20 Best Rx8 Spark Plugs [2024]

Are you looking for the best Rx8 Spark Plugs? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling Rx8 Spark Plugs.

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# Preview Product
1 4 New NGK Laser Iridium Racing Spark Plugs RE7CL RE9BT Mazda RX-8 1.3 R2 4 New NGK Laser Iridium Racing Spark Plugs RE7CL RE9BT Mazda RX-8 1.3 R2
2 NGK (4858) RC-ZE81 Spark Plug Wire Set NGK (4858) RC-ZE81 Spark Plug Wire Set
3 Ignition Coil Coils Wires Spark Plugs For Mazda RX-8 2004-2011 NGK New Ignition Coil Coils Wires Spark Plugs For Mazda RX-8 2004-2011 NGK New
4 NGK 4 Laser Iridium Spark Plugs Gap 0.048' & Wires Kit For Mazda RX-8 R2 1.3 NGK 4 Laser Iridium Spark Plugs Gap 0.048" & Wires Kit For Mazda RX-8 R2 1.3
5 NGK Set of 2 Laser Iridium Spark Plugs Gap 0.048 Leading For Mazda RX-8 1.3L R2 NGK Set of 2 Laser Iridium Spark Plugs Gap 0.048 Leading For Mazda RX-8 1.3L R2
6 4-Pieces Laser Iridium Spark Plugs RX-8 Leading & Trailing Compatible with Mazda 4-Pieces Laser Iridium Spark Plugs RX-8 Leading & Trailing Compatible with Mazda
7 NGK 6700 Spark Plug - Pack of 4 (6700) NGK 6700 Spark Plug - Pack of 4 (6700)
8 GENUINE NGK Iridium Spark Plugs+Ignition Wires set fits 04-08 Mazda RX8 1.3L GENUINE NGK Iridium Spark Plugs+Ignition Wires set fits 04-08 Mazda RX8 1.3L
9 NGK 6701 Spark Plug, Pack of 1 NGK 6701 Spark Plug, Pack of 1
10 HKS 50003-M50RE M-Series Spark Plug ([Mazda Rx-8(2004-2007) Mazda Rx-7(1979-1991 1993-1995)] Iridium... HKS 50003-M50RE M-Series Spark Plug ([Mazda Rx-8(2004-2007) Mazda Rx-7(1979-1991 1993-1995)]...
11 ENA Set of 4 Ignition Coil Pack Compatible with Mazda RX-8 R2 1.3L Replacement for C1459 UF501 ENA Set of 4 Ignition Coil Pack Compatible with Mazda RX-8 R2 1.3L Replacement for C1459 UF501
12 NGK (6700) RE7C-L Laser Iridium Spark Plug, Pack of 1 NGK (6700) RE7C-L Laser Iridium Spark Plug, Pack of 1
13 Cable Master Spark Plug Wires Compatible with Mazda RX-8 1.3L R2 2004-2008 Cable Master Spark Plug Wires Compatible with Mazda RX-8 1.3L R2 2004-2008
14 AIP Electronics Dragon FIRE High Performance LS Ignition Coil Conversion 10MM Low Ohm 600 F Factory... AIP Electronics Dragon FIRE High Performance LS Ignition Coil Conversion 10MM Low Ohm 600 F...
15 Genuine LZFR5CI11 Laser Iridium Spark Plugs by NGK (16 pack) 92145 Compatible with Ram 1500 V8 5.7L Genuine LZFR5CI11 Laser Iridium Spark Plugs by NGK (16 pack) 92145 Compatible with Ram 1500 V8 5.7L
16 NGK 3623 Standard Spark Plug - BPR6EFS, 1 Pack NGK 3623 Standard Spark Plug - BPR6EFS, 1 Pack
17 NGK 4904 Spark Plug - Pack of 4 (4904) NGK 4904 Spark Plug - Pack of 4 (4904)
18 MAS Set of 8 Square Ignition Coil+OEM Platinum spark plugs with one set wires Compatible with... MAS Set of 8 Square Ignition Coil+OEM Platinum spark plugs with one set wires Compatible with...
19 NGK Laser Iridium Spark Plug ILZKR7B11 (6 Pack) for HONDA ACCORD EX-L 2008-2014 3.5L/3471cc NGK Laser Iridium Spark Plug ILZKR7B11 (6 Pack) for HONDA ACCORD EX-L 2008-2014 3.5L/3471cc
20 4 pc NGK Iridium IX Spark Plugs compatible with Mazda 3 2.0L 2.3L L4 2004-2005 Ignition Wire... 4 pc NGK Iridium IX Spark Plugs compatible with Mazda 3 2.0L 2.3L L4 2004-2005 Ignition Wire...
Bestseller No. 1
4 New NGK Laser Iridium Racing Spark Plugs RE7CL RE9BT Mazda RX-8 1.3 R2
  • RE7C-L
  • RE9B-T
  • RE7CL RE9BT Mazda RX-8 RX8 Leading Trailing
  • NGK 6701
