93-1050-S Base gasket, 4 inch bore

When you are building a high-performance S&S Super Sidewinder engine, you cannot cut corners on the sealing surfaces. This S&S cylinder base gasket is designed specifically for 4-inch bore applications, fitting 1984 to 1999 Evolution and 1999 to 2016 Twin Cam style S&S engines. It is manufactured from .018-inch Micropore fiber-reinforced graphite, providing a superior seal that handles the heat and pressure of a large-displacement motor better than standard materials. The gasket comes complete with the necessary dowel o-ring to ensure a leak-free assembly. Whether you are doing a top-end refresh or a full custom build, this is the professional choice for maintaining engine integrity and preventing messy oil weeps at the cylinder base.