Best Spark Plugs For Subaru Sti: image

Best Spark Plugs For Subaru Sti

Listen Audio Version of Our Article

Top 8 Best Spark Plugs For Subaru Sti

1

NGK (6481) ILFR6B Laser Iridium Spark Plug, Pack of 1

58 ratings | 3 offers | 58 Reviews
Price: $10.59$21.11
Why we chose it
  • You can depend on NGK for quality and reliability
  • Better Center Electrode Anti-Oxidation and Anti-Erosion
  • Superior Anti-Fouling
  • Lower Required Voltage
  • Improved Ignition
NGK (6481) ILFR6B Laser Iridium Spark Plug, Pack of 1: image
94%
customers recommend this product
4.7/ 5
2

NGK 6418 Iridium Spark Plugs BKR6EIX —6 PCS NEW

346 ratings | 15 offers | 346 Reviews
Price: $34.99$52.07
Why we chose it
  • 1order 6 Pieces
  • IRIDIUM
  • Good Brand Name NGK
  • Better Performance
  • FREE SHIPPING to anywhere IN USA and territories For This Item
NGK 6418 Iridium Spark Plugs BKR6EIX ---6 PCS NEW: image
94%
customers recommend this product
4.7/ 5
Value for money4.8
Longevity4.6
Mileage4.2
3

NGK (4853) PFR7B Laser Platinum Spark Plug, Pack of 1

41 ratings | 10 offers | 41 Reviews
Price: $12.11$23.22
Why we chose it
  • Easy installation
  • Constructed from durable material
  • Taper cut reduces the voltage necessary and provides better throttle response
  • Includes laser welded platinum tip on center electrode and platinum tip on the ground electrode
  • You can depend on NGK for quality and reliability
NGK (4853) PFR7B Laser Platinum Spark Plug, Pack of 1: image
90%
customers recommend this product
4.5/ 5
4

