Automatic Transmission

Transmission repair is a major, time consuming and most often expensive automotive repair. That’s why it’s so important to keep your transmission properly maintained.

At BTA we specialise in rebuilding standard and performance automatic gearbox transmissions to handle any power your car might be putting out. We have standard to full race packages for all makes and models. We specialise in all performance automatic transmissions.

Ford and Holden


BTA Motorsports offers numerous transmission rebuild and custom build options for the popular Ford Falcon and Holden Commodore models.

All BTA Motorsport Ford and Holden transmissions are guaranteed to surpass their OEM counterparts in terms of longetivity and performance.

For details of our Ford auto transmissions CLICK HERE
For details of our Holden auto transmissions CLICK HERE

European Performance


We have many standard and performance transmissions options for classic and newer Mercedes Vehicles. BTA Motorsports can provide a standard service, troubleshoot, rebuild and/or toughen up your Mercedes automatic gearbox.

 Nissan R35 GTR


Nissan’s flagship is a a very complex machine with one of the most intricate components being its automatic transmission.

At BTA Motorsports we pride ourselves in being able to not just service but also rebuild and custom build transmissions for the R35 GTR. Whether it’s a daily driver, tough street car or a race car, with a BTA transmission your car will perform like no other.

Race Transmissions and Upgrades


When your factory gearbox can’t handle the power your engine is making it’s time to look at a BTA-spec race spec or upgraded transmission. From modified valve bodies, custom shift kits, heavy duty clutches, sprags and input shafts we can custom build a high performance box to suit your requirements.