USA Motorcycling

So, you're looking to rev up your Fat Bob's performance? The spark plugs you choose can make a significant difference in how your motorcycle handles. But with so many options out there, how do you know which ones are truly the best for your bike? Well, sit tight as we uncover the top 7 spark plugs that are tailored to boost your Fat Bob's performance and take your riding experience to the next level.

Key Takeaways

• Choose NGK Iridium IX DCPR7EIX plugs for enhanced performance in Harley Davidson Twin Cam models.
• Consider NGK 6046 DCPR7EIX for durability and efficient conductivity in Fat Bob models.
• Opt for NGK CR9EIX for superior quality and reliability across various vehicle models.
• NGK BR8EIX spark plugs balance performance and longevity, often specified as original equipment.
• NGK Iridium Spark Plugs with high ratings and direct replacement for improved ignition in limited quantities.

NGK 6046 DCPR7EIX Spark Plug (Pack of 2)

For motorcycle enthusiasts seeking enhanced performance, the NGK 6046 DCPR7EIX Spark Plug (Pack of 2) stands out as a top choice for Fat Bob models. Manufactured by NGK, these spark plugs feature a core material of copper and a top material type of metal, ensuring durability and efficient conductivity.

With a thread size of 12mm x 19mm, these spark plugs are designed to fit perfectly in Fat Bob models, contributing to improved ignition and overall engine performance. The NGK 6046 spark plugs have garnered a high rating of 4.6 out of 5 stars from 1,269 customer reviews, reflecting the satisfaction and trust of users in the product.

With its special features and proven track record, the NGK 6046 DCPR7EIX Spark Plug is a reliable choice for riders looking to enhance their Fat Bob's performance.

Best For: Motorcycle enthusiasts seeking enhanced performance for their Fat Bob models.

Pros:

• Durable spark plugs with core material made of copper.
• Efficient conductivity due to the top material type being metal.
• Designed with a thread size of 12mm x 19mm for perfect fit in Fat Bob models.

Cons:

• May not be compatible with all motorcycle models.
• Priced slightly higher compared to standard spark plugs.
• Limited availability in certain regions.

https://www.amazon.com/dp/B003BUCSAG?tag=theseasonedwr-20

NGK Iridium IX DCPR7EIX Spark Plugs for Harley Davidson Twin Cam

Enhancing performance and fuel efficiency, the NGK Iridium IX DCPR7EIX Spark Plugs are the ideal choice for riders seeking peak performance in their Harley Davidson Fat Bob motorcycles.

Specifically designed for 1999-2016 Harley Davidson Twin Cam models, these spark plugs come pre-gapped for convenience.

The iridium electrode technology not only enhances performance but also improves fuel efficiency. With an ultra-small diameter center electrode that reduces voltage requirement, riders can expect improved starting and smoother running.

The spark plugs feature a new metal shell plating with enhanced anti-corrosion qualities, ensuring durability and longevity.

Boasting a high customer satisfaction rating of 4.7 out of 5 stars from 4,202 ratings, these NGK spark plugs are highly recommended for their performance, fit, and quality.

Best For: Riders of Harley Davidson Fat Bob motorcycles seeking peak performance and improved fuel efficiency.

Pros:

• Pre-gapped for convenience
• Enhanced performance with iridium electrode technology
• Improved starting and smoother running with ultra-small diameter center electrode

Cons:

• Specific compatibility with 1999-2016 Harley Davidson Twin Cam models
• Potential higher price compared to standard spark plugs
• Limited availability for other motorcycle models

https://www.amazon.com/dp/B003BUCNNS?tag=theseasonedwr-20

NGK CR9EIX – Iridium IX Spark Plug – 4-Pack/–

Ideal for riders seeking enhanced performance, the NGK CR9EIX – Iridium IX Spark Plug – 4-Pack provides superior quality and reliability for Fat Bob motorcycles.

Manufactured by NGK, these iridium spark plugs, model CR9EIX, weigh 4.5 ounces and measure 3.31 x 0.94 x 3.32 inches. With a manufacturer part number of 3521, these spark plugs have garnered positive feedback, boasting a 4.8 out of 5-star rating from 149 reviews.

They rank #19,877 in Automotive and #98 in Automotive Replacement Spark Plugs on Amazon. Customers have praised their performance on various vehicles like Kawasaki JetSki, Harley Deluxe, and Suzuki Bandit.

