DIRECT FIT FOR 7.3L POWER STROKE – Designed for 1994-2003 Ford 7.3L Power Stroke diesel engines as a direct replacement for factory injector cup sleeves. PREMIUM BRASS CONSTRUCTION – Precision-machined brass provides excellent heat transfer, durability, and reliable long-term sealing performance. HELPS PREVENT LEAKS – Replaces worn injector cups to help prevent fuel-to-coolant and coolant-to-cylinder contamination, restoring proper engine operation. COMPLETE SET OF 8 – Includes eight brass injector cup sleeves to service all cylinders during injector replacement or cylinder head rebuilding. IDEAL FOR ENGINE REBUILDS – Perfect for injector service, cylinder head repairs, and complete engine overhauls. Professional installation with the proper tools and retaining compound is recommended.