We are a 5 and 6-speed manual shift overdrive conversion specialist. MDL is proud to be a Tremec transmissions Elite Distributor Tremec's have a proven history of OE high performing quality for Classic cars, Hotrods, trucks and custom applications, as well as modern day muscle, and everything in between. Our goal is to provide the best fitting and most complete solution to our customers, using as many of the parts you already have. We pride ourselves on service before during and after the sale. We stock mostly everything we sell so it is ready to ship. We have been in business for 25 years. Check out our five-star reviews.