This Sinister billet blue cap kit is a perfect fit for 2003 - 2007 Ford F - Series with 6.0L Powerstroke engines. Crafted from precision CNC - machined billet aluminum, it offers a far better alternative to the factory plastic caps. You'll never have to worry about cracked oil or fuel filter caps again! The kit includes a billet aluminum oil filler cap, a fuel filter cap, and an oil filter cap tapped for 1/8' NPT. It's stronger and more reliable than OEM products, making it a must - have upgrade for your vehicle.

Using this kit is easy. First, make sure your engine is cool. Then, remove the old factory plastic caps from your oil and fuel filters. Simply replace them with the billet aluminum caps included in the kit. When installing the oil filter cap with the 1/8' NPT tap, be careful not to overtighten it. As for maintenance, periodically check the caps for any signs of wear or damage. Wipe them clean with a soft cloth to keep them in good condition. If you notice any issues, it's recommended to replace the cap right away to ensure the proper functioning of your vehicle's filtration system.