The product is a complete rocker arm assembly for a 2023 100K Cummins B6.7 engine, consisting of parts with OEM numbers 4928699, 3943626, and 3964908. It is designed for commercial trucks and falls under the brand Cummins. The assembly comes with a 60-day warranty, ensuring its quality and performance. This product is essential for maintaining the proper functioning of the engine's valves and is a genuine OEM part, making it a reliable choice for engine repairs and maintenance.