The right fuel cap does more than finish the look of your Mustang. Whether you are replacing a worn original, correcting a poor fit, or completing a full restoration, the right 1964–73 Ford Mustang fuel cap can help seal the filler neck, reduce fuel odors, and restore a clean, factory-correct appearance. Built for classic Mustang owners who value proper fit and authentic details, this collection helps put the finishing touch on every fill-up.