
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. 3
Chrome Spark Plug Head Bolt Covers For Harley Dyna Softail Twin Cam 99-17 Model
  • Condition:100% Brand New
  • Surface Finish: Chrome
  • Fitment:1999-2017 Harley Twin Cam Models
  • Package Include: 1Pair Spark Plug Covers
Bestseller No. 4
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
Bestseller No. 5
NGK Spark Plugs 6046 Iridium IX Spark Plug for Harley-Davidson Twin Cam and XL
  • NGK Spark Plug
  • New NGK IRIDIUM IX
  • NGK Spark Plug # DCPR7EIX (6046)
  • Pack of 1
SaleBestseller No. 6
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 and replaces Harley# 6R12 / NGK# DCPR7EIX
Bestseller No. 7
Accel 2418 Spark Plugs (Pair) 6R12 for Harley Davidson Twin Cam
  • Accel High Performance spark plugs for Harley-Davidson
  • Suitable for all Harley Davidson Twin Cam 1450/1550cc models from 1999 up
  • Spark plugs produce a larger spark for more power at high RPMs. Improves throttle response and fuel economy with less fouling
  • Accel number 2418, replaces OEM part 6R12
  • Sold in pairs
Bestseller No. 8
HDBUBALUS Motorcycle Head Bolt Cover Spark Plug Cap Fit for Harley Twin Cam Dyna Big Twin Evolution 1340 Sportster XL 1999-2017 4PCS
  • Material:Aluminum,Used for the head bolts on spark plugs
  • Color: Anodized Black
  • Fitment:Fits for Harley all Twin Cam models 1999-Later, Big Twin 1340 Evo Models 1985-1999, All Sportster 1986-Later
  • Outside Diameter: 28mm (1 1/8"), Inside Diameter: 15mm (9/16")
  • Package includes 4*Head Bolt Nut Covers
Bestseller No. 9
XMMT 4Pcs Motorcycle Spark Plugs Head Bolt Cover for Harley Sportster 1986-2018 /Twin Cam 1999-2017 /Big Twin 1340 Evo 1985-1999,Black
  • Fitment: Fir for Harley all Twin Cam models 1999-Later, Fit for Big Twin 1340 Evo Models 1985-1999, Fit for all Sportster models 1986-Later.
  • Package included: 4x Head Bolt/Nut Covers ; Note: Please check the Size before you purchase
  • Outside Diameter: 28mm (1 1/8"), Inside Diameter: 15mm (9/16")
  • They are for the head bolts on either side of the spark plugs.
  • Warranty:XMMT store offer 24 hours customer service and 30 days warranty. If you meet any problem about installation and items, please feel free to contact us.
Bestseller No. 10
YHMTIVTU Motorcycle Spark Plug Head Bolt Covers Fit for Harley Dyna Softail Touring Twin Cam 1999-2017
  • Material:Aluminum
  • Add a Classy Touch to your Engine,Hold in Position with Set Screws,Ensuring Rattle-free Performance
  • Color:Chrome
  • Fitment:Fit for Harley Twin Cam Models 1999-2017
  • Package Include: 1 Pair of Spark Plug Cover with Bolts
Bestseller No. 11
2x Aluminum Alloy Spark Plugs Cover Head Bolt + Mounting Screw compatible with Harley 1999-2017 Motorcycles Twin Cam models Dyna Softail Touring
  • Compatible with 1999-2017 Harley Twin Cam Models
  • Package Includes: Set of Spark Plug Head Bolt Covers + Set of Mounting Screws
  • Made of High-Quality Aluminum Alloy Cover
  • Custom Design with Stepped and Slotted
  • Direct replacement, Easy installation.
Bestseller No. 12
HDBUBALUS Motorcycle Head Bolt Cover Spark Plug Cap Fit for Harley Twin Cam Dyna Big Twin Evolution 1340 Sportster XL 1999-2017 4PCS
  • Material:Aluminum,Used for the head bolts on spark plugs
  • Color: Anodized Black
  • Fitment:Fits for Harley all Twin Cam models 1999-Later, Big Twin 1340 Evo Models 1985-1999, All Sportster 1986-Later
  • Outside Diameter: 28mm (1 1/8"), Inside Diameter: 15mm (9/16")
  • Package includes 4*Head Bolt Nut Covers
SaleBestseller No. 13
HDBUBALUS Left&Right Chrome Spark Plug Head Bolt Covers Fit for Harley Dyna Softail Touring Twin Cam 1999-2017
  • Add a classy touch to your engine,Held in position with set screws,ensuring rattle-free performance
  • Color: Chrome
  • Style: Spark Plug Cover
  • Fitment:1999-2017 Harley Twin Cam Models,Dyna ,Softail,Touring
  • Package Include: 1 Pair Spark Plug Cover
SaleBestseller No. 14
Kuryakyn 8323 Motorcycle Accent Accessory: Scorpion Spark Plug/Head Bolt Covers for 1999-2017 Harley-Davidson Twin Cam Engine Motorcycles, Chrome, 1 Pair , black
  • 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
Bestseller No. 15
AQIMY Motorcycle Spark Plug Head Bolt Cover for Harley Softail Dyna Twin Cam 1999-2017
  • 🍀【Applicable Model】: Suit for Harley 1999-2017 Twin Cam Engines.
  • 🍀【Perfect Accessory】: Vents on top and back allow Harley engine to dissipate heat efficiently, sleek chrome covers add a classy touch to the Twin Cam engine.
  • 🍀【Easy to Install】: With this design, the spark plugs can be removed without taking the covers off, easily to install without instructions, included fixing bolting.
  • 🍀【Stability】: Covers held securely in place with hidden set screws, ensuring rattle-free performance.
  • 🍀【Premium Quality】: Made of top quality lightweight Aluminum Alloy, high class quality and very durable

