HP Head Liquidation.......................$150 pair

Plymouth 65 said
Looking for 67/68 273 closed chamber heads, not sure of the casting numbers.

Those would be the '66-7 heads if you're looking for the closed chamber with the later intake bolts. 920 is the casting number. the '68-up heads are open chamber and are 675 castings. The 64-5 heads are 315 castings.