Fitment: 2015 - 2021 Subaru STI. Elevate your engine bay with our Billetworkz Zero Series engine bay caps. These aren't your average covers. They're full - replacement caps designed to fit perfectly in your engine bay every time. Precision - crafted using advanced CNC machining from high - grade 6061 aluminum, these caps are built to last. Anodized or powder - coated, they offer both protection from wear and a great look. Key features include CNC machining from 6061 aluminum, a choice of anodized or powder - coated colors, direct replacement, and they're sold as a set. The package includes an oil cap, a wiper fluid cap, a coolant overflow cap, a brake fluid cap, and a power steering fluid cap. Warning: (http://www.p65warnings.ca.gov)

Using these engine bay caps is easy. Just replace your old caps with the ones from this set one by one. Make sure to match each cap to its correct fluid reservoir. For example, put the oil cap on the oil reservoir, the wiper fluid cap on the wiper fluid container, and so on. When it comes to maintenance, these caps are pretty low - maintenance. Since they're anodized or powder - coated, they're resistant to wear and tear. But it's still a good idea to clean them regularly with a mild soap and water solution. Just wipe them down gently to keep them looking great. As for the warning, make sure to check the link (http://www.p65warnings.ca.gov) to understand any potential risks associated with the product.