This rocker lever cover fit is designed for Cummins engines K19, K38, K50, QSK NT855, N14, and K60. It is manufactured in China and is a crucial component for the proper functioning of the engine. The cover fit ensures that the engine is free from any debris or contaminants, promoting efficient performance. In addition, this product is ideal for those in the heavy equipment parts and accessories industry, as well as those in the business and industrial sector. With its durable construction and high-quality materials, it is sure to meet all your rocker lever cover fit needs.