  • NGK 6700
SaleBestseller No. 2
NGK (4858) RC-ZE81 Spark Plug Wire Set
  • Set includes 4 wires (Coil Lead N/R)
  • Variable pitch winding delivers ultra-low resistance, a powerful spark and outstanding EMI/RFI noise suppression
  • Numbered for easy cylinder identification and coil wires are color coded for correct and easy installation
  • Positive-locking, corrosion-resistant stainless steel terminal ends for tight fit and maximum resistance to vibration and separation
  • High-temp (250°+ C / 482°+ F) silicone outer jacket resists moisture, oil/petrol and cracking due to temperature extremes
Bestseller No. 3
Ignition Coil Coils Wires Spark Plugs For Mazda RX-8 2004-2011 NGK New
  • This is a Brand New Tune up kit. It has a set of 4 Ignition Coils, 4 NGK Ignition Wires and 4 NGK Iridium Spark Plugs. It will fit the following makes...
Bestseller No. 6
4-Pieces Laser Iridium Spark Plugs RX-8 Leading & Trailing Compatible with Mazda
  • Same quality as OE for less money
  • Designed with the latest software and manufactured with modern tooling
  • Direct fit replacement
  • Installs the same as factory unit
  • Same dimensions as OE part
Bestseller No. 7
NGK 6700 Spark Plug - Pack of 4 (6700)
  • NGK 6700 Spark Plug - Pack of 4 (6700)
Bestseller No. 8
GENUINE NGK Iridium Spark Plugs+Ignition Wires set fits 04-08 Mazda RX8 1.3L
  • This Listin includes NGK Wires & NGK Plugs INCLUDES: 1x Part# 4858 ZE81 Wire Set 2x Part# 67 RE7CL Laser Iridium Leading Plugs 2x Part# 67 RE9BT Laser...
Bestseller No. 9
NGK 6701 Spark Plug, Pack of 1
  • SPARK PLUG-RE9B-T SINGLE PACK
Bestseller No. 10
HKS 50003-M50RE M-Series Spark Plug ([Mazda Rx-8(2004-2007) Mazda Rx-7(1979-1991 1993-1995)] Iridium...
  • HKS products are designed to be user friendly for easy installation
  • HKS has been synonymous with "performance" in the automotive aftermarket industry for the past 35+years
  • HKS delivers quality and performance with exceptional results
SaleBestseller No. 11
ENA Set of 4 Ignition Coil Pack Compatible with Mazda RX-8 R2 1.3L Replacement for C1459 UF501
  • Engineered for original equipment and replacement applications
  • Designed and manufactured to operate reliably under all conditions
  • Easy and quick installation
  • Please use the Amazon Confirmed Fit function and enter your vehicle information for a correct compatibility
  • 1 Year Limited Warranty
Bestseller No. 13
Cable Master Spark Plug Wires Compatible with Mazda RX-8 1.3L R2 2004-2008
  • Kevlar core for maximum durability and long life AND Durable nickel wire wound conductor for maximum horsepower and engine performance
  • high-tear strength double silicone jacket with a fiber glass wire layer and heat-resistant insulation ensure the safety of electric connection low...
  • Premium silicone jacketing and boots for ultimate high temperature protection AND Superior RFI suppression for the most sensitive electronic system
  • For Mazda RX-8 1.3L R2 40th Anniversary Edition Grand Touring Sport Touring Base Shinka 2004-2008
  • RC-ZE81 55143 N3H1-18-140A 4858 N3H11810X N3H1-18-140B N3H11810XA N3H1-18-140 OEK796
Bestseller No. 14
AIP Electronics Dragon FIRE High Performance LS Ignition Coil Conversion 10MM Low Ohm 600 F Factory...
  • Manufacturer: Dragon Fire Model: Race Series Direct Factory Fit (FOR ALL LS COILS)
  • RESISTANCE: 150 ohms per foot
