Engine oil is used to lubricate, clean, cool, and protect the components of an engine as it runs. You definitely don't want your pistons and crankshafts to be dried out and grinding up against one ...
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 ...
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