This box contains 5 high-quality Clevite camshaft bearings with part number SH-2125S. These bearings are specifically designed for GM Chevy LS engines with 4.8L, 5.3L, 6.0L, and 6.2L displacements. They are made to ensure efficient performance and long-lasting durability. These bearings are an excellent choice for engine builders and anyone who needs to replace worn-out camshaft bearings. The Clevite brand is known for its superior quality, and these bearings are no exception.