Callies | Shootout GTR Quick Class Sponsor

Callies Performance Products began manufacturing high performance crankshafts in 1989. With many years of engineering and employee experience, Callies has grown to be the industry leader for innovative product design. We take pride in staying ahead of the competition with the latest high tech design and manufacturing advantages. By utilizing the latest in computer aided […]

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ENEOS | GTR Stock Appearing Class Sponsor

Established in 1888 and headquartered in Tokyo, ENEOS is Japan’s largest oil company, with manufacturing and sales facilities throughout the world. With a unique position in its home market, ENEOS has worked with Japan’s automakers and leading race teams for decades, creating advanced lubricants with vehicle engineers to provide optimum fuel economy with maximum power and long-term protection. […]

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