Individuals who catch their breath at the rumble of a 440 Six Pack and the sleek lines of a ’70 Challenger feel a passion when thinking of the intricacies of a finely tuned vehicle. Anyone from Oakland, California, to Atlanta, Georgia, who is looking for the best transmission for a big block will love the Mopar Torqueflite 727 high-performance automatic transmission customized by Gearstar Performance Transmissions. This racing transmission builder offers a complete line of Mopar performance transmissions, as well as Ford, GM, and Allison transmissions hand-built by one of five master technicians. Gearstar Performance Transmissions does not cater to the needs of the average driver but accommodates the demands of the most discerning gearheads from Jacksonville, Florida, to Scottsdale, Arizona, who are building their pride and joy.