Painting my chassis.

[Jeepwm69]

When I did an axle swap on one of my Jeep CJ's, I used Tractor Supply Implement paint in gloss black, and added a hardener to it. It was much less expensive that POR15 or Eastwood, much better than cheap rattle cans, and dried hard as a rock. It's been very durable.

You could brush it on if you wanted to get a gallon and add hardener, or you can get the implement paint in rattle cans as well, but they don't have the hardener in them.