The question is, what year is your block?
The rocker arm asm. you need depends on the year of the engine block, not the head.


BC
1960 Chevy C10 driver 261 T5 4.10 dana 44 power loc
1949 GMC 250 project in waiting
1960 C60 pasture art
Retired GM dealer tech. 1980 - 2022