Autolite’s Platinum plugs deliver the highest performance you can buy in a spark plug. A full platinum power tip assures gap integrity and protects the engine from horsepower robbing gap erosion, while the computer designed insulator burns off deposits for anti-fouling and heat range control. Fine Wire center electrode and trimmed side wire focuses ignition power to enhance combustion initiation.
Autolite standard plugs have always provided consistent performance in any engine. Superior materials are used in the construction of these plugs for no-compromise performance and long life.
Every little bit counts when tuning for that last bit of available power. Using these spark plug indexing washers will allow you to face the open side of the electrode towards the fuel charge instead of it being masked by the grounding strap on the plug. Five each of three different thicknesses are included in 12 or 14mm size.
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