Another easy way to keep your engine compartment looking show-quality is with our chrome plated Billet Aluminum Oil Cap. Just un-screw the factory oil cap and screw ours on and you're ready to go. Machined from 6061-T6 billet aluminum, our oil caps will fit all 2005-2010 GT models and 2005-2009 V6 Mustang models. Sold each.