Additionally, users have reported easy installation and improved overall performance, making the NGK CR9EIX spark plugs a reliable choice for Fat Bob riders.

Best For: Riders looking to enhance performance and reliability on Fat Bob motorcycles.

Pros:

• Superior quality and reliability.
• Positive customer feedback and high ratings.
• Compatible with various vehicle models.

Cons:

• Limited warranty information provided.
• May be slightly pricier compared to standard spark plugs.
• May require specific tools for installation.

https://www.amazon.com/dp/B004SKYAWM?tag=theseasonedwr-20

NGK (5044) BR8EIX Spark Plug – Pack of 4

With its reputation as the world's largest supplier of OEM spark plugs, the NGK (5044) BR8EIX Spark Plug – Pack of 4 offers a high-quality combination of performance and longevity for Fat Bob enthusiasts.

Often specified as original equipment, this spark plug is known for its quality, reliability, and durability. It's recommended to research applications prior to purchase to confirm compatibility with your Fat Bob.

Technical details such as manufacturer, brand, weight, dimensions, and model number can be found to assist in making an informed decision.

With a 4.6 out of 5 stars rating from 59 customer reviews, this spark plug ranks well among automotive replacement spark plugs.

Consider the NGK (5044) BR8EIX Spark Plug for improved performance and longevity in your Fat Bob.

Best For: Fat Bob enthusiasts seeking a high-quality spark plug with a balance of performance and longevity.

Pros:

• Often specified as original equipment
• Offers a best combination of performance and longevity
• Quality, reliability, and durability

Cons:

• Researching applications prior to purchase is recommended
• Availability may vary in online and offline stores
• Sign-in requirement for providing feedback

https://www.amazon.com/dp/B00BRBVTBK?tag=theseasonedwr-20

NGK 6955 CR9EB Standard Spark Plug, 4 Pack

For motorcycle enthusiasts seeking reliable and high-performance spark plugs, the NGK 6955 CR9EB Standard Spark Plug, 4 Pack offers a durable and efficient solution. This spark plug is often specified as original equipment, highlighting its reputation for quality.

With a core material made of copper and a top material type of nickel, the NGK 6955 CR9EB provides the best combination of performance and longevity. Designed with a 14mm thread size, this spark plug is suitable for personal watercraft applications.

Customers have rated it highly, with positive feedback on fit, performance, and quality. While most users are satisfied, it's advisable to check the gap before installation to ensure top-notch performance.

Overall, the NGK 6955 CR9EB Standard Spark Plug, 4 Pack proves to be a popular choice among riders looking for a dependable spark plug option.

Best For: Riders of personal watercraft seeking a reliable and high-performance spark plug solution.

Pros:

• Often specified as original equipment
• Best combination of performance and longevity
• Positive customer feedback on fit, performance, and quality

Cons:

• Some users recommend checking the gap before installation
• One user reported a manufacturing defect
• Limited vehicle service type to personal watercraft applications

https://www.amazon.com/dp/B00TD6DBXU?tag=theseasonedwr-20

BPR6ES NGK Spark Plug for Honda Engines & Other Small Engines

The BPR6ES NGK Spark Plug is a top choice for enhancing performance in Honda engines and other small engines utilized in the Fat Bob motorcycles. Known for being frequently specified as original equipment, NGK is a reputable brand as the world's largest supplier of OEM spark plugs.

This spark plug is manufactured with a solid copper core and a triple-gasket sealing process, ensuring durability and reliability. With a weight of 0.01 ounces and dimensions of 1 x 1 x 4 inches, it offers a compact yet powerful solution for engine performance.

Rated 4.8 out of 5 stars based on 1,066 ratings, the BPR6ES spark plug has gained popularity among customers for its consistent performance, superior conductivity, and heat dissipation capabilities.

Best For: Customers looking for a reliable and high-performance spark plug for Honda engines and other small engines.

Pros:

• Original equipment specification by NGK, the world's largest supplier of OEM spark plugs.
• Manufactured with a solid copper core and triple-gasket sealing process for durability.
• Consistent performance, superior conductivity, and effective heat dissipation capabilities.

