Complete injector seal kit includes all necessary components to properly reseal four injectors on one bank of the Duramax LB7 engine. Product Features:Premium OE quality materialsIncludes 4 injector body o-ringsIncludes 4 injector fuel fitting o-ringsIncludes 4 copper combustion sealsIncludes 4 fuel return rail banjo bolt sealsIncludes 1 return fitting banjo bolt seal
