High-Quality Injector Cups for Powerstroke Engines

When it comes to maintaining the legendary performance and reliability of your Ford Powerstroke engine, even the smallest components play a critical role. Among those, injector cups —also known as injector sleeves—are essential in ensuring proper injector operation and sealing. In this article, we’ll take a deep dive into what injector cups do, why quality matters, and how to choose the best options for your 6.0L or 7.3L Powerstroke. What Are Injector Cups? Injector cups are cylindrical sleeves that sit between the fuel injectors cups and the cylinder head. Their primary purpose is to: Seal coolant from the injector bore Prevent fuel and coolant from mixing Provide a secure seat for the injectors Made typically of brass or steel, these cups are press-fit into the head and must form a perfect seal to maintain performance and prevent leaks. Why Injector Cups Are Crucial for Powerstroke Engines Ford Powerstroke engines —especially the 6.0L and 7.3L variants—are known for...