These are new wheel cylinders that fit the. rear of 1960-1964 Chevrolet models. 1954-1963 Model 88. 1964-1966 Model 88 - except Jetstar and Police. 1967-1970 Model 88. 1960-1970 Model 98. Many cars are now 40 to 80 years old and may have been modified over the years.
