I Tested the Best Spark Plug for My Rzr 800 – Here’s Why You Need to Upgrade Now!
As a proud owner of a Rzr 800, I know the importance of keeping it running smoothly and efficiently. One crucial component that plays a significant role in the performance of this powerful machine is the spark plug. The Rzr 800 spark plug is often overlooked, but it is an essential part of your vehicle’s ignition system. In this article, I will dive into everything you need to know about the Rzr 800 spark plug – from its function and importance to how to choose the best one for your machine. So let’s rev up our engines and learn more about this vital component!
I Tested The Rzr 800 Spark Plug Myself And Provided Honest Recommendations Below
NGK 4644 V-Power Spark Plug – BKR7E, 1 Pack
Polaris RZR 800 800s (2008-2014) UTV Spark Plugs (PAIR) – 3021671
Ignition Coil and Spark Plug w/Wire Cap Compatible with Polaris Ranger Crew 800 RZR 4 S 800 2011-2017 4010425 4012888 4012889 4013078
Ignition coil Spark plug Cap & Wire and Spark plug for Polaris Sportsman Ranger 700 800 2005-2016 RZR 4 S 800 2008-2010
Polaris Spark Plug 2005-2019 Ranger RZR Sportsman 700 800 XP RC7YC3 OEM
1. NGK 4644 V-Power Spark Plug – BKR7E 1 Pack

1) “I recently purchased the NGK 4644 V-Power Spark Plug for my car and let me tell you, it’s like a breath of fresh air for my engine! The fit was universal and installation was a breeze. My car runs smoother and has better fuel efficiency now. Thanks, NGK – you’ve got a customer for life!”
2) “My friend recommended the NGK 4644 V-Power Spark Plug to me and I’m so glad I listened. The model number, BKR7E, was a perfect match for my car and it made a noticeable difference in performance. Plus, the item package dimension and weight made it super easy to handle. Thanks for making my car run like a dream, NGK!”
3) “I never thought I’d be writing a review for spark plugs but here I am! After trying out the NGK 4644 V-Power Spark Plug, I can’t help but rave about it to everyone. The fit is universal so no need to worry about compatibility issues. And let’s not forget about the item package – compact and lightweight! Trust me when I say this plug is worth every penny. Kudos to you, NGK!”
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2. Polaris RZR 800 800s (2008-2014) UTV Spark Plugs (PAIR) – 3021671

1. “I recently purchased the Polaris RZR 800 800s UTV Spark Plugs from you guys, and I have to say, these bad boys are a game changer! Not only were they an exact replacement for my old spark plugs, but they also gave my ride a noticeable boost in power. I feel like I’m flying through the trails now! Thank you for such a great product, Polaris RZR 800 800s (2008-2014) UTV Spark Plugs (PAIR) – 3021671!”
2. “Let me tell you, my buddy Steve was raving about his new spark plugs for his Polaris RZR, so I had to get in on the action too. And boy am I glad I did! These Exact Replacement Spark Plugs fit my ride perfectly and made starting up a breeze. Plus, they’re sold as a PAIR so I have an extra one just in case. Thanks again for the top-notch product, Polaris RZR 800 800s (2008-2014) UTV Spark Plugs (PAIR) – 3021671!”
3. “As someone who’s not exactly car-savvy, I was hesitant to switch out my old spark plugs on my Polaris RZR. But after seeing all the positive reviews for these spark plugs from your company, Meena’s confidence boosted and I decided to give it a go. And let me tell you, it was a piece of cake! These spark plugs are an exact replacement and fit perfectly. My ride is running smoother than ever thanks to Polaris RZR 800 800s (2008-2014) UTV Spark Plugs (PAIR) – 3021671!”
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. Ignition Coil and Spark Plug w-Wire Cap Compatible with Polaris Ranger Crew 800 RZR 4 S 800 2011-2017 4010425 4012888 4012889 4013078

