High Performance Transmission Repair

High Performance Transmissions
Installation & Repair

S.E. Portland – Clackamas Oregon OR

The ASE certified experts at River City Transmissions can perform a variety of customized services to satisfy your high-performance transmission needs. We are experts in delivering specialized drivetrain services for all types of custom cars and street rods. Our technicians can install state of the art electronic overdrive transmissions and convert any drivetrain to a fully electronic overdrive for just about any custom car or street rod. During the conversion process, additional electronic modules will need to be installed to complete the project. Contact us for more information or to get your free quote today!

Comprehensive High-Performance Transmissions Services

River City Transmissions has over 25 years of experience diagnosing, building and servicing high performance transmissions for custom cars and street rods in the Portland OR and surrounding areas. We have experience working on everything from Torque Flights, T-350s, T-400s, 700R4s, 4L60E and 4l80E transmissions, C-4 and C-6 Transmissions as well as electronic overdrive transmissions too. We understand how complex custom car and street rod transmissions can be, and we know that rodders only want the best servicing their vehicles. River City Transmissions of Portland OR guarantees your 100% satisfaction for all services including diagnostics, maintenance, rebuilds, repairs and more!

Our Customer Service Guarantee

As your performance transmission shop, we understand how much your custom car or street rod means to you. All of our high performance transmission services come with a 100% customer satisfaction guarantee as well as a limited warranty. You can be rest assured that we will treat your transmission exactly how we would treat our own. The ASE certified experts at River City Transmissions look forward to the opportunity to provide you with superior high performance transmission services. Call us today!