  • Industry Leading Multi-Layer High Performance Technology - Precision 100:1 Turn Ratio per inch (+/- 10%) for Maximum Voltage Transfer
  • 10mm Spiral Wound Alloy Conductor Design - Kevlar Fiber Core - RFI/EMI Suppression - High Tensile Strength/High Temp. 600F Silicone Boots/Sleeve
  • WIRE LENGTHS - 2 x 23", 2 x 21.25"
Bestseller No. 15
Genuine LZFR5CI11 Laser Iridium Spark Plugs by NGK (16 pack) 92145 Compatible with Ram 1500 V8 5.7L
  • 2009-2021 Ram 1500 V8 5.7L Laser Iridium. Actual OE Manufacturer, Recommended Spark Plug Quality Level for This Vehicle
  • NGK is the world's largest supplier of OEM spark plugs
  • Research Applications Prior to Purchase To Make Sure This OEM Part Fits Your Vehicle, Including Engine, Drivetrain and Quantity Needed.
  • OverstockDirect Offers Unbeatable Service
  • This Listing is for 16 Spark Plugs
SaleBestseller No. 16
NGK 3623 Standard Spark Plug - BPR6EFS, 1 Pack
  • Package Dimensions: 3.3 L x 0.8 H x 0.9 W (inches)
  • Package Weight : 0.13 pounds
  • Country of Origin : China
  • Oem equivalent part number: RENAULT 7700267140
  • Fit type: Vehicle Specific
SaleBestseller No. 17
NGK 4904 Spark Plug - Pack of 4 (4904)
  • NGK 4904 Spark Plug - Pack of 4 (4904)
Bestseller No. 18
MAS Set of 8 Square Ignition Coil+OEM Platinum spark plugs with one set wires Compatible with...
  • MAS Ignition Coils Pack are engineered for original equipment and replacement applications. Every component either matches or improves on the OE...
  • Reduces common ignition coil issues such as; no/hard start, long crank time, misfires, lack of power, inconsistent transmission shifts, spark plug...
  • 【Ignition Coil Fit the Following Vehicle】 Compatible with Chevy Avalanche Camaro Caprice Colorado Corvette Express 1500 2500 Impala Monte Carlo...
  • IMPORTANT: Please check interchangeable part numbers and/or verify if car year, make, model, sub-model, engine size and VIN number matches before...
  • 1 Year Limited Warranty - This ignition coil set comes complete with a 1 year warranty. If the coil ever fails on your vehicle within the warranty...
Bestseller No. 19
NGK Laser Iridium Spark Plug ILZKR7B11 (6 Pack) for HONDA ACCORD EX-L 2008-2014 3.5L/3471cc
  • Engine V6, Engine Size 3.5L/3471cc
  • Engine Family Honda/Acura V6
  • Trivalent metal plating provides superior anti-corrosion and anti-seizing properties. Corrugated ribs prevent flashover. Pure alumina silicate ceramic...
  • Copper core aids in heat removal. Triple seals prevent leakage
  • Sold In 6 Pack
Bestseller No. 20
4 pc NGK Iridium IX Spark Plugs compatible with Mazda 3 2.0L 2.3L L4 2004-2005 Ignition Wire...
  • This 4 pack NGK Iridium IX Spark Plug is compatible with Mazda 3 2005, 2004 2.0L 2.3L L4 and is perfect for a tune up or performance upgrade.
  • REDUCE EMISSIONS AND MISFIRES: This tried-and-true Spark Plug boosts performance, reduces emissions, and enables better fuel economy so that your...
  • IMPROVE IGNITION AND SPARK EFFICIENCY: This Spark Plug employs advanced center and ground electrodes to produce complete and efficient combustion and...
  • RELY ON QUALITY IGNITION COMPONENTS: From their start in 1936 through today, the NGK product line is proof of their dedication to innovation,...
  • TRUST IN NGK NTK: Explore components built by the world leader in the design of spark plugs and oxygen sensors. Their attention to performance...