Last update on 2023-02-05 / Affiliate links / Images from Amazon Product Advertising API

How to find the best spark plugs for harley twin cam?

Here, we’ll be going over a number of factors that you can use to ensure that you’re purchasing the best spark plugs for harley twin cam for you.

Regardless of which type of item you’re looking to buy, chances are that there are existing buying guides on the internet, all of which aim to give you good spark plugs for harley twin cam recommendations.

Despite these recommendations, however, it’s always a good idea to do your own research. In addition to this research, asking yourself the following questions is also super helpful:

  • What features does the spark plugs for harley twin cam need to have to be perfect for my needs?
  • What is my budget?
  • Do I need to purchase a certain brand?

Once you’ve answered these questions and have a good idea of what you’re looking for and the buying process becomes much easier. Keep in mind that when looking for the best product, there’s no need to rush. In fact, very rarely are the ideal products found by choosing the first one you see or by basing your decisions on only one factor. Take your time and enjoy the process!

Now, with the answers to the previous questions in mind, we urge you to use our upcoming buying guide for spark plugs for harley twin cam to find what you’re looking for:

Brand

In some cases, the brand of spark plugs for harley twin cam is very important. For example, if you’re looking for an item that works in tandem with another, you might very well need both products to be the same brand. If this is the case, it’s vital to pay attention to this factor, as choosing the wrong product can mean the difference between wasting your money and buying a great product that functions as it should.

Features

The features in any given spark plugs for harley twin cam are important because they can dictate which version of an item you need and how much money you need to spend. Consider all the key features that you want your item to have and don’t settle for anything that doesn’t check at least ¾ of your boxes.

Reviews

Customer reviews about spark plugs for harley twin cam are crucial – especially when you’re buying a product that costs a lot of money or serves a big importance. Luckily, most products can be found online, which means that it’s common for there to be scores of customer reviews from those who have already purchased any given product.

Pay attention to these reviews. Take note of the pros and cons that they mention, and factor these into your big decision. In some cases, you’ll be forced to sacrifice one con in order to gain a particular pro, but being aware of the potential con is going to be beneficial in either case.

Quality

Of course, quality is key. You don’t want to purchase a low-quality product. If you do, you run the risk of your item breaking, not working properly, or otherwise proving to be very disappointing, as well as a waste of money.

You can compare spark plugs for harley twin cam quality by researching what your potential purchases are made from, contrasting the individual items against each other to discern which one is made of the best materials.

Warranty

Warranty isn’t always going to be important, but it definitely can be. This is especially true if the item in question is tech-related or expensive. A good warranty will be valid for an extended time after purchase and cover a variety of problems ranging from item defects to random accidents, water damage, and other miscellaneous events that could ruin your product.

Conclusion

The quest to find the best spark plugs for harley twin cam can be daunting – but it doesn’t have to be. It can be made much easier by asking yourself a few simple questions and then thinking critically about the items you want to buy. Consider their features, quality, brand, warranty, and customer reviews and you’re more likely to make a great purchase.