Autolite Platinum AP5224 Spark Plugs - 4 Pack | High Performance Iridium Spark Plugs for Cars, Trucks & SUVs | Improves Fuel Efficiency & Engine Performance | Perfect for Daily Commute & Road Trips

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cursor: pointer; display:none;} if(P) { P.when("a-expander", "ready").execute(function (expander) { expander.initializeExpanders(); }); } About us The Autolite story began in 1911 when two small companies started producing buggy lamps, becoming a thriving automotive parts manufacturer by the 1930s. But its history as a spark plug manufacturer began in 1935 when Royce G. Martin, President of the Electric Autolite Company, equipped and staffed a lab to develop the first Autolite spark plug. Leading the project was Robert Twells, a ceramic engineer, who eagerly researched current patents and ceramic insulator technology . With a handful of new draftsman and staff members, it only took a few months before the Electric Autolite Company had a spark plug available for distribution.

MAXIMUM PERFORMANCE: Every Platinum spark plug is necked-down center electrode fires quicker and cleaner, with less voltage for easier starts and quicker acceleration.

IMPROVED DURABILITY: Our spark plugs are platinum-to-platinum firing for superior durability and super conductive Yttrium enhanced ground electrode provides superior heat transfer

CONSTRUCTION: These spark plugs are platinum enhanced high nickel alloy side electrode maintains precision gap and assures virtually no gap erosion for longer plug life

FUEL EFFICIENCY: The Autolite Platinum automotive replacement spark plug works to optimize engine performance for a longer life and improved fuel economy.

AUTOLITE ADVANTAGE: Autolite has been producing spark plugs since 1936 making it one of the most trusted and reliable brands for your OE replacement spark plugs needs