Having trouble finding a great Rx8 Spark Plugs?

This problem is well understood by us because we have gone through the entire Rx8 Spark Plugs research process ourselves, which is why we have put together a comprehensive list of the best Rx8 Spark Plugss available in the market today.

After hours of searching and using all the models on the market, we have found the best Rx8 Spark Plugs for 2023. See our ranking below!

How Do You Buy The Best Rx8 Spark Plugs?

Do you get stressed out thinking about shopping for a great Rx8 Spark Plugs? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching Rx8 Spark Plugs, which is why we have assembled a comprehensive list of the greatest Rx8 Spark Plugs available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Rx8 Spark Plugs that you consider buying. Your questions might include the following:

  • Is it worth buying an Rx8 Spark Plugs?
  • What benefits are there with buying an Rx8 Spark Plugs?
  • What factors deserve consideration when shopping for an effective Rx8 Spark Plugs?
  • Why is it crucial to invest in any Rx8 Spark Plugs, much less the best one?
  • Which Rx8 Spark Plugs are good in the current market?
  • Where can you find information like this about Rx8 Spark Plugs?

We’re convinced that you likely have far more questions than just these regarding Rx8 Spark Plugs, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Rx8 Spark Plugs, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Rx8 Spark Plugs. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an Rx8 Spark Plugs buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Rx8 Spark Plugs currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of Rx8 Spark Plugs has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an Rx8 Spark Plugs?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your Rx8 Spark Plugs.
  5. Customer Ratings: Number ratings grade Rx8 Spark Plugs objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Rx8 Spark Plugs.
  7. Product Quality: You don’t always get what you pay for with an Rx8 Spark Plugs, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an Rx8 Spark Plugs is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining Rx8 Spark Plugs information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding Rx8 Spark Plugs is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: What are the best high performance spark plugs?

A: Four Different types of spark plugs: Iridium – Often considered to be the best spark plugs for high performance and longevity. Iridium usually lasts 25% longer than platinum, but you guessed it, they’re usually more expensive! Platinum – An upgrade from Copper plugs that can last up to 100,000 miles of usage.

Q: What is the best racing spark plug?

A: 4. Brisk. Brisk silver racing spark plugs have better ignitability and offer better performance than conventional spark plugs. They have a fine wire center electrode that provides better insulation between the spark shell and the center electrode, thus offering more room for insulation.

Q: What material is best for spark plugs?

A: Silver is the best electrical and thermal conductor of any metal, which makes it the ultimate material for a spark plug’s center electrode. The large diameter silver center electrode increases spark carrying ability and spark power.

Q: How do you replace spark plugs?

A: Use a wire brush or compressed air to clean up around the wire connections and make sure you’ve got a good, clean port. Replace the wires if necessary. Insert the new plugs and tighten with your ratchet. Using the spark-plug socket, remove each plug from the engine, and replace each with a new spark plug.