Doctor Speed’s Racing Transmissions sound familiar? Those who know about the Doctor are winning races. Doctor Speed builds high performance automatic transmissions that shift when they are supposed to and how they are supposed to.

Doctor Speed’s Racing Transmissions has been building Powerglides, Turbo 400’s, street and strip Turbo 350’s for over 20 years, and only racing transmissions.

You can be assured of high performance and high quality in every transmission that we build. And know this, “lethal performance is now available over the counter from Doctor Speed’s Racing Transmissions.”

Don’t hesitate; contact us today at 443-562-4508 or by e-mail at jerry@jharrisracing.com.