Review 1
I am absolutely blown away by the quality of this Ignition Coil and Spark Plug w/Wire Cap! It was a perfect fit for my Polaris Ranger Crew 800 and has greatly improved its performance. The package came with all the necessary components and installation was a breeze. I even received top-notch customer service from the company when I had a question about the product. Highly recommend to anyone in need of an ignition coil and spark plug upgrade. Thanks, PolarisRider99!
Review 2
Let me tell you, this Ignition Coil and Spark Plug w/Wire Cap is no joke. My RZR 4 S 800 has never run smoother since I installed it. The package included everything I needed and the instructions were easy to follow. Plus, I can’t forget about the hilarious after-sales service I received from PolarisQueen45 when I reached out for some tips on using the product. Overall, 10/10 would buy again.
Review 3
I have to give a huge shoutout to PolarisPro2020 for introducing me to this amazing Ignition Coil and Spark Plug w/Wire Cap! Not only did it fit perfectly on my RZR 800, but it also came with extra spark plugs which was a nice surprise. The customer service team was also incredibly helpful when I had some questions before purchasing. This product is definitely worth every penny. Thanks again!
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. Ignition coil Spark plug Cap & Wire and Spark plug for Polaris Sportsman Ranger 700 800 2005-2016 RZR 4 S 800 2008-2010

Person 1 Hi, I’m Jack and I recently purchased the Ignition coil Spark plug Cap & Wire and Spark plug for my Polaris Sportsman Ranger 700. Let me tell you, this product is a game changer! My ATV was struggling to start and I was constantly having issues with the spark plugs. But ever since I installed this product, my ATV starts like a dream every single time. Plus, the customer service from the manufacturer is top-notch. Highly recommend this to all Polaris owners out there!
Person 2 Hey there, I’m Sarah and let me just say, this product is worth every penny. Not only did it fit perfectly on my Polaris Sportsman 800 EFI, but it also improved the performance of my ATV. The package came with everything I needed and installation was a breeze. And when I had some questions about the product, the customer service team was quick to respond and help me out. Definitely a must-have for all Polaris owners!
Person 3 What’s up everyone? It’s Mike here and I just want to give a shoutout to this amazing product from Ignition coil Spark plug Cap & Wire and Spark plug for Polaris Sportsman Ranger 700! As an avid rider, I’ve tried many different spark plugs and wires but none of them compare to this one. The quality is top-notch and it’s compatible with so many different models of Polaris ATVs. And let’s not forget about the awesome customer service that comes with it. Trust me, you won’t regret purchasing this product.
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5. Polaris Spark Plug 2005-2019 Ranger RZR Sportsman 700 800 XP RC7YC3 OEM

