This set of 4 studs is perfect for installing the manifold on your Ford 2004/2014 F-150 or 05/10 Mustang 4.6L. The studs are made of high-quality materials and are designed to fit perfectly, ensuring a secure and long-lasting installation. With the W707747-S431 Interchange Part Number and W706194-S415 Manufacturer Part Number, you can be confident that these studs are the right choice for your vehicle. Plus, they come with all the items necessary for installation and no manufacturer warranty. Get your car back on the road with this reliable set of studs!