I Tested the 12 Valve Cummins Tappet Cover: What I Learned About Fit, Seal, and Performance
When I first started digging into the world of the 12 Valve Cummins, I quickly realized that even the smaller components can spark a lot of interest—and the tappet cover is one of those parts. At a glance, it may seem like just another piece of engine hardware, but it plays a meaningful role in…
