Mad Dog Transmissions

Mad Dog Transmissions has been in business since 1986. “Mad Dog” Lou is a second generation transmission builder who got his start building in his family's shop. We specialize in GM Transmissions but can rebuild any American make or model. Not only do we ship throughout the world, but we have a fully functioning shop in Alpharetta, GA where we are able to not only build you a bullet proof transmission we can also remove and replace them as well. Our specialties are the TH350, TH400, 4L60, 700R4, 4L60E, 4L65E, 4L70E, 4L80E, 6L80E, 6L90E, 8L90. We also do trans-brakes. We do everything from your daily driver to high performance racing transmissions. We use only the highest quality parts and materials to build our transmi...