Application: For C10, C12, C15, C16, C18 and 3406E engines.The puller bridge is compatible with all three engine types. Specification: Material: 45# steel Package included: 1 x 9U-6877 Thrust Bearing 1 x 9U-7258 Driver Cap 1 x 221-9778 Puller Stud 1 x 4K-0367 Nut – Full 1 x 5P-8247 Hard Washer 1 x 128-7889 Puller Bridge This injector sleeve service kit is designed for fuel injector sleeve removal and installation on C10, C12, C15, C16, C18 and 3406E engines.It includes six components required for injector sleeve maintenance.The set is compatible with the 9U-6891 Injector Sleeve Cup Remover & Installer application.The puller bridge supports multiple engine models within the C10–C18 and 3406E series.