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Great products.
Goofy names.

“Up Close” plug reading loupe
GMK 0109


The "Up Close" glow plug reading loupe from GMK Supply has 10x magnification and a generous 18mm diameter, allowing you to quickly and easily 'read' the condition of your glow plug. Once you have used this tool, you will never try to read a glow plug by eye alone again! Also included is a glow plug reading guide, written by the late engine guru Ron Paris, to explain what you should look for when you read your glow plug’s condition.

The glow plug is the key to telling you about how your engine is tuned, once you know how to read it correctly. A must have tool for the serious racer!