Jones Racing Spark Plug Indexers

Jones Racing spark plug indexers make it easy and quick to index all of your spark plugs! Studies have shown that 1 to 2 percent of your engine's horsepower can be lost due to poor spark direction. These spark plug indexers can help you get that missing performance back by allowing you to obtain the optimal combustion efficiency in each cylinder with consistency throughout. Leave the competition guessing, and order one of these spark plug indexer tools from Jones Racing!

Product features:

* Billet aluminum construction
* 14mm thread
* Helps you line up the plug's electrode so it doesn't shield the spark from the air/fuel charge or obstruct the flame forward into the chamber
* Available in 8- or 9-hole configurations
* 9-hole configurations make it easy to install new plugs with your preferred setup
* Also useful when storing, washing, or changing your engine
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