1994-2003 Ford 7.3L Power Stroke F Series, Excursion, E Series HEUI Injector Seal Kit-Pack of 8 Kits All Alliant Power products are backed with a 13 month unlimited Mileage warranty. This Seal Kit is manufactured in the USA. Alliant Power Products are backed by First Class Technical Support. Alliant Power supplies over 200 high demand parts for over 20 different engine applications. Alliant Power Products are built toOEMspecifications and testing.