(661) 940-7400

THE original lightweight automatic transmission

For more than 30 years Pro Trans, the originator of the lightweight automatic transmission, has been building record setting transmissions and components. We build our components in house to have complete quality control and a head start on the development of our innovative products.

Build yourself a winner for your race car or street machine. Whether you need some ET to smash a world record or reliable power transmission in your street machine, look to Pro Trans lightweight automatic transmissions. Don't settle for a knock off, insist on a genuine Pro Trans!

News & Events

Feb 01, 2014 NHRA winternationals Check out our customers in stock superstock and comp eliminator at Pomona!


Our Customers

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January 14, 2014 Pro Trans builds record smashing transmissions and components for race cars and street machines! Check out some of our customers and their success stories....

We have a wide variety of transmission products and components to suit your needs. Call or email us today!

Purchase products to build your trans from the originator of the racing lightweight automatic in our online store. Everything from gaskets, seals and clutches to our full line of aluminum drums, in house designed and assembled valve bodies, gear sets, billet shafts and more. Full product line coming soon to online store

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Chrysler 727 / 904 From $1695 plus valvebody

Our base 727 transmission includes the following parts and features:

Ford C4 / C6$

Our base C4 transmission includes the following parts and features:

GM TH350 $

Our base TH350 transmission includes the following parts and features: