2nd & 3rd Gear Synchronizer Blocking Ring for Select Jeep 1945-1971 CJ-2A, CJ-3A, CJ-3B, CJ-5, CJ-6, 1950-1963 M38, M38-A1, 1956-1964 FC-150, FC-170, 1966-1971 C101 Commando, 1946-1965 Willys Pickup, Sedan Delivery and Station Wagon Models, All w/ T90 Transmission