Complete your engine bay restoration with an authentic 1966 Ford Mustang oil filler cap, the perfect blend of form and function. Designed to meet OEM specifications, this cap ensures a secure seal to prevent oil leaks and maintain proper engine ventilation. Whether you're showcasing your Mustang at a car show or just keeping it road-ready, this durable, corrosion-resistant cap adds a polished, period-correct look under the hood. Easy to install and built to last, it’s a small detail that makes a big impact on both performance and appearance.