Cons:

• Some users may find the price slightly higher compared to other spark plug options.
• Limited compatibility with specific engine models.
• Warranty details may vary based on the seller, requiring thorough verification.

https://www.amazon.com/dp/B00S7RZX28?tag=theseasonedwr-20

2115 NGK Iridium Spark Plug (Quantity 2 Per Order)

Ideal for enhancing performance, the NGK Iridium Spark Plugs in a quantity of 2 per order are a top choice for Fat Bob enthusiasts seeking increased power and efficiency.

These genuine NGK parts come in a pack of two, offering direct replacement for auto parts with the manufacturer part number 2115. The spark plugs feature original packaging and hardware, weighing 4.2 ounces with dimensions of 3.31 x 0.94 x 1.66 inches.

Customers have rated them highly, with a 4.9 out of 5 stars from 10 reviews, ranking them at #163,024 in Automotive and #979 in Automotive Replacement Spark Plugs.

These NGK Iridium Spark Plugs are designed for peak performance, making them a reliable choice for those looking to boost their Fat Bob's capabilities.

Best For: Ideal for Fat Bob enthusiasts looking to enhance their bike's power and efficiency with reliable NGK Iridium Spark Plugs.

Pros:

• Genuine NGK parts ensure quality and compatibility.
• Direct replacement for auto parts with manufacturer part number 2115.
• Highly rated by customers with a 4.9 out of 5 stars from 10 reviews.

Cons:

• May be on the pricier side for some buyers.
• Limited quantity of 2 per order.
• Compatibility may vary with other motorcycle models.

https://www.amazon.com/dp/B00UKD1FOC?tag=theseasonedwr-20

Factors to Consider When Choosing Spark Plugs for Fat Bob

When selecting spark plugs for your Fat Bob, you should consider various factors.

Look into spark plug features, performance considerations, compatibility details, maintenance tips, and installation guides to achieve peak performance.

These key points will help you make an informed decision for your motorcycle's spark plug needs.

Spark Plug Features

Consider factors like electrode material, pre-set design, compatibility, special attributes, and customer feedback when selecting spark plugs for your Fat Bob motorcycle.

The electrode material plays a vital role in durability and performance, with options like copper, iridium, or nickel available.

Look for spark plugs that come pre-set to simplify installation and ensure peak performance.

It's crucial to check the thread size and dimensions to guarantee compatibility with your Harley Davidson Fat Bob model.

Evaluate spark plugs with special attributes such as enhanced performance technology or anti-corrosion properties for a longer-lasting and efficient performance on your bike.

Finally, reading customer reviews can provide valuable insights into real-world experiences and recommendations, helping you choose the best spark plug option for your Fat Bob motorcycle.

Performance Considerations

To optimize the performance of your Fat Bob motorcycle, it's important to carefully assess various factors when selecting spark plugs.

Start by considering the heat range of the spark plug to guarantee it matches your Harley Davidson's requirements.

Look for spark plugs with iridium or platinum tips, as they offer improved ignition and longevity.

Check the gap specifications to make sure they align with your Fat Bob's engine needs for proper combustion.

Evaluate the electrode material for durability and resistance to fouling or wear, aiming for quality materials like iridium or platinum.

Additionally, consider design features such as anti-corrosion properties to maintain spark plug performance in various conditions.

Compatibility Details

For best operation of your Fat Bob motorcycle, make certain the spark plug you choose aligns with the manufacturer's recommendations and fits correctly in your specific model. Checking the thread size and dimensions is essential to guarantee proper fitment in your Harley Davidson.

Additionally, consider spark plugs with features like iridium electrodes, which can improve performance and longevity. It's also smart to verify if the spark plug comes pre-gapped as this can simplify the installation process on your Fat Bob.

When selecting a spark plug, make sure that it meets the performance requirements and specifications of your bike. By following these compatibility details, you can optimize the performance of your Fat Bob and maintain smooth operation. Remember to consult the manufacturer's guidelines and recommendations to choose the most suitable spark plug for your specific model.

Compatibility is key to maximizing the efficiency and power of your Fat Bob motorcycle.

Maintenance Tips

Regularly inspecting and cleaning your spark plugs is necessary to maintain peak performance and fuel efficiency in your Fat Bob motorcycle.

Examining the spark plug wires for any signs of wear or damage is vital; if you notice any issues, be sure to replace them promptly.

