Performance automatic transmissions, torque converters, valve bodies, and shifters from TCI, built for muscle cars, hot rods, and street machines.
TCI manufactures high-performance automatic transmissions, torque converters, valve bodies, flexplates, transmission coolers, and shifters engineered for muscle cars, hot rods, drag racing, and heavy-duty street performance applications.
TCI offers built versions of popular GM, Ford, and Chrysler automatics including the TH350, TH400, 700R4, 4L60E, C4, C6, and others for street and strip use.
A torque converter transfers engine power to the transmission. Upgrading to a TCI converter with a matched stall speed improves launch, throttle response, and performance for cammed or modified engines.
Yes. TCI’s street and performance transmissions suit Australian-registered classics and muscle cars, and Cruisin Automotive imports them directly from the USA with competitive freight and local support.
Stall speed is the RPM where a torque converter begins transmitting power efficiently. Choosing the right TCI stall speed matches your camshaft, gearing, and intended use for optimal performance.
Yes, TCI produces ratchet and quarter-stick shifters, transmission coolers, dipsticks, deep pans, and rebuild components, giving you a complete package to support a high-performance automatic transmission build.
