Oil samples made easy
"I have a 2008 F-450 with a 6. 4 I also have a 2011 F450 with a 6 7. Both of these trucks have recently had their engines replaced. I am running a bypass filter on both trucks. So I am going to start sampling oil and following the science of oil analysis. These oil drain plugs will make it super simple to catch my oil samples before I do the full drain on the engines. Great product and I highly recommend them even if you don't sample your oil."