93-1921 Cyl base gaskets, 4 1/8 inch bore

These S&S cylinder base gaskets are specifically engineered for the massive 4-1/8 inch bore found on S&S 124-cubic inch Twin Cam style engines. Sold as a set of ten, these gaskets are constructed from .018-inch thick reinforced graphite, providing a robust and durable seal that can handle the high-compression environment of a large-displacement performance motor. They follow the stock base bolt pattern for a straightforward installation on 1999 to 2016 S&S T-Series engines. Whether you are a professional builder or a dedicated home mechanic, having a bulk pack of these high-quality gaskets ensures you always have a reliable seal on hand for your high-performance Twin Cam builds.