Gasket SB 18 Degree

The Schoenfeld 18 Degree Gasket SB is a precision exhaust manifold gasket designed for small-block applications that require effective thermal management and reliable sealing during high-temperature engine operation. This gasket is essential for builders and enthusiasts working with performance small-block engines, where maintaining manifold integrity is crucial for horsepower retention and exhaust scavenging efficiency.

The gasket features a robust 18-degree design that accommodates common small-block manifold port angles across Chevrolet, Ford, and Chrysler applications. Schoenfeld's manufacturing process ensures tight tolerances to prevent blow-through and exhaust leakage at the cylinder head-to-manifold interface, even under sustained high-rpm operation and thermal cycling.

This gasket is ideal for engine builders, performance shops, and DIY mechanics who are restoring or upgrading small-block powerplants from various manufacturers. Installation requires standard gasket surface preparation, including cleaning both mating surfaces with carburetor cleaner and light abrasive pads to ensure a proper seal.