Best Car Header Gaskets of 2025

The Percy 66032 Seal-4-Good Flange Gasket is a high-quality car header gasket perfect for those who frequently remove headers. It is made with special "dead soft" aluminum that conforms to flanges, ensuring an excellent seal. This gasket is also designed to be port matched for maximum efficiency.

The Percy 66002 Car Header Gasket is a high-quality collector gasket that can be port matched to fit your needs. Made of special "dead soft" aluminum, it conforms to the flange to create an excellent seal. It is perfect for use with headers that need to be removed frequently.

This car header gasket is designed to prevent exhaust leakage between the header and collector flanges. Its bolt diameter is 3 inch, bolt circle is 3-7/8 and bolt hole is 3/8. The triangle gasket with 3 bolt hole gasket conforms to and seals minor surface irregularities.

The Hedman Header Gasket is designed with a 3-inch, 3-bolt configuration, ensuring a perfect fit for your car's header flanges. Made from a special material developed by Hedman, this gasket provides excellent durability and reliability. Each package contains two gaskets, allowing you to have a spare on hand. The precise design guarantees that you achieve a proper seal, which is essential for optimal engine performance. By using this gasket, you can prevent leaks and maintain the integrity of your exhaust system.

The Allstar Header Gasket is designed with a staggered bolt pattern, ensuring a perfect fit for your specific vehicle. This feature helps in creating a reliable seal, preventing leaks and maintaining optimal engine performance. Made in the United States, it reflects quality craftsmanship. The gasket comes in a compact package, measuring 6.5 inches long, 1 inch high, and 3.7 inches wide, making it easy to store or transport. As a vehicle-specific fit type, it guarantees compatibility with your car, simplifying installation and enhancing your overall experience.

The Percy Gasket is designed specifically for your vehicle, ensuring a perfect fit. With dimensions of 1.27 cm in height, 53.34 cm in length, and 9.906 cm in width, it is compact and easy to handle. Weighing only 0.4 pounds, it is lightweight, making installation a breeze. The part number 66011 helps you quickly identify the right gasket for your needs, providing peace of mind and convenience in your purchase. Choosing the right gasket is crucial for maintaining your vehicle’s performance, and this one delivers reliability and efficiency.

The Allstar Performance ALL87262 D-Port Header Gasket, 1-3/4" is a steel core laminate gasket designed for small block Chevy engines with a 750 in D port. This gasket is perfect for car enthusiasts who are looking for a reliable and durable gasket to ensure their header fits snugly and securely to their engine.

This compressed gasket material sheet by Mr. Gasket is designed for areas that require extreme heat and pressure sealing. Made of fiber, the sheet measures 1/16 inch thickness, 18 inches long and 12 inches wide. It is sold individually and belongs to the Head Gasket Sets category.

This set of 2 copper collector gaskets from Mr. Gasket is designed to prevent exhaust leakage between header and collector flanges. Made from solid copper, they conform to and seals minor surface irregularities, making them reusable. These gaskets are perfect for maintaining a proper seal and ensuring proper exhaust flow in your vehicle.

The Percy Gasket 66014 is designed to enhance your vehicle's performance with its durable rectangular/square shape, measuring 1.625 inches by 1.25 inches. As an authorized dealer product, it comes with a 100% satisfaction guarantee, ensuring you receive a quality item. This gasket is ideal for car headers, providing a reliable seal that helps prevent leaks and maintain optimal engine function. With a warranty included, you can enjoy peace of mind knowing your purchase is protected.