The Detroit DDE23515145 is a genuine OEM connecting rod bearing set designed for Detroit Diesel Series 60 engines. This specific set features a .254mm (.010 inch) undersize, crucial for engine rebuilds where crankshaft journals have been machined. Manufactured to Detroit's stringent specifications, these bearings ensure precise fitment and reliable performance, contributing to the longevity and efficiency of the engine. It is an essential component for maintaining proper oil clearance and reducing friction in high-performance diesel applications.