Honda Civic Si Spark Plugs
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NGK®Laser Iridium™ Spark PlugLaser Iridium™ Spark Plug by NGK®. NGK manufactures all types of spark plugs and glow plugs featuring the latest in technology. Manufactured with both laser welded Iridium center electrode tip and a platinum disc welded to the...Laser welded Iridium center electrode tipPlatinum disc welded to backside of ground electrode provides long life$7.71 - $20.76 - Denso®Iridium TT™ Spark PlugIridium TT™ Spark Plug by Denso®. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but before you waste your time and gas running...Designed to replace your factory spark plugsManufactured to stringent quality standards$6.73 - $14.99
- NGK®HX™ Ruthenium Spark PlugHX™ Ruthenium Spark Plug by NGK®. NGK Spark Plugs is introducing the latest technology in high ignitability spark plugs to the automotive aftermarket NGK Ruthenium HX™. The ultimate high ignitability spark plugs from NGK. Modern...DFE & PSPE™ tip designsSuperior oxidation resistance$10.85 - $11.40
- Denso®Iridium Long-Life™ Spark PlugIridium Long-Life™ Spark Plug by Denso®. Denso's patented Iridium alloy is more durable than even Platinum, allowing the center electrode to be shrunk to only 0.7 mm in diameter. This produces a dramatic improvement in ignitability...Manufactured to boost your engine’s performanceEngineered utilizing the finest materials and equipment$6.57 - $16.77
- TRQ®Spark Plug SetSpark Plug Set by TRQ®. This top-notch TRQ spark plug set is made to fix spark plug problems easily. With its help, you will restore your vehicle's quick starting. Plus, installing it is a simple task.Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$30.95 - $103.95Save: up to 6%$29.09 - $98.75
- NGK®Iridium IX™ Spark PlugIridium IX™ Spark Plug by NGK®. NGK manufactures all types of spark plugs and glow plugs featuring the latest in technology. Designed for performance enthusiasts who want extreme ignitability, improved throttle response and superior...Fine Iridium tip ensures high durability and a consistently stable sparkIridium alloy has extremely high melting point, perfect for today’s high-tech, high-performance engines$6.85 - $8.48
- Denso®Iridium Power™ Spark PlugIridium Power™ Spark Plug by Denso®. Iridium Power™ best demonstrates its performance improvement during acceleration. The world's smallest center electrode and specially shaped ground electrode delivers maximum spark energy while...OE quality parts from top original equipment and aftermarket manufacturerThe finest quality at a great price$6.31 - $39.41
- NGK®Laser Platinum™ Spark PlugLaser Platinum™ Spark Plug by NGK®. NGK manufactures all types of spark plugs and glow plugs featuring the latest in technology. Laser Iridium™ spark plugs provide superior ignitability and long service life. Smallest tip diameter...Laser welded Platinum center electrode tipPlatinum disc welded to backside of ground electrode provides long life$5.94 - $16.37
- NGK®G-Power™ Spark PlugG-Power™ Spark Plug by NGK®. These spark plugs by NGK are designed to improve fuel efficiency, lower emissions, and provide quicker starts while remaining durable under high heat. With their 0.6 mm platinum alloy tip laser welded to...Fine platinum tip reduces required voltageExtremely durable under high heat$2.63 - $5.74
- Denso®Platinum TT™ Spark PlugPlatinum TT™ Spark Plug by Denso®. The Platinum TT™ concept originated from Denso's latest original equipment spark plug technology, the Super Ignition Plug (SIP). Until recently, this Titanium Enhanced Twin-Tip design could only be...Designed to replace your factory spark plugsManufactured to stringent quality standards$3.39 - $7.28
- Denso®Original U-Groove Spark PlugOriginal U-Groove Spark Plug by Denso®. Denso's patented U-Groove spark plug enables complete combustion by allowing the spark to fill the gap created by the U shape. The ball of fire created in the U-Groove develops a larger and hotter...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$1.67 - $6.28
- ACDelco®Gold Rapidfire Spark PlugsGold Rapidfire Spark Plugs by ACDelco®. Designed utilizing the latest technology, this product features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$5.99 - $6.07Save: 15%$5.09 - $5.16
- DIY Solutions®Spark Plug SetSpark Plug Set by DIY Solutions®. If you're seeking to get your steel stallion back to its tip-top condition, then this top-notch replacement solution is what you should definitely look out for. When it comes to quality, reliability and...Designed to help restore your vehicle to its former gloryQuick replacement to let you enjoy an awesome ride again$26.47 - $193.75
- Denso®Double Platinum™ Spark PlugDouble Platinum™ Spark Plug by Denso®. Denso Double Platinum plug features platinum on both the center and ground electrodes. This precious metal fights corrosion and erosion, ensuring superior spark performance and maximum spark plug...1.1 mm platinum center electrodeTitanium-enhanced alloy ground electrode$6.36 - $8.98
