Synchronizer Repair Kit for 1945-1971 CJ-2A, CJ-3A, CJ-3B, CJ-5, CJ-6, 1950-1963 M38, M38-A1, 1956-1964 FC-150, FC170, 1966-1971 C101 Commando, All w/ T90 Transmission, Includes 2 Blocking Rings, 3 Keys, and 2 Springs