Page 4 of 4
Rear Drums
| Year | 9" x 2" | 10" x 1¾" | 10" x 2½" |
| 1960 | 2 | ||
| 1961 | 2 | ||
| 1962 | 2 | ||
| 1963 | 2 | ||
| 1964 | 2 | ||
| 1965 | 2 | 931 | |
| 1966 | 2 | 931 | |
| 1967 | 2 | 931 | |
| 1968 | 2 | 931 | |
| 1969 | 2 | 931 | |
| 1970 | 1040 | 1041 | |
| 1971 | 1040 | 1041 | |
| 1972 | 1040 | 1041 | |
| 1973 | 1040 | 1035 | |
| 1974 | 1040 | 1035 | |
| 1975 | 1040 | 1035 | |
| 1976 | 1040 | 1035 |