1957 283/220 hp, all coded to July of '57 Block- 3731548 never decked but rebuilt once .020 over. F719FC engine= Flint, July 19th, 4bbl and automatic trans heads- 3731539 - 1.72, 1.5 valves crank- 3735236 forged, small journal cam- 3732798 ramshorn exhaust manifolds- 3733975 & 3733976 L & R No cracks but studs need replacing. 4bbl intake steel Chevrolet script valve covers Same block, heads and crank as F.I/ 283 hp engine. Comes with a '56 3 speed, floor shifter, bell housing, & flywheel. Needs rebuild. $700 Pick up in Los Angeles.