MLS Exhaust Gasket - SBC 1.625 Round Port

The MLS Exhaust Gasket - SBC 1.625 Round Port is an essential sealing component specifically designed for small-block Chevrolet engines that utilize header or manifold exhaust systems. This gasket is crucial for preventing combustion gases and coolant from leaking into the engine bay, ensuring optimal performance and reliability for various applications, including street engines, bracket racers, and classic muscle car restorations.

Engineered by Cometic Gaskets, this multi-layer steel (MLS) gasket features multiple layers of steel bonded together, offering superior heat resistance and durability compared to traditional composite gaskets. The 1.625-inch round port configuration is designed to match OEM and aftermarket SBC head castings, providing a precise fit that minimizes blowby and enhances sealing integrity under high exhaust temperatures and pressure cycling.

This gasket is ideal for any SBC engine swap, head replacement, or exhaust system upgrade, and it works seamlessly with both cast-iron manifolds and modern tube headers. Installation is straightforward, requiring careful torque sequencing to the manufacturer's specifications. Mechanics and enthusiasts building small-block platforms from 283 to 400 cubic inches will find this gasket indispensable for their performance needs.