Nice set of 67 HP 915 closed chamber heads. (HP stamp, 1.74 exhaust valves) These are just back from the machine shop (magged and completely checked out/no shaving/good decks). ((Bowls cleaned up) OEM valves) They have fresh single springs with damper for .550 or less lift hydraulic cam. These heads were removed from a good running engine before machining. (no issues) 1100.00 OBO