HERE IS A SET OF M&A HEADS FOR SALE FOR USE ON EITHER 14 BOLT BLOCKS OR 8 BOLT BLOCKS EVERYTHING ISIS IN PERFECT SHAPE ON OF THE HEAD GASKETS WAS USED FOR MOCK UP AND SPRAYED WITH COPPER. THEY APPEAR TO HAVE A 4.05 BORE AND .061 THICK. THEY COME WITH VALVE COVERS,ROLLER ROCKERS,GUIDE PLATES AND...