TREMEC’s Updated TKX Overdrive Transmission

The automotive performance industry is all about improvements. It’s about adding performance or to enhance the driving experience. If the engineers are exceptionally talented, the product does both. TREMEC lit a fire under the five-speed market with the original T-5 that was eventually used in multiple Chevrolet and GM applications in the ’80s, but it wasn’t really designed to handle the torque of a healthy small-block Chevy. This pushed the development of the TKO five-speed that was eventually upgraded to withstand 600 lb-ft of torque.

This five-speed has been a staple overdrive trans choice for many years, but with this following also came the demand for improvements. The biggest issues revolved around its ability to both shift at engine speeds beyond 6,000 rpm and changes that would make it easier to retrofit across several different body styles. Clearly TREMEC