Injector Installation Kit, Ford 6.9L - fits 6.9 and 7.3 IDI diesels with 3/16 in. hose, 1983 - 1987 Ford 6.9L & 1988 - 1989 Ford 7.3L IDI Diesel Trucks. Contains 8 injectors caps and copper nozzle washers, 16 o-rings, spring clamps and 6 feet of 3/16 in. rough surface fuel hose