Restore smooth, reliable window operation in your 1964½ Ford Mustang with top-quality door and quarter window regulators. Over time, original regulators can wear out, leading to hard-to-operate or stuck windows—but our precision-engineered replacements are built to match factory specifications for a perfect fit and easy installation. Crafted from durable materials for long-lasting performance, these regulators ensure your door and quarter windows roll up and down effortlessly, just like they did from the factory. Whether you're tackling a full restoration or just fixing a frustrating issue, these window regulators deliver dependable functionality and preserve the classic integrity of your Mustang.