Tempest has completed the acqui-sition and move of the Unison Industries, LLC brand of aviation spark plugs, formerly known as Autolite, and is now marketing the product under the Tempest name. Tempest moved spark plug man-ufacturing from Rockford, Illinois, to its facility in Gibsonville, North Carolina. The company has received FAA/PMA approval and is shipping new product to distributors.
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