The product is a set of Dura-Bond Bearings P4 Engine Camshaft Bearings, which includes 5 bearings in the pack. These bearings are designed to be used in engines and are specifically made for the camshaft assembly. The manufacturer part number for this product is P4, and it is manufactured by Dura-Bond Bearings. These bearings are essential components in an engine's camshaft assembly, providing support and minimizing friction for smooth operation.