To celebrate HOT ROD's 75th anniversary, we teamed up with CASTROL GTX to bring you some of the stories that exemplify the core of what HOT ROD is and reflect the brand's influence on America's car ...
We may receive a commission on purchases made from links. The engine bay under the hood is one of the dirtiest parts of a daily-driven car. But it's also one of the most neglected places to clean.