1969 or 1970 #512 replacement block
 

I have a 3963512 block that is 30 over and sleeved with a front pad of CE078152 with a date code of L-8-9. I also have the 7/16 dimple rods with 30 over open chamber pistons along with a 7115 steel crankshaft, new competition solid camshaft and lifters and a double roller timing chain for $2500. 330-770-2517 and I will seperate the parts out if interested.