From what began over 25 years ago, RPM Transmissions continues to be the leader in performance-based transmissions. Rodney Massengale, owner, started the business in a Chrysler town where he gained the reputation for building the strongest and baddest transmissions around. Initially dealing with frequent 200-4Rs found in Buick Grand Nationals, RPM Transmissions has evolved into becoming the experts in GM and Tremec drivelines like the 4l60e, 4l80e, T56, Powerglide, TH400, and more!…Read More
