This high-quality Fracture Resistant Screw is specifically designed to fit Cummins Engine models KTA19, KTA38, KTA50 and NT855. Made in China, this unit is a durable and reliable addition to any engine, providing long-lasting performance and reliability. The unit comes as a single piece, making it easy to install and use. This Fracture Resistant Screw is perfect for those looking to upgrade their engine's performance without having to worry about the condition of the unit. With its high-quality design and reliable performance, this screw is sure to meet your needs and exceed your expectations. Order yours today and experience the benefits of a top-quality engine upgrade.