Insights on what KDP is, why it occurs, and how to fix 5.9L 12-valve Cummins engines so it doesn’t happen … ever. Cummins diesel engines. While it's safe to say a majority of Clessie's loyalists ...
Anyone that’s popped a clutch cover off an engine or removed camshafts to swap valve shims is familiar with the steel dowel pins manufacturers use to keep critical components and gaskets aligned.