[392cobra]

1964-69 260-289 ENG. 28 in. oz. C/B SMALL FLY
1975-78 ENG. MUSTANG II 28"oz C/B
1963-79 289-302-351 ENG. 28 in. oz. C/B LG FLY
1980-95 302 5.0L ENG. 50 in. oz. C/B SMALL FLY
1980-95 302 5.0L ENG. 50 in. oz. C/B LARGE FLY

1964-69 260-289 ENG. 0-BAL SMALL FLY
1963-79 289-302-351 ENG. 0-BAL LARGE FLY



These are from the Mcleod catalog.

Depends on what you are balanced for: 28,50 or zero balanced.
No need for the large,164 teeth,unless you are running some pretty high compression.

Small is 157 teeth.