Learn how a shift kit upgrade can improve transmission performance and help prevent common failures before they become costly ...

For the vast majority of consumers, a smooth-shifting automatic transmission is the gold standard. Detroit caters to the least common dominator, except in the relatively rare high-perf models. But ...

Continuing the install as the shift kit comes together, improving shifting response and helping strengthen transmission ...

We've all heard of adding a "shift reprogramming kit" to our ride, but what exactly does it do inside your transmission? Basically, the main purpose is to "reprogram" the flow of fluid through the ...