LOS ANGELES SLEEVE CO. was founded in 1945 by family patriarch Nicholas W. Metchkoff. A family owned business for a lasting four generations, L.A. SLEEVE originated in a small Los Angeles factory producing cylinder sleeves for the automotive and tractor industries. In 1950, Nicholas’ son, Gary Metchkoff entered into the business as L.A. SLEEVE expanded into the world of automotive racing, and the heavy duty truck industry.
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https://www.lasleeve.com/