Mr.Gasket Oil Dipstick (Chevy Big Block V8) is made from steel or billet aluminum and is black polished or chrome finished. These oil dipstick important components that help you read the oil levels in your engine which makes them very important. Apart from their function, the chrome finish also plays an important role in enhancing the looks of the under hood of the vehicle. Mr.Gasket offers an OE-style kit that's built to fit your specific engine application.