Restore structural integrity and preserve factory accuracy with a high-quality 1966 Ford Mustang firewall, a critical component for both safety and performance in your classic pony car. Precisely stamped to match original specifications, this replacement firewall forms the foundation between your engine bay and cabin, ensuring proper fitment for pedals, wiring, heating systems, and more. Made from heavy-gauge steel and coated for corrosion resistance, it provides essential support and protection from engine heat, noise, and fumes. Whether you're tackling rust repair or a full restoration, this firewall helps maintain the originality, durability, and value of your 1966 Mustang.