Discover the precision and quality of Speedflow with the Steel M10 x 1.0 Thread Bulkhead -3 AN-3 200 Series Hose End, part number 221-03. Ideal for automotive enthusiasts and professionals alike, this component is engineered for durability and optimal performance. With its robust construction and precise threading, this hose end guarantees a secure and leak-free connection. Whether upgrading your engine's cooling system or building a custom setup, this Speedflow hose end is the reliable choice for smooth and efficient fluid transfer.