Top 20 Best Selling Spark Plugs Spark Plugs & Wires Replacement Parts (2019)




For over 100 years Champion has been developing, pioneering, and manufacturing spark plugs. Introduced in 1982, the Champion Copper Plus spark plug provides dependable performance and longer life on a daily basis to its owners. Champions’ cooper core cent ... more info

For over 100 years Champion has been developing, pioneering, and manufacturing spark plugs. Introduced in 1982, the Champion Copper Plus spark plug provides dependable performance and longer life on a daily basis to its owners. Champions’ cooper core cent ... more info


Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling. The 0.6mm laser welded fine iridium tip ensures high durability and a consistently stable spark and the tap ... more info






Laser Iridium Spark Plugs provide superior ignitability and long service life. Smallest tip diameter available iridium/platinum surfaces ensure slow wear rate providing stable idle, superior anti fouling, improved fuel efficiency and lower emissions. Lase ... more info



Laser Iridium spark plugs provide superior ignitability and long service life. Smallest tip diameter available Iridium / Platinum surfaces ensure slow wear rate providing stable idle, superior anti fouling, improved fuel efficiency and lower emissions. La ... more info

Features and BenefitsDual platinum tip for improved resistance to spark erosion and corrosive combustion chamber environment. A platinum center electrode and a platinum pad lower the ignition demand voltage. One-piece integral suppressor seal helps reduce ... more info







Laser Iridium spark plugs provide superior ignitability and long service life. Smallest tip diameter available iridium/platinum surfaces ensure slow wear rate providing stable idle, superior anti fouling, improved fuel efficiency and lower emissions. Lase ... more info

Denso Iridium Spark Plug Iridium plugs have an extremely long life as Iridium is 6x harder and 8x stronger than platinum. Because of the strength and hardness of iridium, there is virtually no electrode wear. This combined with a platinum ground electrode ... more info




Gauges and Gaps all Types of Spark Plugs from .020 to .100 (.50mm to 2.53mm). Tapered edge for gauging spark plugs. Specially designed hole with flange adjusts side wire of plug without pressuring center electrode. ... more info

Features and BenefitsStep up to the latest spark plug technology with ACDelco's Professional Iridium Spark Plugs. ACDelco Iridium Plugs are the ideal replacement for today's top-performing vehicles. Iridium is one of the hardest metals used in spark plug ... more info


Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling. The 0.6mm laser welded fine iridium tip ensures high durability and a consistently stable spark and the tap ... more info

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