NGK (4014) PFR6B-11 Spark Plug – Pack of 4

1 ratings | 2 offers | 1 Reviews
Price: $43.79$44.98
Why we chose it
  • REDUCE EMISSIONS AND MISFIRES: This tried-and-true Spark Plug boosts performance, reduces emissions, and enables better fuel economy so that your engine runs at its best. The durable shell reliably protects the spark plug from corrosion, ensuring long-lasting sparking capabilities. The center and ground electrodes promote sharper spark focus for fewer misfires
  • This 4 pack NGK Laser Platinum 4014 Spark Plug replaces Torch K6RTPPF-11, Isuzu 5-86103386, Isuzu 5-86103386-0, Subaru 22401AA370, Beck/Arnley 1765210, DENSO Auto Parts PK20TT, DENSO Auto Parts 4702,
  • RELY ON QUALITY IGNITION COMPONENTS: From their start in 1936 through today, the NGK product line is proof of their dedication to innovation, performance, and quality. In order to deliver high-quality spark plugs and oxygen sensors to the automotive community, NGK has partnered with auto manufacturers to engineer automotive parts that fit both the vehicles of today and of the future
  • TRUST IN NGK NTK: Explore components built by the world leader in the design of spark plugs and oxygen sensors. Their attention to performance excellence is what has differentiated them from the competition and allowed them to be the number one supplier of spark plugs and oxygen sensors. From leading Japanese makers like Honda, Toyota, Mazda, and Nissan to domestic manufacturers like GM, Ford, and Chrysler, NGK Spark Plugs and NTK Sensors are already onboard when you purchase your new vehicle
  • IMPROVE IGNITION AND SPARK EFFICIENCY: This Spark Plug employs advanced center and ground electrodes to produce complete and efficient combustion and deliver an outstanding spark for faster, stronger, and more powerful combustion over the life of the spark plug. The corrosion-resistant center and ground electrodes minimize spark gap growth and provide greater ignitability and spark efficiency
NGK (4014) PFR6B-11 Spark Plug - Pack of 4: image
100%
customers recommend this product
5/ 5
5
Why we chose it
  • RELY ON QUALITY IGNITION COMPONENTS: From their start in 1936 through today, the NGK product line is proof of their dedication to innovation, performance, and quality. In order to deliver high-quality spark plugs and oxygen sensors to the automotive community, NGK has partnered with auto manufacturers to engineer automotive parts that fit both the vehicles of today and of the future
  • TRUST IN NGK NTK: Explore components built by the world leader in the design of spark plugs and oxygen sensors. Their attention to performance excellence is what has differentiated them from the competition and allowed them to be the number one supplier of spark plugs and oxygen sensors
  • This 4 pack NGK Laser Iridium Spark Plug is compatible with Subaru WRX STI 2018, 2017, 2016, 2015, 2014, 2013 2.5L H4 and is perfect for a tune up or performance upgrade.
  • IMPROVE IGNITION AND SPARK EFFICIENCY: This Spark Plug employs advanced center and ground electrodes to produce complete and efficient combustion and deliver an outstanding spark for faster, stronger, and more powerful combustion over the life of the spark plug. The corrosion-resistant center and ground electrodes minimize spark gap growth and provide greater ignitability and spark efficiency
  • REDUCE EMISSIONS AND MISFIRES: This tried-and-true Spark Plug boosts performance, reduces emissions, and enables better fuel economy so that your engine runs at its best. The durable shell reliably protects the spark plug from corrosion, ensuring long-lasting sparking capabilities. The center and ground electrodes promote sharper spark focus for fewer misfires
4 pc NGK Laser Iridium Spark Plugs compatible with Subaru WRX STI 2.5L H4 2013-2018 Ignition Wire Secondary: image
100%
customers recommend this product
5/ 5
Top Pick
6
Why we chose it
  • SUBARU: 2010 Legacy, 2001-04, 2010 Outback, 2010-14 Tribeca SUZUKI: 2009-13 Grand Vitara, 2010-13 Kizashi
  • Original equipment, pre-gapped replacement delivering optimum fit, form and function for a wide range of vehicles including, but not limited to, the following:
  • Platinum firing pin and yttrium enhanced ground electrode provide 2X longer service life compared to standard copper plugs
  • 4 year performance satisfaction guarantee
  • Fine wire design provides better ignitability and performance
  • TOYOTA: 2007-14 FJ Cruiser, 2008-11, 2013-17 Land Cruiser, 2008 Sequoia, 2005-15 Tacoma, 2005 Tundra, 2003-13 4Runner
  • LEXUS: 2010 GX460, 2008-11, 2013 LX570 NISSAN: 2002-06 Altima, 2004-06 Armada, 2005-06 Frontier, 2002-05 Maxima, 2003-07 Murano, 2001-07 Pathfinder
  • NISSAN: 2004-09 Quest, 2000-06 Sentra, 2004-06 Titan, 2005-07 Xterra, 2003-06 350Z
  • 360 continuous laser welding to fuse the platinum firing pin for increased durability
  • INFINITI: 2003-08 FX35, 2003-05, 2007-08 FX45, 2003-07 G35, 2002-04 I35, 2006-08 M35, 2003-04, 2006-10 M45, 2001-03 QX4, 2004-06 QX56, 2002-06 Q45
Bosch Automotive-6731 Platinum Spark Plug for Select Infiniti, Lexus, Nissan, Subaru, Suzuki, and Toyota Cars, Trucks, Vans, and SUVs (Pack of 1): image
92%
customers recommend this product
4.6/ 5
Easy to install4.4
Value for money4.2
Longevity4.2
Mileage4.2
7
Why we chose it
  • Fitment : Manufacturer: NGK Laser Iridium Resistor Part Number: NGK SILFR6A / 7913 SUBARU Part Number: 22401AA670 SUBARU APPLICATIONS:
  • FORESTER 2004-2013 IMPREZA 2004-2014 LEGACY 2005-2013
  • Spark plugs for Subaru Impreza Subaru Tribeca Subaru Legacy Subaru Outback Subaru WRX
  • OUTBACK 2005-2009 TRIBECA 2008-2009 WRX 2012-2016 WRX STI 2013-2019 2.5 Turbo Engines Only
Genuine Subaru Iridium Spark Plugs 22401AA670 / SILFR6A for WRX & STi Legacy Forester Outback Impreza OEM Set of 4: image
82%
customers recommend this product
4.1/ 5
8
Why we chose it
  • Genuine Subaru Spark Plugs 22401AA670 X4
  • 2009-2013 Forester XT 2.5 turbo
  • 2008-2014 Impreza &WRX & STi turbos
  • 2015-2018 Sti
  • 2005-2009 Legacy GT and Outback XT 2.5 turbos
Genuine Subaru Spark Plugs 2008-2014 WRX & STi 2005-2009 Legacy GT 2009-2013 Forester XT OEM: image
98%
customers recommend this product
4.9/ 5
Top Pick
Bosch Automotive-6731 Platinum Spark Plug for Select Infiniti, Lexus, Nissan, Subaru, Suzuki, and Toyota Cars, Trucks, Vans, and SUVs (Pack of 1)
Bosch Platinum Spark Plugs are engineered to provide you with improved ignitability and performance. The OE fine wire platinum design delivers optimum fit and function for 2x longer service life compared to standard copper plugs.
Ranking the Brands
NGK: 37.50%
: 12.50%
Sixity Auto: 12.50%
Bosch Automotive: 12.50%
Subaru: 25.00%

