This is an 1958-1980 International Scout engine with the specs listed below.  It is being sold as is for parts only.

BLOCK #217144R4
HEADS # V304, 304 CU IN.
NAVISTAR 5.0L V8 GAS
MODEL 304A
LONG BLOCK
MISCELLANEOUS PARTS, PUSH RODS, VALVES, SPRINGS, BOLTS, POWER STEERING PUMP

It is missing one rocker shaft assembly.