FACTORY 4 BARREL SPREAD BORE CAST IRON INTAKE AND EXHAUST MANIFOLDS (SAME AS GM passenger cars), CYLINDER HEADS, OIL PAN, BALANCER, STARTER, ALTERNATOR, and CHROME VALVE COVERS ARE ON A '72, 307, PICKUP ENGINE. FIT ALL SMALL BLOCKS. THE ENGINE RAN, BUT HAS HIGH MILES, NEEDS REBUILDING.