Best Spark Plug Gap Adjusters

Lisle 50850 Ignition Spark Tester

  • A handy tool to check ignition spark without removing the spark plug..
  • The tool is specially calibrated to measure ignition voltage..
  • Works on both standard and electronic ignition systems. Easy to use..
  • Simply adjust calibration screw to proper gap size..
  • Attach spark plug wire to end of tester..
  • Clamp tester on engine to ground. Crank engine and check for spark..
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Performance Tool W80535 Spark Plug Gap Tool Spark Plug Gap Gauge Measuring Tool Wire Spark Plug Gap Gauge Tool Scaled from 0.020 to 0.100 Inch & 0.5 to 2.5mm

  • EASY TO READ & ACCURATE: accurately Measures and Adjusts Spark Plug Gap.
  • HIGH QUALITY MATERIAL: spark plug gap tool is made of alloy zinc, which is tough and durable with the clear engraving.
  • SAE SIZE: .020 to .100 Inches to read markings to set gaps quickly and easily.
  • METRIC SIZE: 0.5mm to 2.5mm to read markings to set gaps quickly and easily.
  • KEY RING HOLE: small hole on the spark plug gap tool that you can string them on the keychain for easy carrying.
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NGK (6216) CR9EHIX-9 Spark Plug - Pack of 4

  • This 4 pack NGK Iridium IX 6216 Spark Plug replaces Honda 98059-59916-HE, Honda 98059-5991F, DENSO Auto Parts 4142, DENSO Auto Parts 4203, DENSO Auto Parts IUH27, DENSO Auto Parts U27FER-ZU9, DENSO.
  • REDUCE EMISSIONS AND MISFIRES: This tried-and-true Spark Plug boosts performance, and enables better performance so that your engine runs at its best. The durable shell reliably protects the spark plug from damage, ensuring long-lasting sparking capabilities. The center and ground electrodes promote sharper spark focus for fewer misfires.
  • 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 damage-tolerant center and ground electrodes minimize spark gap growth and provide greater ignitability and spark efficiency.
  • 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 tha....
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6 pc NGK Laser Iridium Spark Plugs compatible with Nissan 370Z 3.7L V6 2009-2010 Ignition Wire Secondary

  • This 6 pack NGK Laser Iridium Spark Plug is compatible with Nissan 370Z 2010, 2009 3.7L V6 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 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.
  • 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.
  • 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....
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16 pc NGK V-Power Spark Plugs compatible with Dodge Ram 1500 5.7L V8 2003-2008 Ignition Wire Secondary

  • This 16 pack NGK V-Power Spark Plug is compatible with Dodge Ram 1500 2008, 2007, 2006, 2005, 2004, 2003 5.7L V8 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 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.
  • 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.
  • 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....
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ACDelco 41-993 Professional Iridium Spark Plug (Pack of 4)

  • Iridium offers better engine idle stability and smoother performance.
  • Iridium allows for smaller, more efficient electrode designs for improved cold starting and quicker acceleration.
  • Iridium fine-wire electrode helps improve ignition of the fuel and burns away carbon deposits on the tip of the plug as they form, to help improve fuel economy.
  • One piece suppressor seal blocks radio frequencies that can affect vehicle electronics.
  • Suppressor seal meters spark energy for longer electrode life and seals against combustion leakage. Before installing new spark plugs, use a gap guide to make sure your new spark plugs have the correct gap.
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8 PCS NEW -- NGK 3403 G-Power Platinum Alloy Spark Plug TR55GP

  • This 8 pack NGK G-Power 3403 Spark Plug replaces Autolite AP5243, Autolite AP606, Autolite AP5245, Autolite AP5245DP2, Autolite AP605, Autolite AP605DP2, Autolite AP606DP2, Autolite APP605DP2,.
  • 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.
  • 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.
  • 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 enginee....
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6 pc NGK Iridium IX Spark Plugs compatible with Ford F-150 3.3L 3.5L 3.7L V6 2011-2021 Ignition Wire Secondary

  • This 6 pack NGK Iridium IX Spark Plug is compatible with Ford F-150 2021, 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011 3.3L 3.5L 3.7L V6 and is perfect for a tune up or performance.
  • 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.
  • 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.
  • 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 deli....
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T-Handle Universal Joint Spark Plug Socket Wrench, 16mm 21mm Socket (Red)

  • This spark plug gap tool is made of steel, chrome plated and plastic handle, it has comfortable grip and beautiful appearance..
  • T-Handle Bar allows larger torque force and high pursuance..
  • Flexible head design can be turned around by 360 degree, easy to use and improve efficiency..
  • This 5/8 spark plug socket gives the user a comfortable working angle for hard to reach places..
  • Rubber grommet inside holds spark plug for easy installation or removal..
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