Hi. What are 6X heads worth these days? Not Listed yet. I may be in the wrong category. Sorry if I am wrong. Have complete 400 stick engine from what I was told 74 T/A. The gent. installed Sup.Dut. 455 back in the early 80`s. I saw this at freinds shop and bought.engine (complete) Has bell, flyw. 4 bl intak. dist.(pts.) pan, mounts, etc. 2 clutch assy. if my memory is correct. Thought I may put in my 72 but went with orig. chev sml. blk. cnd. chev. Thanks Bob London 519-473-3407. I was thinking of 4 spd. my 68 Cutlass conv. Anybody think the bellhou. is the same and will flywh. work. Can Get pics when weather permits.(Farm 20mi. away.-weather brutal last 4 days since dec. 4)