- Champion®Platinum Power™ Spark PlugPlatinum Power™ Spark Plug by Champion®. As the leaders in precious metal technologies as well as F.I.S.S resistor technology and MLR™ technology, Champion spark plugs provide enhanced ignition and longer life.Platinum center electrode reduces gap growth, lowering the voltage requirements, in turn reducing the chance of misfireThin center electrode and v-trimmed ground electrode enhance ignitability and reduce quenching$1.43 - $12.59
- Denso®Iridium Spark PlugIridium Spark Plug by Denso®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is sure to fit and function the same or even...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$10.61 - $23.07
- Denso®Spark PlugSpark Plug by Denso®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is sure to fit and function the same or even better...Fully Projected Insulator Reduces Carbon FoulingMachine Rolled Threads Prevent Seizing or Cross Threading During Installation and Removal$2.60 - $24.13
- SKP®Spark PlugSpark Plug by SKP®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is sure to fit and function the same or even better than...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$4.09 - $8.11
- Bosch®OE Fine Wire Double Iridium Spark PlugOE Fine Wire Double Iridium Spark Plug by Bosch®. Bosch Double Iridium Spark Plugs are engineered to deliver both high performance and long life, representing advanced OE spark plug technology. The ultra-fine wire design and laser...Double Iridium electrodes – iridium firing pin and iridium ground electrode inlay offer higher performanceOE Replacement: meets or exceeds manufacturer design requirements for modern gasoline engines to provide OE fit, form and function$6.17 - $17.42
- Bosch®Super Plus™ Spark PlugSuper Plus™ Spark Plug by Bosch®. Replace your worn out spark plugs with Bosch spark plugs and experience miles of worry-free driving. OE Specialty Spark Plugs ensure safe and reliable performance, same as your OE plugs, so you can...Designed to meet or exceed OE specificationsMatch the fit, form, and function of the OE design$1.40 - $32.76
- Ishino®Ignition Spark Plug Tube SealIgnition Spark Plug Tube Seal by Ishino®. This first-rate product is designed with utmost care and attention to detail to replicate the OE part as closely as possible. Made from superior materials it provides the highest level of...Crafted from high-grade materialsMade to stringent quality standards$1.61 - $15.17
- Mahle®Spark Plug Tube SealSpark Plug Tube Seal by Mahle®. This first-rate product is designed with utmost care and attention to detail to replicate the OE part as closely as possible. Made from superior materials it provides the highest level of quality your...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$2.03 - $61.94
- Beck Arnley®Ignition SealIgnition Seal by Beck Arnley®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is sure to fit and function the same or even...Made of high temperature resistant oil impervious rubberPrevents crankcase oil from leaking into spark plug tubes$1.65 - $20.55
- Fel-Pro®Spark Plug Tube Seal SetSpark Plug Tube Seal Set by Fel-Pro®. If you are looking for quality sealing solutions, Fel-Pro offers you various replacement products from seals and bolts to O-Rings and dowel pins. Engineered using the latest technologies and global...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$3.64 - $44.73
- OPT®Spark Plug Tube SealSpark Plug Tube Seal by OPT®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is sure to fit and function the same or even...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$2.05 - $5.23
- Stone®Spark Plug Tube SealSpark Plug Tube Seal by Stone®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is sure to fit and function the same or even...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$0.73 - $7.44
- Bosch®Spark PlugSpark Plug by Bosch®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is sure to fit and function the same or even better...100% new, not rebuiltOE design to ensure exact fit, form and function$1.48 - $20.89
- NGK®Laser Iridium™ Spark Plug (95660)Laser Iridium™ Spark Plug (95660) by NGK®. Often specified as original equipment, NGK Laser Iridium spark plugs are the best combination of performance and longevity. Iridium tip is six (6) times harder than platinum providing the...$12.46
- NGK®Laser Iridium™ Spark Plug (7746)Laser Iridium™ Spark Plug (7746) by NGK®. Often specified as original equipment, NGK Laser Iridium spark plugs are the best combination of performance and longevity. Iridium tip is six (6) times harder than platinum providing the...$12.29
- NGK®Laser Iridium™ Spark Plug (6994)Laser Iridium™ Spark Plug (6994) by NGK®. Often specified as original equipment, NGK Laser Iridium spark plugs are the best combination of performance and longevity. Iridium tip is six (6) times harder than platinum providing the...$10.95
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