1960-65-409 Chevy Heads (2)pair "small valve & shallow chamber" casting Nos (333# ) & (3758379#) in Penn Yan, New York

xxxx-xxxx Chevy 409 & 348 (2 pairs) of Small Valve Heads Castings(1st) pair of xxxx ''348''heads small valves (250-280 hp) with casting number (xxxx379#) Then,a (2nd)pair ''later''xxxx-65`(348-409)small valve/shallow chamber Heads (xxxx333#) both sets in original Good Condition .Stock Castings''unmodified,as pulled'' (These later 333 castings are a good ''budget build'',cylinder head for 409 Big Block ''overbore & stroke'' Kits,in Big Cube Builds,aimed at Street Torque& Horsepower, with adequate,casting material port wall ''meat'' for some basic,Port Flow work(So these later''333'' # Heads have ability to be Machine shop,''hogging out''& valve seats cut for modifying with big oversize valves for higher flow-bench numbers )yet,with shallow Chambers a good compression ratio which makes a ''Streetable''engine for today`s no lead,89-93 Octane pump gas with Stock Height 409 - 470+cube Pistons