Comparison Table

Сomparison: NGK (6481) ILFR6B Laser Iridium Spark Plug, Pack of 1: imageСomparison: NGK 6418 Iridium Spark Plugs BKR6EIX ---6 PCS NEW: imageСomparison: NGK (4853) PFR7B Laser Platinum Spark Plug, Pack of 1: imageСomparison: NGK (4014) PFR6B-11 Spark Plug - Pack of 4: imageСomparison: 4 pc NGK Laser Iridium Spark Plugs compatible with Subaru WRX STI 2.5L H4 2013-2018 Ignition Wire Secondary: imageСomparison: Bosch Automotive-6731 Platinum Spark Plug for Select Infiniti, Lexus, Nissan, Subaru, Suzuki, and Toyota Cars, Trucks, Vans, and SUVs (Pack of 1): imageСomparison: Genuine Subaru Iridium Spark Plugs 22401AA670 / SILFR6A for WRX & STi Legacy Forester Outback Impreza OEM Set of 4: imageСomparison: Genuine Subaru Spark Plugs 2008-2014 WRX & STi 2005-2009 Legacy GT 2009-2013 Forester XT OEM: image
NGK (6481) ILFR6B Laser Iridium Spark Plug, Pack of 1NGK 6418 Iridium Spark Plugs BKR6EIX —6 PCS NEWNGK (4853) PFR7B Laser Platinum Spark Plug, Pack of 1NGK (4014) PFR6B-11 Spark Plug – Pack of 44 pc NGK Laser Iridium Spark Plugs compatible with Subaru WRX STI 2.5L H4 2013-2018 Ignition Wire SecondaryBosch Automotive-6731 Platinum Spark Plug for Select Infiniti, Lexus, Nissan, Subaru, Suzuki, and Toyota Cars, Trucks, Vans, and SUVs (Pack of 1)Genuine Subaru Iridium Spark Plugs 22401AA670 / SILFR6A for WRX & STi Legacy Forester Outback Impreza OEM Set of 4Genuine Subaru Spark Plugs 2008-2014 WRX & STi 2005-2009 Legacy GT 2009-2013 Forester XT OEM
BrandNGKNGKNGKSixity AutoBosch AutomotiveSubaruSubaru
Core MaterialIridiumPlatinumIridiumPlatinum
ManufacturerNGKNGKSixity AutoBoschGenuine PartsSUBARU
Item Weight10.6 ounces7 ounces7.7 ounces1.6 ounces9.1 ounces
Product Dimensions3.31 x 0.94 x 4.98 inches3.31 x 0.94 x 3.32 inches3.7 x 0.94 x 3.32 inches12.8 x 8.5 x 5.2 inches
Is Discontinued By ManufacturerNoNoNo
Top Material TypeMetalMetal, CeramicNickel

Products with 5 star rating

Tips and advices on YouTube

Best Spark Plug Design? Let’s find out! E3, Pulstar, Racing & Platinum
Which spark plugs are best for performance tuning?
How to Change Subaru Spark Plugs (Easy)

Other interesting articles about “Best Spark Plugs For Subaru Sti”

One of the options on this list started at $70,000 in the 1990s but can be had for less than $90 a month now.
We spent more than 60 hours researching what emergency gear you should keep in your vehicle at all times. Here’s what we recommend.
Related Posts:

Leave a Reply

Your email address will not be published. Required fields are marked *