American Powertrain’s Got ProFit Magnum 6-speed Kits for Mopar A-Bodies

6776 A-Body 6-Speed Kit

Got a old school Dart, Swinger, Duster or Barracuda in desperate need of two gears of overdrive? Of course you do, and American Powertrain is hitting the market hard with its new Magnum 6-speed Pro-Fit kits for Mopar A-bodies. These manual gearbox conversion kits not only fit a state-of-the-art Tremec Magnum 6-speed beneath the floorboards of your A-body, but do so with a shifter location that will work with your factory center console!

And being an American Powertrain Pro-Fit kit, all of the necessary goods come with it, including an AP Revolution offset shifter, bolt-in cross member, AP’s exclusive Ballistix ISO-X transmission mount, speedometer set-up, wiring kit, custom pilot bearing, seamless DOM driveshaft, and a metric ton else. For all of the info, make sure to check out American Powertrain’s website and the whole original press release HERE:

ProFit Magnum 6-speed Kit for Mopar A-body
American Powertrain adds the new ProFit 6-Speed kit for 1967-76 Mopar A-bodies to their wide selection of bolt-in 5 and 6-speed systems for classic muscle and sports cars.

The ProFit A-body 6-speed kit features the 700ft-lb rated TREMEC Magnum 6-speed with a shift position that is compatible with the original A-body console or floor opening along with all of the correct installation parts you have come to expect from American Powertrain.

Each kit comes with the new Magnum 6-speed, AP Revolution™ offset shifter, bolt-in cross member, AP’s exclusive Ballistix™ ISO-X™ transmission mount, speedometer set-up, wiring kit, custom pilot bearing, seamless DOM driveshaft, polished stainless shift handle with a shift knob and their complete HYDRAMAX™ hydraulic clutch system. An engine specific bell housing is added per the car’s specs and is priced separately.

These systems are compatible with existing pedals and most existing clutch and flywheel combinations in your A-body, however these components are available from American Powertrain if you need them.

The ProFit 6-speed kit for Mopar A-body is available now and is covered by American Powertrain’s 2-year warranty.

American Powertrain, a TREMEC Elite Distributor located in Cookeville, TN, manufacturers and sells ProFit modern overdrive transmission systems, Science Friction clutches and flywheels, Hydramax hydraulic clutch systems, X-Factor Cross Members and thousands of powertrain accessories for muscle, sports, street rod and race cars. Visit them on the web at or call 931.646.4836.

Share this post

Kevin Shaw

Editor-in-Chief – Kevin Shaw is a decade-long powersports and automotive journalist whose love for things that go too fast has led him to launching Mopar Connection Magazine. Almost always found with stained hands and dirt under his fingernails, Kevin has an eye for the technical while keeping a eye out for beautiful photography and a great story. He's also the co-author of "The Chrysler B-Body Restoration Guide."

Your Cart is empty!

It looks like you haven't added any items to your cart yet.

Browse Products
Powered Voltage Emoji by Caddy