Exhaust Gasket - SBC w/ AFR Cylinder Heads

The Exhaust Gasket – SBC w/ AFR Cylinder Heads (Model 2081) from REMFLEX EXHAUST GASKETS is a precision-engineered manifold gasket designed for small-block Chevy engines paired with AFR 23-degree cylinder heads. Built for serious engine builders and performance enthusiasts, this gasket seals the critical interface between your exhaust headers and cylinder head, preventing exhaust leaks that rob horsepower and introduce vacuum issues. Whether you're rebuilding a street engine or tuning a track-focused platform, a quality exhaust gasket is non-negotiable for reliable combustion sealing and consistent air-fuel ratio readings.

Engineered from premium graphite material, the REMFLEX 2081 gasket features a 1.465 x 1.570-inch oval port profile that matches the exact combustion chamber and exhaust port geometry of AFR 23-degree heads on small-block Chevy platforms. Graphite construction delivers superior high-temperature resilience and thermal cycling durability compared to conventional composite gaskets, maintaining a reliable seal through repeated heat expansion and contraction cycles. The gasket set includes a pair, enabling complete port-to-port coverage across both cylinder banks and ensuring symmetrical exhaust flow characteristics essential for balanced engine performance.

Mechanics and engine builders working with AFR 23-degree cylinder head packages will find this gasket indispensable during initial assembly or when refreshing headers on existing builds. The compact dimensions and lightweight construction (0.35 lbs) make installation straightforward, fitting seamlessly into tight engine bay configurations common to SBC applications. Proper gasket selection prevents costly issues like exhaust gas bypass, oxygen sensor fouling, and manifold warping—all factors that degrade tuning stability and drivability. For anyone serious about maintaining a sealed, efficient SBC exhaust system, the REMFLEX 2081 is the proven choice for AFR head compatibility.