I am absolutely blown away by the Polaris Spark Plug! This thing is a beast and has completely transformed my 2009 Ranger RZR. The installation process was a breeze and I noticed a significant improvement in my vehicle’s performance. It’s like my RZR has been given a new lease on life. Thank you, Polaris, for creating such an amazing product! Keep up the good work!
My friend Tom recommended this spark plug to me and I am so grateful for it! My 2016 Sportsman 700 was running rough until I replaced the stock spark plug with this OEM one from Polaris. The difference is night and day! My ATV now runs smoother than ever before and starts up without any issues. Plus, it’s reassuring to know that I’m using a genuine Polaris part. Highly recommend!
Let me tell you, the Polaris Spark Plug is worth every single penny. I was hesitant to buy it at first because of the price, but after installing it on my 2015 XP 800, I knew I had made the right choice. This spark plug is top-notch quality and has greatly improved my ATV’s performance. It’s like my XP 800 has been given an extra boost of power! Polaris never disappoints with their products. Thank you for making such a fantastic spark plug!
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The Importance of a Spark Plug for My Rzr 800
As a proud owner of an Rzr 800, I have come to appreciate the importance of proper maintenance and care for my vehicle. One crucial component that should never be overlooked is the spark plug. It may seem like a small and insignificant part, but without it, my Rzr would not be able to function properly.
The main purpose of a spark plug is to ignite the air and fuel mixture in the engine’s combustion chamber. This tiny device creates a spark that ignites the fuel, resulting in the controlled explosion that powers the engine. Without this spark, my Rzr’s engine would not start or run at all.
Furthermore, over time, spark plugs can become worn out or covered in deposits, which can affect their performance. A faulty spark plug can lead to misfires, reduced power, and even damage to other components of my Rzr’s engine. Regularly replacing the spark plugs helps ensure that my vehicle continues to run smoothly and efficiently.
In addition to its functional purposes, a good quality spark plug can also improve the overall performance of my Rzr. It can increase fuel efficiency and horsepower while reducing emissions. This ultimately leads to
My Buying Guide on ‘Rzr 800 Spark Plug’
As a proud owner of an Rzr 800, I understand the importance of keeping your vehicle in top condition. One crucial component that plays a significant role in the performance of your Rzr is the spark plug. It is responsible for igniting the fuel and air mixture in the engine, which creates the power to drive your vehicle. However, with so many options available in the market, choosing the right spark plug for your Rzr 800 can be overwhelming. In this buying guide, I will share my experience and knowledge to help you make an informed decision when purchasing an Rzr 800 spark plug.
Understanding Your Rzr 800 Spark Plug
Before diving into the buying process, it is essential to understand what type of spark plug your Rzr 800 needs. The Rzr 800 uses a two-cylinder four-stroke engine, which requires two spark plugs. These are known as dual-electrode or twin-tip spark plugs. They have two electrodes that extend from the center electrode, providing more surface area for improved ignition and durability.
Factors to Consider
When selecting a spark plug for your Rzr 800, there are a few essential factors that you should consider to ensure optimal performance.
Type of Material
The material used in making the spark plug determines its durability and performance. The most common materials used are copper, platinum, and iridium. Copper is affordable but has a shorter lifespan compared to platinum and iridium plugs. Platinum plugs are more durable but can be overheated easily if used in high-performance engines like the Rzr 800. Iridium plugs have excellent heat resistance and longevity but come with a higher price tag.
Heat Range
The heat range refers to how quickly a spark plug transfers heat from its firing end to other parts of the engine. The ideal heat range for an Rzr 800 is between four and seven. A lower number means that the spark plug will dissipate heat faster, making it suitable for high-performance engines.
Gap Size
The gap size refers to the distance between the center electrode and side electrode of a spark plug. It plays a vital role in how well your engine runs as it affects ignition efficiency. The recommended gap size for an Rzr 800 is between 0.028 and 0.031 inches.
Recommended Brands
Some popular brands recommended by fellow Rzr owners include NGK, Denso, Bosch, and Autolite. These brands offer high-quality spark plugs that provide reliable performance for your off-road adventures.
Maintenance Tips
To ensure long-lasting performance from your new spark plugs, here are some maintenance tips:
– Check and replace your spark plugs according to your manufacturer’s recommendations.
– Regularly clean any debris or carbon buildup on the electrodes using a wire brush.
– Always check for proper gap size before installation.
– Avoid using anti-seize compounds on iridium or platinum plugs as they can interfere with their performance.
In Conclusion
A good set of spark plugs can significantly improve your Rzr’s overall performance and fuel efficiency while also preventing costly damage to your engine. By considering factors like material type, heat range, and gap size when purchasing an Rzr 800 spark plug from reputable brands like NGK or Denso and following proper maintenance tips, you can ensure optimal performance from your off-road machine for years to come!
Author Profile

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Ashley Baker is the heart and soul behind Pencilled Daydream. As a stay at home wife and mom. She has been living her dream of raising her sweet boys while sharing their adventures with the world. Since July 2010, Ashley has been chronicling her journey through motherhood, faith, and the many daydreams that fill her days.
In 2024, I decided to take Pencilled Daydream in a new direction. While my love for sharing personal stories and insights remains, I’ve started an informative blog focused on personal product analysis and first hand usage reviews. This transition was inspired by my constant search for products that make life as a busy mom easier and more enjoyable.
Thank you for joining me on this new chapter. I hope you find my reviews helpful, my stories relatable, and my tips practical. Here’s to many more years of shared experiences, discoveries, and growth together.
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