China best spark plugs for performance manufacturers and shorty spark plugs factory

The Main Spark Plug Families Modern engines generally run on five spark plug families: nickel-copper, single platinum, double platinum, single iridium, and double iridium. If you need a direct conclu...

A spark plug wear chart tells you exactly one thing that matters most to an engine's health: how much of the electrode has eroded away and whether the gap has widened past the point where combustion ...

Spark Plug Condition: The Direct Answer First A healthy spark plug condition shows a light tan or grayish-brown deposit on the insulator tip, a clean electrode with no excessive erosion, and a gap th...

Indexing spark plugs means rotating the plug in the cylinder head so that the open side of the ground electrode faces the incoming air-fuel mixture or the center of the combustion chamber, rather tha...