Additionally, using a gap tool to confirm the spark plug gaps are set correctly for your specific Fat Bob model will help optimize combustion and overall engine performance.

For improved durability and performance, consider upgrading to iridium or platinum spark plugs. These materials are known for their longevity and ability to withstand high temperatures and pressures, making them ideal for high-performance motorcycles like the Fat Bob.

It's also important to follow the manufacturer's maintenance schedule for spark plug replacement intervals. Following these guidelines will help prevent potential issues and guarantee that your Fat Bob continues to run smoothly and efficiently.

Installation Guide

Consider the compatibility of the spark plug with your Harley Davidson Fat Bob model year when choosing the right spark plugs for installation.

Following the manufacturer's torque specifications during installation is essential to prevent damage.

To ensure peak performance, use a gap tool to set the correct distance between the electrodes.

Applying a small amount of anti-seize lubricant to the threads can help prevent seizing in the future.

Before starting the engine, double-check the connection and wiring to guarantee a secure and proper fit.

By adhering to these steps, you can effectively install spark plugs in your Fat Bob, enhancing its overall performance and longevity.

Durability Factors

When selecting spark plugs for your Harley Davidson Fat Bob, prioritize durability by considering key factors that can enhance performance and longevity. Begin by looking at the material of the spark plugs, such as iridium or platinum, as these materials offer increased durability compared to traditional copper plugs.

Additionally, opt for spark plugs with anti-corrosion properties to ensure they can withstand various environmental conditions without deteriorating prematurely.

Checking the heat range of the spark plugs is essential to match the engine's operating temperature, ensuring peak performance and longevity. Spark plugs with a solid core construction are also recommended, as they can withstand the high temperatures and pressures within the engine, contributing to their durability.

Lastly, evaluate the manufacturer's reputation and customer reviews to gain insights into the spark plugs' durability and longevity. By considering these factors, you can select spark plugs that not only enhance your Fat Bob's performance but also last longer, saving you time and money in the long run.

Frequently Asked Questions

Can These Spark Plugs Improve Fuel Efficiency on My Fat Bob?

If you're wondering about improving fuel efficiency on your Fat Bob, upgrading to high-performance spark plugs can make a difference. These plugs are designed to ignite the fuel mixture more efficiently, potentially leading to better fuel economy.

It's worth considering this upgrade if you're looking to boost performance while also saving on gas. Just make sure to choose spark plugs that are compatible with your bike's engine for best outcomes.

Will Using These Spark Plugs Void My Harley Davidson Warranty?

Using those spark plugs won't void your Harley Davidson warranty. However, make sure you follow all guidelines to maintain coverage.

Always consult your owner's manual or reach out to the manufacturer for clarity. It's essential to adhere to recommended maintenance schedules and use approved parts.

Are These Spark Plugs Compatible With Aftermarket Performance Upgrades?

If you're considering aftermarket upgrades, it's important to confirm compatibility with your spark plugs. Always check the manufacturer's recommendations to avoid any issues.

Installing incompatible spark plugs can impact your engine's performance and potentially cause damage. Make sure to do your research and consult with experts to ensure that your upgrades work seamlessly with your spark plugs.

Prioritizing compatibility is necessary for the best performance and longevity of your motorcycle.

How Often Should I Replace These Spark Plugs on My Fat Bob?

When it comes to replacing spark plugs on your Fat Bob, think of it like changing the batteries in a smoke detector – you want to make sure they're always in peak condition.

Generally, it's recommended to replace spark plugs every 10,000 to 20,000 miles for best performance.

Keeping up with this maintenance will guarantee your Fat Bob continues to roar down the road without any hiccups.

Do These Spark Plugs Require Any Special Tools for Installation?

When installing these spark plugs on your Fat Bob, you won't need any special tools. The process is straightforward and can be done with basic tools found in most home garages.

Just make certain to follow the manufacturer's guidelines for torque specifications during installation. This guarantees proper performance and longevity of your spark plugs.

Enjoy the improved performance once the installation is complete!

Conclusion

Upgrade your Fat Bob's performance with one of the 7 best spark plugs available.

For example, a Harley Davidson Twin Cam owner switched to NGK Iridium IX DCPR7EIX Spark Plugs and noticed smoother acceleration, improved fuel efficiency, and overall better engine performance.

Make the switch today and experience the difference in your ride.