Roadrunner Converters was founded in 1979 by John and Elaine Renkema to supply quality torque converters for their transmission shop in Phoenix, Arizona. With the help of their son Jim, Roadrunner has grown from a small local torque converter rebuilder, to a complete manufacturing facility with nationwide marketing and sale capabilities.

Even after John sold to his son Jim and his wife Anne in 1999, his expertise and experience are still evident today. From the beginning John hired Ron Batz as the manager ( and he is still with us today) and together they designed and built most of Roadrunners machinery, including a new method of welding the converters that delivers superior alignment of all components.

The philosophy at Roadrunner has always been that we believe in being better. Since its inception Roadrunner has focused only on quality and that quality has been the reason for our phenomenal growth and customer loyalty.

The result of our pursuit of quality converters has resulted in a product line that includes rebuilt replacement converters, import, high stall street performance, full out race and diesel towing converters that are still produced with quality as the only goal.

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