This high-quality Patriot Exhaust header gasket with Seal-4-Good technology is perfect for any Chrysler 273-360 LA performance or customization project. It comes with a rectangular port and aluminum construction for superior durability and performance. The gasket is specifically designed for use with Patriot Exhaust products, ensuring a perfect fit and optimal results. Whether you're upgrading your exhaust system or seeking a replacement part, this gasket is a reliable choice. Order now and experience the benefits of Patriot Exhaust's quality and innovation.