Autolite Spark Plugs - There is a debate whether or not to use anti-seize when installing spark plugs. The official position of Autolite on this question is to consult the service manual
DENSO | PRODUCT INFORMATION
How to Gap a Spark Plug : 3 Steps - Instructables
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Why Are Spark Plugs So Important to Your Engine?
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Answers to Frequently Asked Questions About Spark Plugs
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Spark plugs are used to ignition the engine, control by computer unit Spark plugs are important for engines that use gasoline. Illustration info graph Stock Vector Image & Art - Alamy